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Job Title: Data Scientist Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: The Opportunity CACI is seeking an experienced Data Scientist supporting the Army DCS, G-6, Network Command, Control, Communications, and Computers (C4) Services Integration (NC4SI) Directorate in support of a Task Order - G-6 Network Plans & Enterprise Information Environment Mission Area (EIEMA) Management. NC4SI provides comprehensive planning, analytical, operational, policy, technical and management services at The Pentagon, Washington D.C. and Ft. Belvoir, VA. Responsibilities: • Proficiency in data science tools, programming languages (Python, R, SQL, Palantir Ontology, Palantir Data Marketplace), and frameworks. • Experience with building and integrating APIs into Army Vantage and other Army or DOD Platforms. Deep understanding in API orchestration and policy considerations within DOD/Army and proven operational implementation track record of deploying APIs and integrating automated data pipelines Army and vendor platforms (examples: AESMP, Army 365, DISA circuit utilization, Netops Tools, Splunk, First Alert). • Familiarity with Army data systems and protocols for API integration across Army platforms. Vantage Environment Development: • Proven ability to design, develop, and optimize Vantage environments for machine learning, predictive data analysis and visualization. • Knowledge of data architecture and infrastructure required for Vantage systems. Data Analysis and Modeling: • Strong skills in data analysis, statistical modeling, and machine learning techniques. Familiarity and proven track record of deploying ensemble predictive ML models, neural networks, LLM vectorization and customization. • Ability to interpret complex datasets and provide actionable insights. Qualifications: Required: : Required · Active Secret clearance with ability to obtain a TS/SCI clearance · Bachelor’s or Master’s degree in Data Science, Computer Science, or related field. · Minimum of 5-7 years of experience in data science roles, preferably with military or government projects. · Familiarity with Army-specific data tools and platforms. · Certifications in data science, cloud computing, or related fields. Desired: • Experience working with cross-functional teams, including military personnel and technical staff. • Excellent communication skills to translate technical concepts into actionable strategies. • Understanding of Army security protocols and compliance requirements for handling sensitive data. • Ability to ensure data integrity and security within Vantage systems. • Familiarity and experience with DOD IL4, IL5, and IL6 cloud environments and data exchange via CDS - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $75,200-$158,100 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Title: Data Scientist Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: The Opportunity CACI is seeking an experienced Data Scientist supporting the Army DCS, G-6, Network Command, Control, Communications, and Computers (C4) Services Integration (NC4SI) Directorate in support of a Task Order - G-6 Network Plans & Enterprise Information Environment Mission Area (EIEMA) Management. NC4SI provides comprehensive planning, analytical, operational, policy, technical and management services at The Pentagon, Washington D.C. and Ft. Belvoir, VA. Responsibilities: • Proficiency in data science tools, programming languages (Python, R, SQL, Palantir Ontology, Palantir Data Marketplace), and frameworks. • Experience with building and integrating APIs into Army Vantage and other Army or DOD Platforms. Deep understanding in API orchestration and policy considerations within DOD/Army and proven operational implementation track record of deploying APIs and integrating automated data pipelines Army and vendor platforms (examples: AESMP, Army 365, DISA circuit utilization, Netops Tools, Splunk, First Alert). • Familiarity with Army data systems and protocols for API integration across Army platforms. Vantage Environment Development: • Proven ability to design, develop, and optimize Vantage environments for machine learning, predictive data analysis and visualization. • Knowledge of data architecture and infrastructure required for Vantage systems. Data Analysis and Modeling: • Strong skills in data analysis, statistical modeling, and machine learning techniques. Familiarity and proven track record of deploying ensemble predictive ML models, neural networks, LLM vectorization and customization. • Ability to interpret complex datasets and provide actionable insights. Qualifications: Required: : Required · Active Secret clearance with ability to obtain a TS/SCI clearance · Bachelor’s or Master’s degree in Data Science, Computer Science, or related field. · Minimum of 5-7 years of experience in data science roles, preferably with military or government projects. · Familiarity with Army-specific data tools and platforms. · Certifications in data science, cloud computing, or related fields. Desired: • Experience working with cross-functional teams, including military personnel and technical staff. • Excellent communication skills to translate technical concepts into actionable strategies. • Understanding of Army security protocols and compliance requirements for handling sensitive data. • Ability to ensure data integrity and security within Vantage systems. • Familiarity and experience with DOD IL4, IL5, and IL6 cloud environments and data exchange via CDS - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $75,200-$158,100 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Title: Data Scientist Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: The Opportunity CACI is seeking an experienced Data Scientist supporting the Army DCS, G-6, Network Command, Control, Communications, and Computers (C4) Services Integration (NC4SI) Directorate in support of a Task Order - G-6 Network Plans & Enterprise Information Environment Mission Area (EIEMA) Management. NC4SI provides comprehensive planning, analytical, operational, policy, technical and management services at The Pentagon, Washington D.C. and Ft. Belvoir, VA. Responsibilities: · Proficiency in data science tools, programming languages and frameworks (Python, R, SQL, Palantir Ontology, Palantir Data Marketplace, etc.). · Experience with building and integrating APIs into Army Vantage and other Army or DOD Platforms. Deep understanding in API orchestration and policy considerations within DOD/Army and proven operational implementation track record of deploying APIs and integrating automated data pipelines Army and vendor platforms (AESMP, Army 365, DISA circuit utilization, Netops Tools, Splunk, First Alert). · Familiarity with Army data systems and protocols for API integration across Army platforms. Army Vantage Environment Development: · Familiarity with Palantir Foundry applications such as, Workshop, Pipeline Builder and Automate. Ability to leverage the Palantir AIP tools to include AIP Logic Functions, AIP Threads and AIP Chatbot Studio. · Understanding of the Palantir Ontology Manager and knowledge of data architecture and infrastructure required for Army Vantage. · Development of dynamic visualizations for executive level consumption. Data Analysis and Modeling: · S trong skills in data analysis, statistical modeling, and machine learning (ML) techniques. Familiarity and proven track record of deploying ensemble predictive ML models, neural networks, LLM vectorization and customization. · Ability to interpret complex datasets and provide actionable insights for senior leadership decision-making. Qualifications: Required: · Active Secret clearance with ability to obtain a TS/SCI clearance. · Bachelor’s Degree in a STEM field (Computer Science, Mathematics, Data Engineering, etc.) · Minimum of 5-7 years of experience in data science roles, preferably with military or government projects. · Familiarity with Army-specific data tools and platforms. · Excellent communication skills to translate technical concepts into actionable strategies for senior leadership decision-making. Desired: · Master’s Degree in a STEM field (Computer Science, Mathematics, Data Engineering, etc.) · Experience working with cross-functional teams and collaborating across disciplines to enhance technical developments. · U nderstanding of Army security protocols and compliance requirements for handling sensitive data. · Familiarity and experience with DOD IL4, IL5, and IL6 cloud environments and data exchange via CDS · Certifications in Data Science, Cloud Computing, or related fields. - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $75,200-$158,100 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Title: Data Scientist Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: The Opportunity CACI is seeking an experienced Data Scientist supporting the Army DCS, G-6, Network Command, Control, Communications, and Computers (C4) Services Integration (NC4SI) Directorate in support of a Task Order - G-6 Network Plans & Enterprise Information Environment Mission Area (EIEMA) Management. NC4SI provides comprehensive planning, analytical, operational, policy, technical and management services at The Pentagon, Washington D.C. and Ft. Belvoir, VA. Responsibilities: · Proficiency in data science tools, programming languages and frameworks (Python, R, SQL, Palantir Ontology, Palantir Data Marketplace, etc.). · Experience with building and integrating APIs into Army Vantage and other Army or DOD Platforms. Deep understanding in API orchestration and policy considerations within DOD/Army and proven operational implementation track record of deploying APIs and integrating automated data pipelines Army and vendor platforms (AESMP, Army 365, DISA circuit utilization, Netops Tools, Splunk, First Alert). · Familiarity with Army data systems and protocols for API integration across Army platforms. Army Vantage Environment Development: · Familiarity with Palantir Foundry applications such as, Workshop, Pipeline Builder and Automate. Ability to leverage the Palantir AIP tools to include AIP Logic Functions, AIP Threads and AIP Chatbot Studio. · Understanding of the Palantir Ontology Manager and knowledge of data architecture and infrastructure required for Army Vantage. · Development of dynamic visualizations for executive level consumption. Data Analysis and Modeling: · S trong skills in data analysis, statistical modeling, and machine learning (ML) techniques. Familiarity and proven track record of deploying ensemble predictive ML models, neural networks, LLM vectorization and customization. · Ability to interpret complex datasets and provide actionable insights for senior leadership decision-making. Qualifications: Required: · Active Secret clearance with ability to obtain a TS/SCI clearance. · Bachelor’s Degree in a STEM field (Computer Science, Mathematics, Data Engineering, etc.) · Minimum of 5-7 years of experience in data science roles, preferably with military or government projects. · Familiarity with Army-specific data tools and platforms. · Excellent communication skills to translate technical concepts into actionable strategies for senior leadership decision-making. Desired: · Master’s Degree in a STEM field (Computer Science, Mathematics, Data Engineering, etc.) · Experience working with cross-functional teams and collaborating across disciplines to enhance technical developments. · U nderstanding of Army security protocols and compliance requirements for handling sensitive data. · Familiarity and experience with DOD IL4, IL5, and IL6 cloud environments and data exchange via CDS · Certifications in Data Science, Cloud Computing, or related fields. - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $75,200-$158,100 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Title: Senior AI/ML Engineer Job Category: Science Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local Anticipated Posting End: 12/25/2026 The Opportunity: This position is for a Senior AI/ML Engineer looking for new challenging problems. You should have experience working in research teams prototyping and developing AI/ML algorithms. You will support the development of AI/ML algorithms in a multitude of disciplines including object detection/classification, natural language processing, time series prediction/classification, reinforcement learning, and large language models. Responsibilities: Implement machine learning algorithms as part of a small interdisciplinary team Analyze large multi-domain datasets including images, text, time series, and graph data Review and apply cutting-edge research publications • Create technical documentation and user guides Understand training and deployment pipelines including AWS services • Provide training and mentoring to team members Qualifications: Required: B.S. in machine learning, computer science, mathematics, or related field 5+ years of AI/ML development experience Proficiency with Python and ML libraries such as PyTorch, Lightning, OpenCV, NumPy, Polars Experience with supervised and unsupervised learning Experience with deep learning architectures Experience contributing on a team using version control (e.g. git, GitLab, Bitbucket) Ability to obtain/maintain a TS/SCI U.S. Government Security Clearance Desired: MS or PhD in relevant technical field • Experience leading interdisciplinary teams Experience with LLMs, Transformers, YOLO, GANs, Reinforcement Learning Experience with MCP, Microsoft Agent Framework, HuggingFace, LangChain, OpenCV Linux and AWS experience Experience with CUDA and Python libraries such as CuPy, Numba, CuSignal, CuDF, etc. Experience in application deployment, virtualization, and containerization (e.g. Podman, Docker, Kubernetes, Rancher) Familiarity with using AWS cloud computing resources such as EC2, S3, Lambda, etc. Active TS/SCI U.S. Government Security Clearance with recent Polygraph - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $82,100-$172,400 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Title: Deputy Team Lead – NASA HxCFS Flight Software Development Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: NACI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI is looking for a deputy team lead to support the Flight Software Team Lead for Houston Human Exploration Core Flight Software (HxCFS) development. HxCFS is a NASA flight software (FSW) cFS framework/application stack aligned with human‑exploration missions such as Moon Base. Deputy will support HxCFS at NASA Johnson Space Center (JSC) with project leadership and technical expertise in embedded software systems to support development of human-rated space vehicle subsystem software . The candidate will assist the task lead in leading the team and will also continue to contribute to the prototyping, requirements definition, design, development, test and verification, integration, and certification of Flight Software. The position also includes interacting with users, developing, and prioritizing new features based on customer needs, customer service, managing schedule, and supporting presentations and demonstrations. Ideally the candidate would also take on the role of scrum master for the team. This position requires a self-motivated, capable person with strong verbal and written communication skills. In addition to outstanding technical expertise, the individual must be very people savvy, have leadership experience and strong customer relationship skills, possess a positive team-player attitude, be flexible and willing to take on new assignments and responsibilities as they arise, and be an articulate speaker able to communicate complex technical ideas in a convincing manner. The individual must share our passion for our Nation's Space Program and share in the excitement of developing the next human-rated space vehicles. This work takes place at NASA/JSC in Houston, TX, a highly stimulating and dynamic environment that is critical in human space flight and the space exploration initiative. Responsibilities: Serve as deputy to a CACI FSW Development Team Lead to assist in managing a 5-10+ member software development team, developing and prioritizing new features based on customer needs, planning verification, interacting with and providing support to users, managing project schedule, and giving large presentations and demonstrations of product capabilities. Serve as the team’s scrum master. Perform team administrative duties, e.g., team member assignments, timesheet approval, performance feedback, etc. Provide mentorship to junior engineers and support team development and training. Support recruiting efforts. Coordinate with stakeholders to determine software release content. Set priority of software development. Perform release planning and sprint planning, aligning with stakeholder needs. Align developer skills, expertise, and individual development goals with task assignments. Coordinate and monitor development progress, tracking metrics and reporting status to management and stakeholders. Design and develop HxcFS Flight Software. Perform systems engineering in support of software requirements and interface definitions, design, and performance analysis. Perform software integration, test, and verification. Integrate and test software/hardware in avionics test bed and flight certification environments. Collaborate with engineering teams and contractors across multiple NASA programs and projects. Ensure adherence to JSC standard software process practices. Qualifications: Required: B.S. in Computer, Software, Aerospace, Electrical, or Systems Engineering, Computer Science, or related discipline required. Prior experience in a software technical leadership role or evidence of desire to serve in a leadership capacity, e.g., serving as an Intern Mentor, participating in recruiting activities, developing / presenting project innovations, etc. Must embrace a servant leadership model in supporting leadership of the project and serving the customer and team members. Strong written and verbal communication skills. Strong problem identification and problem-solving skills. At least three years’ experience in software development for safety-critical software. Experience can be for aerospace vehicles or in other industries, e.g., oil and gas. More experience is highly valued. Strong C programming skills and experience with Linux. Must have experience in the entire software life cycle. Experience with software unit testing. Must be flexible, open to new challenges in a dynamic environment, and possess strong technical expertise combined with strong verbal and written communication skills. Ability to manage multiple priorities with little supervision. Must be a highly responsible, team-oriented individual with strong work ethic. Must have highly developed coordination and organization skills. Desired: M.S. in Computer, Software, Aerospace, Electrical, or Systems Engineering, Computer Science, or related discipline. Experience in technical leadership of software development teams. Experience in recruiting, personnel project assignments, team member development, and performance feedback. Experience in human-rated space vehicles, e.g., Space Shuttle, Space Station, Orion, Commercial Crew, Gateway, and in specific vehicle software domains (e.g., C&T, C&DH, GN&C). Experience in NASA Core Flight Software (CFS). C++ programming and Object-Oriented Design and Analysis (OOAD) skills. Python development skills. Experience developing embedded software for Real-time Operating Systems, preferably VxWorks. Experience in other bus communication protocols (e.g., 1553, RS-422, RS-232, USB, Ethernet). Experience in software and systems integration. Experience in automated testing. Experience in verification testing. Experience using GitLab and the Git version control system. Experience using Jira. - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. The proposed salary range for this position is: $90,300 - 189,600 USD CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Title: Application Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: Join a mission‑driven cybersecurity team securing applications that support a critical DoD mission . In this role, you’ll embed security directly into the software development lifecycle, partner with developers and architects, and use industry‑leading tools to identify, validate, and remediate vulnerabilities across a diverse application ecosystem. You will: Embed robust security practices into the secure SDLC from design through deployment Execute both static (SAST) and dynamic (DAST) application security testing using enterprise tooling Lead and support penetration testing engagements, guiding developers through actionable remediation Work within a fully staffed cybersecurity program—including architecture, GRC, and operations experts Grow your expertise across the AppSec spectrum: code review, runtime testing, and compliance validation Responsibilities: Perform SAST using Fortify across assigned applications Conduct continuous code quality and security analysis using SonarQube Execute DAST to identify runtime vulnerabilities Coordinate and execute penetration testing engagements Conduct secure code reviews and document findings with actionable guidance Track and verify vulnerability remediation through closure Validate application security controls against program and DoD requirements Author application security assessment and penetration test reports Support the Cybersecurity Architect with secure SDLC process design Qualifications: Required: Active Secret or TS clearance 3–5 years of experience in application security, secure development, or penetration testing Hands‑on experience with SAST platforms (Fortify preferred) Working knowledge of OWASP Top 10 and common application vulnerability classes Demonstrated experience conducting or supporting penetration tests DoD 8140.03M DCWF Basic Tier — CEH DoD 8140 Interim Education Options Required to travel to Scott Airforce base on a quarterly basis Desired: DoD 8140.03M DCWF Intermediate Tier — one of: CEH(P), RCCE Level 1, Cloud+, CPTE, FITSP‑A, GCED, GCIH, GCSA, GICSP, GSEC, PenTest+, or Security+ Bachelor’s degree in Computer Science, Cybersecurity, Data Science, Information Systems, IT, or Software Engineering Experience with SonarQube or similar secure code analysis platforms Familiarity with DevSecOps pipelines and CI/CD security integration Scripting or development experience in Python, Java, or similar languages - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $75,200-$158,100 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Title: Software Test Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: CACI is seeking a Software Test Engineer to support our client in Chantilly, VA. This role is ideal for someone who enjoys solving complex challenges, driving quality, and collaborating with a supportive and growth minded team. Position Overview: As a Software Test Engineer, you will be instrumental in ensuring the quality and reliability of our software products. You will be responsible for designing, developing, and executing test plans, test cases, and test scripts to validate software functionality. Additionally, you will evaluate complex test specifications, analyze results, and drive corrective actions to ensure that products meet both technical and contractual requirements. Your role will involve determining optimal testing strategies for sophisticated systems, identifying product characteristics that enhance testability, and integrating customer requirements into practical system-level test solutions. This position demands a deep understanding of software development processes, testing methodologies, and the ability to collaborate effectively with cross-functional teams. Key Responsibilities: • Develop and maintain comprehensive test plans, test cases, and test scripts for software applications • Execute manual and automated tests to verify software functionality, performance, and security • Identify, document, and track software defects using issue tracking tools • Collaborate with developers to reproduce and resolve software defects • Perform regression testing to ensure that new changes do not adversely affect existing functionality • Contributes to the continuous improvement of testing processes and tools • Provide training and mentorship to junior test engineers • Participate in project meetings and contribute to project planning and risk assessment • Stay current with industry trends and best practices in software testing • Demonstrate advanced technical expertise and provide leadership in testing projects • Act as a subject matter expert in testing methodologies and tools • Mentor and guide junior team members • Contribute to strategic planning and process improvement initiatives • Engage in client interactions and presentations Qualifications: • Bachelor’s degree in computer science, Engineering, or a related field • Minimum of 7 years of experience in software testing, with a proven track record of delivering high-quality test results • Strong knowledge of testing methodologies, tools, and frameworks (e.g., Selenium, JUnit, TestNG) • Experience with both manual and automated testing • Excellent analytical and problem-solving skills • Strong communication and interpersonal skills • Ability to work independently and as part of a team • Experience with Section 508 standards, which map directly to WCAG 2.0 Level A and Level AA Success Criteria • Experience with Agile/Scrum methodologies • Experience with Security testing • Experience with JIRA/MS TFS Preferred Qualifications: • ISTQB Certified Tester or equivalent • Experience with load testing • Experience with JAWS • Experience with ZAP (security testing) • Experience with Roo Code • Knowledge of DevOps practices and tools • Experience in testing web applications, mobile applications, or cloud-based services • Proficiency in scripting languages (e.g., Python, JavaScript) for test automation • Familiarity with performance testing tools (e.g., JMeter, LoadRunner) - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. The proposed salary range for this position is: $103,800 - $218,100 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.