Careers at Xai

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: As a member of the facility operations team, you will help design, build, activate, and maintain some of the world’s most technically advanced facilities and data centers. You will be able to operate with autonomy to solve diverse and complex problems, excel at managing multiple projects at a time, and work in a dynamic, fast-paced environment. As a Facilities Engineer, you will coordinate and execute infrastructure projects as well as oversee ongoing operations and maintenance of facilities, equipment, and utilities. This will involve corrective, preventive, and predictive maintenance techniques as well as operational and design feedback for maintaining and improving all systems at our Memphis and Southaven sites. RESPONSIBILITIES: Lead internal project teams, consulting engineers and contractors throughout the entirety of the MEP engineering, procurement, construction, commissioning and maintenance process. Provide technical engineering support/information to ensure construction/maintenance complies with all standards, codes, and specifications. Verify maintenance is being completed and coordinate all repair, build, and contingency systems efforts for HVAC, electrical, cranes, facility systems (e.g. lighting, doors, roof leaks), security systems, and fire protection systems. Manage the design, development, and issuance of drawings, documentation, and reports for aerospace, large commercial or industrial type projects. Resolve design and construction conflicts in the field in real time with multiple parties (internal and external). Prepare and coordinate capital expenditure process; including reviews, approvals and execution of site capital projects ensuring technical specifications, budget and deadlines are met. Work with the AHJ to acquire building permits when appropriate, and ensure all certificates and final inspections have been obtained prior to project close out. Communicate and deliver building/maintenance activities and schedule to personnel, subcontractors and material suppliers to effectively and efficiently execute targeted deadlines. Ensure the reliability and maintainability of new and modified installations. Respond to facility emergencies and own facility readiness procedures for environmental threats. Write, negotiate, and manage scope across multiple disciplines related to MEP engineering. BASIC QUALIFICATIONS: Bachelor's degree in electrical engineering, mechanical engineering, or other engineering discipline. 1+ years of professional experience with the design or build of MEP building systems. Experience with AutoCAD, Revit, or engineering design software. PREFERRED SKILLS AND EXPERIENCE: Direct field experience with day to day management of aerospace, heavy industrial or large commercial construction projects. Experience in conceptual design and budgeting. Experience in contract management for large capital projects. Experience in managing the engineering, procurement, and construction process for aerospace or heavy industrial type projects. Primary experience with electrical and power distribution systems. Knowledge of HVAC operation and design principles including refrigeration, chillers, boilers, and air handling equipment. Experience with plumbing design and operation including domestic water, wastewater, venting, and storm systems. Working knowledge of delta/wye transformers, building lighting, building construction specifications, and facility grounding. Experience with critical power infrastructure including UPS systems, backup generators, and automatic transfer switches. Experience creating and implementing process/design solutions with minimal impact to business operations. Able to quickly assess an issue and assist technicians with troubleshooting and repair. Ability to work in a high-concentration, high-stress environment, under possible extended work hours and tight deadlines. Acute attention to detail, ability to see interactions with other systems to avoid problems. Familiarity with National Electric Code, ASHRAE, National Fire Protection Association, and International Building Code. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: As a member of the facility operations team, you will help design, build, activate, and maintain some of the world’s most technically advanced facilities and data centers. You will be able to operate with autonomy to solve diverse and complex problems, excel at managing multiple projects at a time, and work in a dynamic, fast-paced environment. As a Facilities Engineer, you will coordinate and execute infrastructure projects as well as oversee ongoing operations and maintenance of facilities, equipment, and utilities. This will involve corrective, preventive, and predictive maintenance techniques as well as operational and design feedback for maintaining and improving all systems at our Memphis and Southaven sites. RESPONSIBILITIES: Lead internal project teams, consulting engineers and contractors throughout the entirety of the MEP engineering, procurement, construction, commissioning and maintenance process. Provide technical engineering support/information to ensure construction/maintenance complies with all standards, codes, and specifications. Verify maintenance is being completed and coordinate all repair, build, and contingency systems efforts for HVAC, electrical, cranes, facility systems (e.g. lighting, doors, roof leaks), security systems, and fire protection systems. Manage the design, development, and issuance of drawings, documentation, and reports for aerospace, large commercial or industrial type projects. Resolve design and construction conflicts in the field in real time with multiple parties (internal and external). Prepare and coordinate capital expenditure process; including reviews, approvals and execution of site capital projects ensuring technical specifications, budget and deadlines are met. Work with the AHJ to acquire building permits when appropriate, and ensure all certificates and final inspections have been obtained prior to project close out. Communicate and deliver building/maintenance activities and schedule to personnel, subcontractors and material suppliers to effectively and efficiently execute targeted deadlines. Ensure the reliability and maintainability of new and modified installations. Respond to facility emergencies and own facility readiness procedures for environmental threats. Write, negotiate, and manage scope across multiple disciplines related to MEP engineering. BASIC QUALIFICATIONS: Bachelor's degree in electrical engineering, mechanical engineering, or other engineering discipline. 1+ years of professional experience with the design or build of MEP building systems. Experience with AutoCAD, Revit, or engineering design software. PREFERRED SKILLS AND EXPERIENCE: Direct field experience with day to day management of aerospace, heavy industrial or large commercial construction projects. Experience in conceptual design and budgeting. Experience in contract management for large capital projects. Experience in managing the engineering, procurement, and construction process for aerospace or heavy industrial type projects. Primary experience with electrical and power distribution systems. Knowledge of HVAC operation and design principles including refrigeration, chillers, boilers, and air handling equipment. Experience with plumbing design and operation including domestic water, wastewater, venting, and storm systems. Working knowledge of delta/wye transformers, building lighting, building construction specifications, and facility grounding. Experience with critical power infrastructure including UPS systems, backup generators, and automatic transfer switches. Experience creating and implementing process/design solutions with minimal impact to business operations. Able to quickly assess an issue and assist technicians with troubleshooting and repair. Ability to work in a high-concentration, high-stress environment, under possible extended work hours and tight deadlines. Acute attention to detail, ability to see interactions with other systems to avoid problems. Familiarity with National Electric Code, ASHRAE, National Fire Protection Association, and International Building Code. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: As a member of the facility operations team, you will design, build, and activate some of the world’s most technically advanced facilities and data centers. As an electrical engineer, you will design and build power systems that directly contribute to new infrastructure projects. You will be able to operate with autonomy to solve diverse and complex problems, excel at managing multiple projects simultaneously, and work in a dynamic, fast-paced environment. You will work with other MEP engineers, trade partners, and internal customers to support these goals and have the opportunity to drive real global impact, ultimately leading to making life multiplanetary. RESPONSIBILITIES: Work in a team environment with other engineering disciplines to provide detailed electrical design and specification for the installation of the following equipment and systems: Electrical power distribution systems. Switch-gear and motor control centers. Exterior and interior lighting. Ground support system controls and ladder logic. Uninterruptible power supply (UPS) units. Standby and emergency generators. Automatic transfer switches. Power monitoring hardware and software. Data/phone distribution and wiring. Building and site grounding systems. Fire alarm systems and lightning protection systems. Provide electrical engineering support to facility technicians to troubleshoot existing electrical equipment and controllers. Provide engineering support for the design, operation, and troubleshooting of all the facility's electrical components and systems, including: Load flow analysis of electrical power distribution systems. Electrical equipment evaluation. Building and facility equipment grounding. Power monitoring hardware and software. Ensure that all equipment interfaces properly with other mechanical and electrical systems, including compatibility with facility power budgets. Coordinate all electrical installations and maintenance activities with local electrical utilities personnel. Ensure all electrical designs and installations conform to applicable codes and regulations. Provide code review and analysis utilizing NFPA 70E, NFPA 70 NEC, NFPA 497, NFPA 101, Vol 5 & 6 AFSPCMAN 91-710, and IBC. BASIC QUALIFICATIONS: Bachelor’s degree in electrical engineering or other engineering discipline. 3+ years of professional experience working on electrical projects, power distribution systems, switchgear, UPS's, and/or generators. PREFERRED SKILLS AND EXPERIENCE: 5+ years of years of professional experience in a similar role. Professional Engineering (PE) license. Ability to read and understand power and control schematics. Ability to read and understand highly technical equipment operation and maintenance (O&M) manuals. Experience with variable frequency drives (VFDs) and industrial pumps. Experience with controls in MODBUS communication. Experience with medium voltage distribution. Experience with control panel design and production. Working knowledge of power coordination and arc flash. Ability to work on multiple tasks concurrently. High level of self-motivation, with the ability to work under minimal supervision. Good organizational skills. Ability to prioritize and schedule workload. Strong written and verbal communication skills. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: As a member of the facility operations team, you will design, build, and activate some of the world’s most technically advanced facilities and data centers. As an electrical engineer, you will design and build power systems that directly contribute to new infrastructure projects. You will be able to operate with autonomy to solve diverse and complex problems, excel at managing multiple projects simultaneously, and work in a dynamic, fast-paced environment. You will work with other MEP engineers, trade partners, and internal customers to support these goals and have the opportunity to drive real global impact, ultimately leading to making life multiplanetary. RESPONSIBILITIES: Work in a team environment with other engineering disciplines to provide detailed electrical design and specification for the installation of the following equipment and systems: Electrical power distribution systems. Switch-gear and motor control centers. Exterior and interior lighting. Ground support system controls and ladder logic. Uninterruptible power supply (UPS) units. Standby and emergency generators. Automatic transfer switches. Power monitoring hardware and software. Data/phone distribution and wiring. Building and site grounding systems. Fire alarm systems and lightning protection systems. Provide electrical engineering support to facility technicians to troubleshoot existing electrical equipment and controllers. Provide engineering support for the design, operation, and troubleshooting of all the facility's electrical components and systems, including: Load flow analysis of electrical power distribution systems. Electrical equipment evaluation. Building and facility equipment grounding. Power monitoring hardware and software. Ensure that all equipment interfaces properly with other mechanical and electrical systems, including compatibility with facility power budgets. Coordinate all electrical installations and maintenance activities with local electrical utilities personnel. Ensure all electrical designs and installations conform to applicable codes and regulations. Provide code review and analysis utilizing NFPA 70E, NFPA 70 NEC, NFPA 497, NFPA 101, Vol 5 & 6 AFSPCMAN 91-710, and IBC. BASIC QUALIFICATIONS: Bachelor’s degree in electrical engineering or other engineering discipline. 3+ years of professional experience working on electrical projects, power distribution systems, switchgear, UPS's, and/or generators. PREFERRED SKILLS AND EXPERIENCE: 5+ years of years of professional experience in a similar role. Professional Engineering (PE) license. Ability to read and understand power and control schematics. Ability to read and understand highly technical equipment operation and maintenance (O&M) manuals. Experience with variable frequency drives (VFDs) and industrial pumps. Experience with controls in MODBUS communication. Experience with medium voltage distribution. Experience with control panel design and production. Working knowledge of power coordination and arc flash. Ability to work on multiple tasks concurrently. High level of self-motivation, with the ability to work under minimal supervision. Good organizational skills. Ability to prioritize and schedule workload. Strong written and verbal communication skills. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a skilled and innovative Application Security Engineer to join 𝕏 Money. In this role, you will protect the security and integrity of our payments and financial products throughout the software development lifecycle, with a particular focus on code security, CI/CD pipelines, and systems that move and hold customer funds. Experience securing fintech, payments, digital wallet, ledger, or similar high-value platforms, where fraud, abuse, and unauthorized transfers are a constant concern, is strongly preferred. RESPONSIBILITIES: Conduct in-depth code reviews and static analysis to identify and mitigate security vulnerabilities in financial applications Design and implement secure coding guidelines and best practices for development teams Collaborate closely with development teams to integrate security practices throughout the CI/CD pipeline Perform threat modeling and risk assessments for payments, wallets, ledgers, and related product surfaces, and develop mitigation strategies for fraud, abuse, and unauthorized movement of funds or credits Manage vulnerability tracking and remediation efforts, providing guidance to development teams Manage the bug bounty program, including intake, triage, researcher communication, and coordinated disclosure Support incident response activities related to application security Stay current on emerging threats against financial and cloud-native systems, and continuously strengthen our controls Evaluate and secure software supply chains, including producing and maintaining Software Bills of Materials (SBOMs) Design and implement agentic and LLM-based solutions that help detect, investigate, or prevent security problems BASIC QUALIFICATIONS: Bachelor's degree in Computer Science, Cybersecurity, or a related field 3-5 years of experience in application security, with a strong focus on code security practices Experience in payments, money transmission, digital wallets, or related financial platforms Deep understanding of secure coding practices, application security frameworks, and common vulnerabilities (e.g., OWASP Top 10) Proficiency in Python or Rust and experience with secure coding practices in these languages Experience securing CI/CD pipelines and implementing DevSecOps practices Familiarity with software supply chain security and SBOM generation tools Experience with security testing tools (e.g., Burp Suite, OWASP ZAP) and static/dynamic code analysis Experience securing payments, wallets, ledgers, or other high-value transaction systems, including controls against fraud, abuse, and integrity issues Experience designing and implementing agentic and LLM-based solutions for security problems Excellent communication skills, able to explain complex security issues to both technical and non-technical audiences PREFERRED SKILLS AND EXPERIENCE: Hands-on experience securing applications on AWS; familiarity with other cloud platforms is a plus Relevant security certifications (e.g., BSCP, OSCP, OSWE) Experience managing bug bounty programs Background in data privacy and compliance relevant to financial products and cloud-native applications Experience with GitOps and infrastructure-as-code security Experience building custom security tooling to enhance and automate security processes Contributions to open-source security projects or tools COMPENSATION AND BENEFITS: $100,000 - $258,000 USD Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here . SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a skilled and innovative Application Security Engineer to join 𝕏 Money. In this role, you will protect the security and integrity of our payments and financial products throughout the software development lifecycle, with a particular focus on code security, CI/CD pipelines, and systems that move and hold customer funds. Experience securing fintech, payments, digital wallet, ledger, or similar high-value platforms, where fraud, abuse, and unauthorized transfers are a constant concern, is strongly preferred. RESPONSIBILITIES: Conduct in-depth code reviews and static analysis to identify and mitigate security vulnerabilities in financial applications Design and implement secure coding guidelines and best practices for development teams Collaborate closely with development teams to integrate security practices throughout the CI/CD pipeline Perform threat modeling and risk assessments for payments, wallets, ledgers, and related product surfaces, and develop mitigation strategies for fraud, abuse, and unauthorized movement of funds or credits Manage vulnerability tracking and remediation efforts, providing guidance to development teams Manage the bug bounty program, including intake, triage, researcher communication, and coordinated disclosure Support incident response activities related to application security Stay current on emerging threats against financial and cloud-native systems, and continuously strengthen our controls Evaluate and secure software supply chains, including producing and maintaining Software Bills of Materials (SBOMs) Design and implement agentic and LLM-based solutions that help detect, investigate, or prevent security problems BASIC QUALIFICATIONS: Bachelor's degree in Computer Science, Cybersecurity, or a related field 3-5 years of experience in application security, with a strong focus on code security practices Experience in payments, money transmission, digital wallets, or related financial platforms Deep understanding of secure coding practices, application security frameworks, and common vulnerabilities (e.g., OWASP Top 10) Proficiency in Python or Rust and experience with secure coding practices in these languages Experience securing CI/CD pipelines and implementing DevSecOps practices Familiarity with software supply chain security and SBOM generation tools Experience with security testing tools (e.g., Burp Suite, OWASP ZAP) and static/dynamic code analysis Experience securing payments, wallets, ledgers, or other high-value transaction systems, including controls against fraud, abuse, and integrity issues Experience designing and implementing agentic and LLM-based solutions for security problems Excellent communication skills, able to explain complex security issues to both technical and non-technical audiences PREFERRED SKILLS AND EXPERIENCE: Hands-on experience securing applications on AWS; familiarity with other cloud platforms is a plus Relevant security certifications (e.g., BSCP, OSCP, OSWE) Experience managing bug bounty programs Background in data privacy and compliance relevant to financial products and cloud-native applications Experience with GitOps and infrastructure-as-code security Experience building custom security tooling to enhance and automate security processes Contributions to open-source security projects or tools COMPENSATION AND BENEFITS: $100,000 - $258,000 USD Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here . SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a skilled and innovative Application Security Engineer to join 𝕏 Money. In this role, you will protect the security and integrity of our payments and financial products throughout the software development lifecycle, with a particular focus on code security, CI/CD pipelines, and systems that move and hold customer funds. Experience securing fintech, payments, digital wallet, ledger, or similar high-value platforms, where fraud, abuse, and unauthorized transfers are a constant concern, is strongly preferred. RESPONSIBILITIES: Conduct in-depth code reviews and static analysis to identify and mitigate security vulnerabilities in financial applications Design and implement secure coding guidelines and best practices for development teams Collaborate closely with development teams to integrate security practices throughout the CI/CD pipeline Perform threat modeling and risk assessments for payments, wallets, ledgers, and related product surfaces, and develop mitigation strategies for fraud, abuse, and unauthorized movement of funds or credits Manage vulnerability tracking and remediation efforts, providing guidance to development teams Manage the bug bounty program, including intake, triage, researcher communication, and coordinated disclosure Support incident response activities related to application security Stay current on emerging threats against financial and cloud-native systems, and continuously strengthen our controls Evaluate and secure software supply chains, including producing and maintaining Software Bills of Materials (SBOMs) Design and implement agentic and LLM-based solutions that help detect, investigate, or prevent security problems BASIC QUALIFICATIONS: Bachelor's degree in Computer Science, Cybersecurity, or a related field 3-5 years of experience in application security, with a strong focus on code security practices Experience in payments, money transmission, digital wallets, or related financial platforms Deep understanding of secure coding practices, application security frameworks, and common vulnerabilities (e.g., OWASP Top 10) Proficiency in Python or Rust and experience with secure coding practices in these languages Experience securing CI/CD pipelines and implementing DevSecOps practices Familiarity with software supply chain security and SBOM generation tools Experience with security testing tools (e.g., Burp Suite, OWASP ZAP) and static/dynamic code analysis Experience securing payments, wallets, ledgers, or other high-value transaction systems, including controls against fraud, abuse, and integrity issues Experience designing and implementing agentic and LLM-based solutions for security problems Excellent communication skills, able to explain complex security issues to both technical and non-technical audiences PREFERRED SKILLS AND EXPERIENCE: Hands-on experience securing applications on AWS; familiarity with other cloud platforms is a plus Relevant security certifications (e.g., BSCP, OSCP, OSWE) Experience managing bug bounty programs Background in data privacy and compliance relevant to financial products and cloud-native applications Experience with GitOps and infrastructure-as-code security Experience building custom security tooling to enhance and automate security processes Contributions to open-source security projects or tools COMPENSATION AND BENEFITS: $100,000 - $258,000 USD Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here . SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a skilled and innovative Application Security Engineer to join 𝕏 Money. In this role, you will protect the security and integrity of our payments and financial products throughout the software development lifecycle, with a particular focus on code security, CI/CD pipelines, and systems that move and hold customer funds. Experience securing fintech, payments, digital wallet, ledger, or similar high-value platforms, where fraud, abuse, and unauthorized transfers are a constant concern, is strongly preferred. RESPONSIBILITIES: Conduct in-depth code reviews and static analysis to identify and mitigate security vulnerabilities in financial applications Design and implement secure coding guidelines and best practices for development teams Collaborate closely with development teams to integrate security practices throughout the CI/CD pipeline Perform threat modeling and risk assessments for payments, wallets, ledgers, and related product surfaces, and develop mitigation strategies for fraud, abuse, and unauthorized movement of funds or credits Manage vulnerability tracking and remediation efforts, providing guidance to development teams Manage the bug bounty program, including intake, triage, researcher communication, and coordinated disclosure Support incident response activities related to application security Stay current on emerging threats against financial and cloud-native systems, and continuously strengthen our controls Evaluate and secure software supply chains, including producing and maintaining Software Bills of Materials (SBOMs) Design and implement agentic and LLM-based solutions that help detect, investigate, or prevent security problems BASIC QUALIFICATIONS: Bachelor's degree in Computer Science, Cybersecurity, or a related field 3-5 years of experience in application security, with a strong focus on code security practices Experience in payments, money transmission, digital wallets, or related financial platforms Deep understanding of secure coding practices, application security frameworks, and common vulnerabilities (e.g., OWASP Top 10) Proficiency in Python or Rust and experience with secure coding practices in these languages Experience securing CI/CD pipelines and implementing DevSecOps practices Familiarity with software supply chain security and SBOM generation tools Experience with security testing tools (e.g., Burp Suite, OWASP ZAP) and static/dynamic code analysis Experience securing payments, wallets, ledgers, or other high-value transaction systems, including controls against fraud, abuse, and integrity issues Experience designing and implementing agentic and LLM-based solutions for security problems Excellent communication skills, able to explain complex security issues to both technical and non-technical audiences PREFERRED SKILLS AND EXPERIENCE: Hands-on experience securing applications on AWS; familiarity with other cloud platforms is a plus Relevant security certifications (e.g., BSCP, OSCP, OSWE) Experience managing bug bounty programs Background in data privacy and compliance relevant to financial products and cloud-native applications Experience with GitOps and infrastructure-as-code security Experience building custom security tooling to enhance and automate security processes Contributions to open-source security projects or tools COMPENSATION AND BENEFITS: $100,000 - $258,000 USD Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here . SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a talented and motivated Infrastructure Security Engineer to join our security team. In this role, you will design, implement, and maintain secure cloud and hybrid infrastructure, and ensure the integrity of our cloud-native applications. This role focuses on securing critical infrastructure across multi-cloud and hybrid environments, with work that may span platforms such as SpaceXAI, X Social, X Money and related systems. You’ll operate with an automation-first mindset: building secure foundations, hardening platforms at scale, and partnering closely with engineering teams so security is embedded in how we build and run systems—not bolted on after the fact. RESPONSIBILITIES: Cloud & infrastructure security Design and implement secure cloud architectures across multiple cloud platforms (e.g., AWS, GCP, Azure) Build and secure mission-critical applications in hybrid cloud and on-premises environments Develop and maintain Infrastructure as Code (IaC) templates with embedded security controls Assist with regular security assessments and audits of cloud infrastructure and services Implement and manage cloud security tools and services (e.g., CSPM, CWPP, CASB) Manage identities and roles effectively across cloud and hybrid environments Monitor and remediate infrastructure to comply with regulations and best practices (e.g., PCI, NIST CSF, GDPR, HIPAA) Platform, containers & developer enablement Design and implement secure container standards and automation that enable frictionless developer workflows Maintain Kubernetes security aligned with current best practices Collaborate with development teams to ensure security best practices are integrated into CI/CD pipelines Secure and enhance CI/CD pipelines; integrate and maintain code scanning platforms Detection, operations & tooling Monitor and respond to security events and incidents in cloud and hybrid environments Maintain SIEM data pipelines needed for reliable alerting Build, deploy, and maintain security operations infrastructure using Python, Terraform, and configuration management (e.g., Puppet) Develop dashboards and alerts from security metrics Develop and maintain cloud security policies, standards, and procedures Own security projects end to end: identify issues and implement solutions Stay current with emerging cloud security threats and mitigation strategies BASIC QUALIFICATIONS: Bachelor's degree in Computer Science, Cybersecurity, or a related field 3–5 years of experience in cloud security, infrastructure security, or related roles Strong understanding of cloud security principles, compliance frameworks, and best practices Proficiency in at least one cloud platform (AWS, GCP, or Azure) and associated security services Proven experience securing hybrid AWS/on-premises (or multi-cloud) environments, including IAM and overall security posture Experience with Infrastructure as Code tools (e.g., Terraform, CloudFormation) Familiarity with containerization technologies and their security implications Knowledge of network security concepts and protocols Experience with scripting languages (e.g., Python, Bash) for automation and tool development Proactive mindset with strong ownership, critical thinking, and problem-solving skills Located in the SF Bay Area or willing to relocate PREFERRED SKILLS AND EXPERIENCE: Relevant security certifications (e.g., CCSP, CSSK, AWS Security Specialty) Deep expertise in Kubernetes and container security Experience with multi-cloud environments and cloud-to-cloud security Knowledge of CI/CD best practices and tools Familiarity with regulatory compliance requirements (e.g., GDPR, HIPAA, PCI DSS, NIST CSF) Strong proficiency with Python, Terraform, and configuration management (e.g., Puppet) Hands-on experience building GitHub Actions and workflows Experience with observability and security operations tooling (e.g., Prometheus, Grafana, CloudWatch, Karma; SIEM platforms such as Wazuh) Experience in building custom cloud security tools or integrations Interest in leveraging AI for cloud security monitoring and automation Contributions to open-source cloud security projects Experience with securing AI/ML workloads in cloud environments Experience in banking, money transmission, P2P payments, or similarly regulated financial platforms COMPENSATION AND BENEFITS: $100,000 - $258,000 USD Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a talented and motivated Infrastructure Security Engineer to join our security team. In this role, you will design, implement, and maintain secure cloud and hybrid infrastructure, and ensure the integrity of our cloud-native applications. This role focuses on securing critical infrastructure across multi-cloud and hybrid environments, with work that may span platforms such as SpaceXAI, X Social, X Money and related systems. You’ll operate with an automation-first mindset: building secure foundations, hardening platforms at scale, and partnering closely with engineering teams so security is embedded in how we build and run systems—not bolted on after the fact. RESPONSIBILITIES: Cloud & infrastructure security Design and implement secure cloud architectures across multiple cloud platforms (e.g., AWS, GCP, Azure) Build and secure mission-critical applications in hybrid cloud and on-premises environments Develop and maintain Infrastructure as Code (IaC) templates with embedded security controls Assist with regular security assessments and audits of cloud infrastructure and services Implement and manage cloud security tools and services (e.g., CSPM, CWPP, CASB) Manage identities and roles effectively across cloud and hybrid environments Monitor and remediate infrastructure to comply with regulations and best practices (e.g., PCI, NIST CSF, GDPR, HIPAA) Platform, containers & developer enablement Design and implement secure container standards and automation that enable frictionless developer workflows Maintain Kubernetes security aligned with current best practices Collaborate with development teams to ensure security best practices are integrated into CI/CD pipelines Secure and enhance CI/CD pipelines; integrate and maintain code scanning platforms Detection, operations & tooling Monitor and respond to security events and incidents in cloud and hybrid environments Maintain SIEM data pipelines needed for reliable alerting Build, deploy, and maintain security operations infrastructure using Python, Terraform, and configuration management (e.g., Puppet) Develop dashboards and alerts from security metrics Develop and maintain cloud security policies, standards, and procedures Own security projects end to end: identify issues and implement solutions Stay current with emerging cloud security threats and mitigation strategies BASIC QUALIFICATIONS: Bachelor's degree in Computer Science, Cybersecurity, or a related field 3–5 years of experience in cloud security, infrastructure security, or related roles Strong understanding of cloud security principles, compliance frameworks, and best practices Proficiency in at least one cloud platform (AWS, GCP, or Azure) and associated security services Proven experience securing hybrid AWS/on-premises (or multi-cloud) environments, including IAM and overall security posture Experience with Infrastructure as Code tools (e.g., Terraform, CloudFormation) Familiarity with containerization technologies and their security implications Knowledge of network security concepts and protocols Experience with scripting languages (e.g., Python, Bash) for automation and tool development Proactive mindset with strong ownership, critical thinking, and problem-solving skills Located in the SF Bay Area or willing to relocate PREFERRED SKILLS AND EXPERIENCE: Relevant security certifications (e.g., CCSP, CSSK, AWS Security Specialty) Deep expertise in Kubernetes and container security Experience with multi-cloud environments and cloud-to-cloud security Knowledge of CI/CD best practices and tools Familiarity with regulatory compliance requirements (e.g., GDPR, HIPAA, PCI DSS, NIST CSF) Strong proficiency with Python, Terraform, and configuration management (e.g., Puppet) Hands-on experience building GitHub Actions and workflows Experience with observability and security operations tooling (e.g., Prometheus, Grafana, CloudWatch, Karma; SIEM platforms such as Wazuh) Experience in building custom cloud security tools or integrations Interest in leveraging AI for cloud security monitoring and automation Contributions to open-source cloud security projects Experience with securing AI/ML workloads in cloud environments Experience in banking, money transmission, P2P payments, or similarly regulated financial platforms COMPENSATION AND BENEFITS: $100,000 - $258,000 USD Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .