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Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™️ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Principal Software Development Engineer to join our team. This is a hybrid role based in Bangalore,India reporting to the Director, Software Engineering in the Engineering department. You will join the team that built the world’s largest cloud security platform from the ground up, enabling organizations worldwide to harness speed and agility with a cloud-first strategy. With more than 100 patents and 15 million users across 185 countries, you will bring your vision to a team of experts dedicated to enhancing our multitenant architecture and global footprint. What you’ll do (Role Expectations) Designing, developing, and optimizing high-performance network system architecture and security features to support mission-critical applications Partnering with Engineering Architects, Product Managers, Solution Architects, and customers to understand complex use cases and review PRDs Authoring design and functional specifications while driving unit testing and automation to ensure high product quality Collaborating across cross-functional teams to resolve system-level issues, optimize data path performance, and drive feature innovation Applying advanced software design principles and troubleshooting expertise to coach junior team members and maintain compliance with federal security certifications Who You Are (Success Profile) You thrive in ambiguity, easily building the path as you walk it and transforming dynamic challenges into meaningful, scalable solutions. You act like an owner with a strong bias for action, operating with integrity while moving seamlessly between high-level strategy and hands-on execution. You are a problem-solver who is energized by finding solutions to complex technical challenges that drive maximum impact. You are a high-trust collaborator who is ambitious for the team, fostering continuous growth through open, candid, and respectful feedback. You are a learner with a growth mindset, actively seeking feedback and exploring new technologies to continuously elevate yourself and your partners. What We’re Looking for (Minimum Qualifications) Demonstrated curiosity and active exploration of AI tools, with a proven history of integrating new technologies to enhance daily workflows and augment problem-solving Bachelor's or Master's degree in Computer Science or a related field with 10+ years of experience in system engineering for high-performance networking Expertise in Linux kernel-based networking (L2/L3), stateful firewalls, NAT, network drivers, routing protocols (BGP, OSPF, PIM), and protocols like VLANs, DHCP, DNS, SSL, DTLS, QUIC, IPsec, GRE, and WireGuard Proficiency in Go and Python programming languages with strong problem-solving skills for debugging complex data path issues Strong communication and collaboration skills to design scalable systems effectively in a high-accountability environment What Will Make You Stand Out (Preferred Qualifications) Experience integrating AI/ML frameworks or intelligent data path analysis models to optimize kernel-level networking performance and automate predictive threat detection Experience with WireGuard, tunneling protocols (GRE, L2VPN), HA protocols (VRRP), alongside certifications like FIPS or FedRAMP and prior experience with TLS, DTLS, and QUIC Familiarity with cloud computing platforms (AWS or Azure), containerization technologies (Docker, Kubernetes), and advanced virtualization or security solutions #LI-Hybrid #LI-AN4 At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure. Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including: Various health plans Time off plans for vacation and sick time Parental leave options Retirement options Education reimbursement In-office perks, and more! Learn more about Zscaler's hybrid working model and benefits here . By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™️ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Senior Staff Software Development Engineer to join our team. This is a San Jose, CA role, reporting to the Director, Software Development Engineering in the Zero Trust Exchange department. We are hiring a Senior Staff Software Development Engineer to drive the evolution of our Client Connector Agent (CCA), a critical Windows client that provides secure connectivity, tunneling, and session management across enterprise and VDI environments. In this role, you will own core service-layer components including RPC, user session handling, and data pipelines to ensure CCA remains performant, scalable, resilient, and maintainable. What you’ll do (Role Expectations) Design and implement features across the CCA service, user-mode UI, and supporting subsystems including the RPC server, session handler, data handler, and tunnel telemetry Diagnose and fix complex production issues such as service crashes, race conditions, lifetime bugs, and cross-process synchronization problems Improve reliability of long-running Windows service code including cleanup/shutdown paths and inter-process communication Work on VDI-specific flows including ZCC VDI SMB tunnel traffic accounting and session lifecycle management Review peers' code, raise the quality bar, and mentor other engineers on Windows systems programming Who You Are (Success Profile) You thrive in ambiguity and see dynamic, complex environments as an opportunity to build meaningful solutions. You act like an owner, driving initiatives forward with passion, integrity, and a strong bias for action. You are a high-trust collaborator who embraces a challenge culture with clear, respectful, and constructive feedback. You are customer-obsessed, grounding engineering decisions in deep empathy to solve real-world problems. You champion simplicity by distilling complex technical concepts into clear, actionable plans. What We’re Looking for (Minimum Qualifications) Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain 8+ years of production software engineering experience with strong C++ (C++14/17) expertise Solid grasp of Windows internals including services, user sessions, security tokens, IPC, and process/thread lifetime Experience debugging multithreaded C++ including races, deadlocks, iterator invalidation, and use-after-free Proficiency with diagnostic tools like WinDbg, ETW, Process Monitor, and crash dump analysis Track record of shipping and maintaining an enterprise desktop or endpoint product What Will Make You Stand Out (Preferred Qualifications) Deep background in networking, VPN, ZTNA, or secure tunneling architectures Experience with RPC (MS-RPC or custom), named pipes, or COM Familiarity with VDI platforms (Citrix, VMware Horizon, AVD), installer/updater flows, or kernel-mode components #LI-DY1 #LI-SanJose Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training. The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits. Base Pay Range $180,000 — $225,000 USD At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure. Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including: Various health plans Time off plans for vacation and sick time Parental leave options Retirement options Education reimbursement In-office perks, and more! Learn more about Zscaler's hybrid working model and benefits here . By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™️ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Senior Staff Software Engineer – Test Automation Infrastructure (ZIA Core) to join our team. This is a hybrid (3 days per week in San Jose, CA office) role, reporting to the Sr Manager, Software Engineering, QA in the ZIA Engineering team. In this role you will own the architecture, development, and maintenance of a high-scale system test automation infrastructure for ZIA Core Datapath, a cloud security platform processing 400B+ transactions daily. You will build repeatable automation suites for L4-L7 technologies, validate cloud firewall and tunneling stacks, diagnose customer issues, and mentor engineers while driving continuous regression optimization. What you’ll do (Role Expectations) Collaborate with cross-functional teams during design, development, and maintenance of cloud-based software solutions Architect, design, develop, and maintain a scalable system test automation infrastructure for a cloud product processing 400B+ transactions per day Build repeatable automation suites to validate L4–L7 technologies, including cloud firewall, IPsec/GRE tunneling, load balancers, IPS/IDS, and routing/switching Act as an owner and advocate for testing at scale, pushing the limits of the software under test through proficient coding methodologies and strong debugging/troubleshooting Mentor and guide junior engineers, take full ownership of features, and continuously optimize the regression cycle Who You Are (Success Profile) You are a pragmatic builder obsessed with creating, iterating, and shipping, balancing technical excellence with the need to deliver value to users quickly. You act like an owner with a deep passion for the mission, operating with integrity and seamlessly navigating between high-level strategy and hands-on execution. You are driven by innovation and technical curiosity, continuously energized by solving complex challenges and finding scalable, secure solutions. You operate with urgency and a bias for action, understanding that speed and quality go hand in hand to deliver high-impact results. You are a high-trust collaborator who thrives on open feedback and clarity, driving collective success and building strong team alignment. What We’re Looking for (Minimum Qualifications) Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain 12+ years of overall experience with strong programming skills in building test automation frameworks in Python Solid understanding of the TCP/IP protocol stack, HTTP(S), TLS, PKI, DNS, DHCP, VPN, HA, routing and switching, and tunneling methods such as IPsec/GRE Strong background in L3, L4, and L7 filtering policies, with hands-on exposure to load balancers, IPS/IDS, and routers Proven experience in manual and automated functional, integration, performance, and scale testing for cloud security/SaaS products, including test plan and test case creation Excellent debugging/troubleshooting skills to diagnose and resolve complex network infrastructure, HTTP/SSL, and firewall issues in customer environments What Will Make You Stand Out (Preferred Qualifications) Experience leveraging AI-assisted coding, static/dynamic analysis, or intelligent automation tools to improve test coverage and engineering productivity Hands-on experience with traffic generators, performance/load testing tools, and fuzzing techniques Track record of mentoring junior engineers and leading large-scale test automation or quality initiatives for distributed cloud systems #LI-KM9 #LI-Hybrid Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training. The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits. Base Pay Range $157,500 — $225,000 USD At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure. Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including: Various health plans Time off plans for vacation and sick time Parental leave options Retirement options Education reimbursement In-office perks, and more! Learn more about Zscaler's hybrid working model and benefits here . By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™️ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Senior Staff Software Development Engineer, ZIA Core Datapath to join our team. This is a hybrid (3 days per week in San Jose, CA office) role, reporting to the Sr Manager, Software Engineering, QA in the ZIA Engineering team. In this role you will own the architecture, development, and maintenance of a high-scale system test automation infrastructure for ZIA Core Datapath, a cloud security platform processing 400B+ transactions daily. You will build repeatable automation suites for L4-L7 technologies, validate cloud firewall and tunneling stacks, diagnose customer issues, and mentor engineers while driving continuous regression optimization. What you’ll do (Role Expectations) Collaborate with cross-functional teams during design, development, and maintenance of cloud-based software solutions Architect, design, develop, and maintain a scalable system test automation infrastructure for a cloud product processing 400B+ transactions per day Build repeatable automation suites to validate L4–L7 technologies, including cloud firewall, IPsec/GRE tunneling, load balancers, IPS/IDS, and routing/switching Act as an owner and advocate for testing at scale, pushing the limits of the software under test through proficient coding methodologies and strong debugging/troubleshooting Mentor and guide junior engineers, take full ownership of features, and continuously optimize the regression cycle Who You Are (Success Profile) You are a pragmatic builder obsessed with creating, iterating, and shipping, balancing technical excellence with the need to deliver value to users quickly. You act like an owner with a deep passion for the mission, operating with integrity and seamlessly navigating between high-level strategy and hands-on execution. You are driven by innovation and technical curiosity, continuously energized by solving complex challenges and finding scalable, secure solutions. You operate with urgency and a bias for action, understanding that speed and quality go hand in hand to deliver high-impact results. You are a high-trust collaborator who thrives on open feedback and clarity, driving collective success and building strong team alignment. What We’re Looking for (Minimum Qualifications) Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain 12+ years of overall experience with strong programming skills in building test automation frameworks in Python Solid understanding of the TCP/IP protocol stack, HTTP(S), TLS, PKI, DNS, DHCP, VPN, HA, routing and switching, and tunneling methods such as IPsec/GRE Strong background in L3, L4, and L7 filtering policies, with hands-on exposure to load balancers, IPS/IDS, and routers Proven experience in manual and automated functional, integration, performance, and scale testing for cloud security/SaaS products, including test plan and test case creation Excellent debugging/troubleshooting skills to diagnose and resolve complex network infrastructure, HTTP/SSL, and firewall issues in customer environments What Will Make You Stand Out (Preferred Qualifications) Experience leveraging AI-assisted coding, static/dynamic analysis, or intelligent automation tools to improve test coverage and engineering productivity Hands-on experience with traffic generators, performance/load testing tools, and fuzzing techniques Track record of mentoring junior engineers and leading large-scale test automation or quality initiatives for distributed cloud systems #LI-KM9 #LI-Hybrid Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training. The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits. Base Pay Range $157,500 — $225,000 USD At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure. Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including: Various health plans Time off plans for vacation and sick time Parental leave options Retirement options Education reimbursement In-office perks, and more! Learn more about Zscaler's hybrid working model and benefits here . By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™️ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Staff Software Development Engineer to join our team. This is a hybrid role based in Bangalore, reporting to the Sr. Manager, Engineering in the Identity & Access Management department. You will help manage digital risk by applying security through identity integration and controls. In this role, you will build workflows and application integrations as coordinated with the larger IAM team, Product Management, and Business teams. What you’ll do (Role Expectations) Lead the development of identity management products for Zscaler Designing and implementing scalable, high-performance backend services and APIs using Java Ensuring code quality by writing and maintaining unit, integration, and performance tests; monitor, debug, and optimize system performance Collaborating with cross-functional teams to deliver integrated solutions and contribute to Agile/Scrum processes like sprint planning and retrospectives Participating in on-call rotation to support a highly available engineering platform and ensure compliance with federal guidelines Who You Are (Success Profile) You thrive in ambiguity. You're comfortable building the path as you walk it. You thrive in a dynamic environment, seeing ambiguity not as a hindrance, but as the raw material to build something meaningful. You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. True ownership involves leveraging dynamic range: the ability to navigate seamlessly between high-level strategy and hands-on execution. You are a problem-solver. You love running towards the challenges because you are laser-focused on finding the solution, knowing that solving the hard problems delivers the biggest impact. You are a high-trust collaborator. You are ambitious for the team, not just yourself. You embrace our challenge culture by giving and receiving ongoing feedback—knowing that candor delivered with clarity and respect is the truest form of teamwork and the fastest way to earn trust. You are a learner. You have a true growth mindset and are obsessed with your own development, actively seeking feedback to become a better partner and a stronger teammate. You love what you do and you do it with purpose. What We’re Looking for (Minimum Qualifications) Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain Deep proficiency in enterprise Java, object-oriented programming (OOP/OOA), systems architecture, RESTful APIs, and frameworks such as Hibernate and Spring. Good understanding of CI/CD tools and processes Hands-on experience with SQL and Postgres Hands-on experience with Docker, Kubernetes, and one or more major cloud platforms (AWS, GCP) What Will Make You Stand Out (Preferred Qualifications) Experience implementing AIOps, AI-driven predictive scaling, or automated anomaly detection to optimize cloud infrastructure performance and reliability Strong understanding of DevOps automation workflows and CI/CD pipelines and experience with Docker, Kubernetes, and container infrastructure Knowledge of Identity and Access Management protocols, such as OAuth, OpenID Connect, SAML, Federation, or SSO #LI-Hybrid #LI-GL2 At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure. Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including: Various health plans Time off plans for vacation and sick time Parental leave options Retirement options Education reimbursement In-office perks, and more! Learn more about Zscaler's hybrid working model and benefits here . By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™️ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Sr. Software Development Engineer (Controlplane) to join our team. This is a hybrid (in office 3 days a week in San Jose, CA) role, reporting to the Manager, Software Engineering in the Zero Trust Exchange department. In this role, you will lead the design and development of highly scalable, resilient, and secure control plane platform services that power the Zero Trust Exchange. You will drive architecture, influence technical strategy across teams, and deliver platform capabilities that improve reliability, operability, and developer velocity. The ideal candidate pairs deep distributed systems expertise with strong cross-functional leadership and a pragmatic, execution-focused mindset. What you’ll do (Role Expectations) Lead the architecture, design, and delivery of large-scale control plane and platform services with a strong focus on scalability, availability, security, and operational excellence Drive complex cross-team technical initiatives, align stakeholders on architecture and execution plans, and ensure high-quality delivery against business and engineering priorities Identify and resolve system bottlenecks, reliability risks, and architectural gaps across distributed systems, improving performance, observability, and long-term maintainability Set a high technical bar through design reviews, code reviews, engineering best practices, and hands-on mentorship of senior engineers across the organization Evaluate and apply emerging technologies, including AI-assisted engineering workflows where appropriate, to improve developer productivity, system intelligence, and product delivery outcomes Who You Are (Success Profile) You act like an owner with a passion for the mission, operating with integrity and navigating seamlessly between high-level strategy and hands-on execution. You are a dedicated problem-solver who is energized by complex technical challenges and focused on delivering high-impact outcomes. You are a high-trust collaborator who embraces a challenge culture with candid feedback, respect, and shared ambition for team success. You embody a true growth mindset, continuously developing your skills, seeking feedback, and bringing purpose to your work. You champion simplicity by distilling complex problems and technical concepts into clear, actionable plans and precise communication. What We’re Looking for (Minimum Qualifications) Demonstrated curiosity and active exploration of AI tools, with a proven history of integrating new technologies to enhance daily workflows and augment problem-solving 3+ years of software engineering experience, including significant experience designing and building large-scale distributed systems and backend platform services Deep expertise in system design, microservices architecture, API design, data modeling, and operating highly available, fault-tolerant services in production environments Strong proficiency in one or more modern programming languages such as Java, Go, or Python, with a track record of delivering production-grade software Experience leading complex technical initiatives across multiple teams, driving architectural decisions, and influencing engineering direction beyond immediate team boundaries Strong understanding of cloud-native technologies, observability, reliability engineering, and secure software development practices What Will Make You Stand Out (Preferred Qualifications) Experience applying AI-forward engineering practices, such as developer copilots, intelligent automation, AI-assisted incident analysis, or ML/LLM-powered platform capabilities, to improve engineering productivity or product outcomes Experience building control plane, policy, identity, security, or other mission-critical platform systems in a SaaS or cybersecurity environment Experience mentoring senior engineers and serving as a recognized technical leader for architecture, operational excellence, and engineering standards across an organization #LI-KM9 #LI-Hybrid Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training. The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits. Base Pay Range $115,500 — $165,000 USD At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure. Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including: Various health plans Time off plans for vacation and sick time Parental leave options Retirement options Education reimbursement In-office perks, and more! Learn more about Zscaler's hybrid working model and benefits here . By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™️ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Principal Software Development Engineer to join our team. This is a Hybrid role, reporting to the Director, Software Engineering in the Engineering department. You will join the team that built the world’s largest cloud security platform from the ground up, enabling organizations worldwide to harness speed and agility with a cloud-first strategy. With more than 100 patents and 15 million users across 185 countries, you will bring your vision to a team of experts dedicated to enhancing our multitenant architecture and global footprint. What you’ll do (Role Expectations) Design, develop, and optimize the system, including networking and security features, to support high-performance applications while creating specification documents and driving automation Apply strong software design principles and deep troubleshooting expertise to deliver scalable, resilient, and impactful improvements to Zero Trust Security Services Collaborate directly with architects, product managers, and customers to understand use cases, review product requirements, and optimize system performance Coach and mentor junior team members to ensure the highest level of quality across all deliverables Ensure federal certifications and compliance standards including FIPS, FedRAMP, Common Criteria, and SOC2 are met and maintained Who You Are (Success Profile) Thrive in ambiguity, comfortably building the path as you walk it and viewing dynamic environments as opportunities to construct meaningful solutions. Operate with a strong sense of ownership, combining a passion for the mission with high integrity and the ability to navigate seamlessly between high-level strategy and hands-on execution. Demonstrate a proactive problem-solving focus, eagerly running toward challenges and remaining laser-focused on delivering high-impact outcomes. Build high-trust collaboration, prioritizing team success, welcoming constructive feedback, and practicing clear and respectful candor to establish strong partnerships. Maintain a continuous growth mindset, actively seeking feedback and development to grow as a partner, teammate, and purpose-driven leader. What We’re Looking for (Minimum Qualifications) Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain Bachelor's or Master's (preferred) degree in Computer Science or a related field with 10+ years of experience in system engineering for high-performance networking Expertise in Linux kernel-based networking (L2/L3), stateful firewalls, NAT, network drivers, routing protocols, and tunneling technologies Proficiency in Go and Python programming languages with excellent problem-solving skills for debugging complex data path issues Strong communication and collaboration skills to work effectively with cross-functional teams in a high-accountability environment while designing scalable systems What Will Make You Stand Out (Preferred Qualifications) Proven ability to leverage AI technologies and workflows to drive measurable operational efficiency Experience integrating AI/ML frameworks or intelligent data path analysis models to optimize kernel-level networking performance and automate predictive threat detection Advanced experience with networking technologies, tunneling protocols, high-availability protocols, and security certifications like FIPS or FedRAMP Familiarity with public cloud platforms, containerization with Docker and Kubernetes, and advanced virtualization or security solutions #LI-CM3 #LI-Hybrid Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training. The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits. Base Pay Range $185,500 — $265,000 USD At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure. Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including: Various health plans Time off plans for vacation and sick time Parental leave options Retirement options Education reimbursement In-office perks, and more! Learn more about Zscaler's hybrid working model and benefits here . By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™️ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Principal Software Engineer (C / Networking / Dataplane) to join our Engineering Team. This is a Hybrid (San Jose, CA 3 days a week in office) role, reporting to the Senior Director, Software Development Engineering. The Principal Software Engineer (C / Networking / Dataplane) will design and implement high-performance data path features for load balancing and L7 protocols, directly enhancing the scalability and security of global networking infrastructure. By leveraging deep C programming expertise and autonomous ownership, they will drive complex architectural projects from initial concept to large-scale deployment. What you’ll do (Role Expectations) Design and implement Datapath features related to Load Balancer, Firewall rules and L7 Protocol implementations Apply deep knowledge of C programming, data structures, and algorithms to build high-performance systems Independently drive moderately complex projects from conception to deployment with full ownership Utilize expert knowledge of networking protocols and services including DNS, HTTP, TCP/IP, and SSL/TLS Leverage Unix or Linux operating systems knowledge to optimize networking and security applications Who You Are (Success Profile) You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. You adapt to what’s needed, navigating seamlessly between high-level strategy and hands-on execution. You are a high-trust collaborator. You are ambitious for the team, not just yourself. You embrace our challenge culture by giving and receiving ongoing feedback—knowing that candor delivered with clarity and respect is the truest form of teamwork and the fastest way to earn trust. You are customer-obsessed. You build deep empathy for the customer—both internal and external—and anchor your decisions in solving their real-world problems. You champion their needs from start to finish, knowing their success is our success. You operate with urgency. You understand that in a high-growth environment, speed and quality are not mutually exclusive. You have a relentless focus on execution and a bias for action, delivering high-impact results quickly to win for the customer and the team. You think at scale. You connect your day-to-day work to the larger company mission and think globally. You build solutions, processes, and teams that are not just effective today but are built to last and support a high-growth, global organization. What We’re Looking for (Minimum Qualifications) Demonstrated curiosity and active exploration of AI tools, with a proven history of integrating new technologies to enhance daily workflows and augment problem-solving 12+ years of experience building large-scale commercial networking and security applications with proficiency in programming languages C or C++ Strong foundational knowledge in data structures and algorithms Working experience in Linux, Unix, or similar operating systems BS or MS degree in CS/CE or equivalent experience What Will Make You Stand Out (Preferred Qualifications) Exposure to AI-assisted software development tools and workflows, with the ability to apply them to improve engineering productivity and delivery quality Advanced knowledge of networking protocols and services, specifically DNS, HTTP, TCP/IP, and SSL/TLS #LI-KM9 #LI-Hybrid Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training. The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits. Base Pay Range $185,500 — $265,000 USD At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure. Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including: Various health plans Time off plans for vacation and sick time Parental leave options Retirement options Education reimbursement In-office perks, and more! Learn more about Zscaler's hybrid working model and benefits here . By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.