Senior Information Security Analyst Jobs in Chantilly, VA
Senior Information Security Analyst jobs in Chantilly, Virginia are concentrated in the Westfields Business Park corridor, the Route 28 technology belt, and the Dulles South commercial zone, where defense contractors, intelligence community support firms, and federal IT services providers drive steady demand. Employers actively hiring include VTG Defense, AT&T, and CACI International. See the openings below and apply to the ones that match your experience.
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Showing 5 of 173+ Senior Information Security Analyst jobs
Markon is seeking an experienced Systems Engineer specializing in Information Systems Security Engineering (ISSE) and Data Engineering to support an Intelligence Community client in Chantilly, Virginia. This position will design, secure, integrate, and optimize mission-critical cloud and data solutions within classified environments, combining systems engineering principles, cybersecurity compliance, advanced analytics, and modern data engineering practices. The Systems Engineer will work across secure cloud architectures, ETL pipelines, graph databases, and AI/ML-supporting technologies to deliver scalable, compliant solutions aligned with mission requirements.
Responsibilities:- Lead Information Systems Security Engineering (ISSE) activities throughout the system lifecycle, including security architecture development, security control implementation, and compliance with NIST and Sponsor-specific requirements.
- Develop and maintain Assessment and Authorization (A&A) documentation supporting Authorization to Operate (ATO), including System Security Plans (SSPs), Plans of Action and Milestones (POA&Ms), test procedures, and continuous monitoring artifacts.
- Conduct security scans, vulnerability assessments, patch management, and remediation activities across classified cloud and on-premises environments.
- Integrate security-by-design principles into system architectures, data flows, ETL pipelines, and operational workflows.
- Design, develop, and optimize Extract, Transform, Load (ETL) pipelines supporting enterprise data integration, advanced analytics, and AI/ML initiatives.
- Develop and maintain Neo4j graph database solutions, including data modeling, relationship mapping, schema optimization, and Cypher query development.
- Clean, preprocess, analyze, and visualize medium-to-large datasets to support mission analysis and operational decision-making.
- Develop secure software components using technologies such as Cypher, Python, Java, and JavaScript.
- Perform technical and functional assessments, risk analysis, cost estimation, trade studies, and systems engineering evaluations.
- Support secure cloud architectures, virtualization technologies, and scalable data solutions within mission environments.
- Collaborate with systems engineers, developers, security teams, and mission stakeholders to ensure solutions meet technical, accreditation, and operational requirements.
- Participate in Agile development activities, including sprint planning, iterative development, and CI/CD processes.
- Maintain comprehensive documentation covering technical requirements, data models, engineering decisions, software components, and security compliance.
- Active TS/SCI clearance with Full Scope Polygraph (FSP).
- Bachelor's degree and at least 8 years of relevant experience, including 2 years of Sponsor experience; OR
- Master's degree and at least 6 years of relevant experience, including 2 years of Sponsor experience; OR
- PhD and at least 3 years of relevant experience, including 2 years of Sponsor experience.
- An additional 4 years of relevant experience may be considered in lieu of a degree.
- Demonstrated experience designing, securing, and maintaining data flow solutions within classified or high-security environments.
- Strong ISSE experience, including security architecture, A&A/ATO processes, vulnerability management, accreditation documentation, and continuous monitoring.
- Hands-on experience developing ETL pipelines, data models, activity models, and data engineering solutions supporting AI/ML initiatives.
- Proficiency in at least one programming language, such as Cypher, Python, Java, or JavaScript.
- Experience with graph database technologies, with Neo4j and Cypher expertise preferred.
- Experience cleaning, modeling, analyzing, and visualizing medium-to-large datasets.
- Experience supporting Sponsor mission systems or classified programs.
- Strong written and verbal communication skills with the ability to explain complex technical concepts to both technical and nontechnical stakeholders.
Desired:
Experience with enterprise data strategy, data governance, data stewardship, and metadata management.- Experience developing dashboards, technical visualizations, or system-level data representations.
- Exposure to AI/ML and large language model (LLM) systems, including associated data engineering workflows.
- Familiarity with Agile development methodologies and cloud-native architecture patterns.
- Hands-on experience with Neo4j graph databases and advanced Cypher query development.
The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. Overview:
At Markon, we don't just offer jobs – we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.
Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.
Markon values people and the tremendous impact each individual can make – which is why we’re consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation’s most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters – bringing out the best in each other to advance our clients’ missions.
Join us and make a meaningful impact.
Markon is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.
Markon is seeking an experienced Systems Engineer specializing in Information Systems Security Engineering (ISSE) and Data Engineering to support an Intelligence Community client in Chantilly, Virginia. This position will design, secure, integrate, and optimize mission-critical cloud and data solutions within classified environments, combining systems engineering principles, cybersecurity compliance, advanced analytics, and modern data engineering practices. The Systems Engineer will work across secure cloud architectures, ETL pipelines, graph databases, and AI/ML-supporting technologies to deliver scalable, compliant solutions aligned with mission requirements.
Responsibilities:- Lead Information Systems Security Engineering (ISSE) activities throughout the system lifecycle, including security architecture development, security control implementation, and compliance with NIST and Sponsor-specific requirements.
- Develop and maintain Assessment and Authorization (A&A) documentation supporting Authorization to Operate (ATO), including System Security Plans (SSPs), Plans of Action and Milestones (POA&Ms), test procedures, and continuous monitoring artifacts.
- Conduct security scans, vulnerability assessments, patch management, and remediation activities across classified cloud and on-premises environments.
- Integrate security-by-design principles into system architectures, data flows, ETL pipelines, and operational workflows.
- Design, develop, and optimize Extract, Transform, Load (ETL) pipelines supporting enterprise data integration, advanced analytics, and AI/ML initiatives.
- Develop and maintain Neo4j graph database solutions, including data modeling, relationship mapping, schema optimization, and Cypher query development.
- Clean, preprocess, analyze, and visualize medium-to-large datasets to support mission analysis and operational decision-making.
- Develop secure software components using technologies such as Cypher, Python, Java, and JavaScript.
- Perform technical and functional assessments, risk analysis, cost estimation, trade studies, and systems engineering evaluations.
- Support secure cloud architectures, virtualization technologies, and scalable data solutions within mission environments.
- Collaborate with systems engineers, developers, security teams, and mission stakeholders to ensure solutions meet technical, accreditation, and operational requirements.
- Participate in Agile development activities, including sprint planning, iterative development, and CI/CD processes.
- Maintain comprehensive documentation covering technical requirements, data models, engineering decisions, software components, and security compliance.
- Active TS/SCI clearance with Full Scope Polygraph (FSP).
- Bachelor's degree and at least 8 years of relevant experience, including 2 years of Sponsor experience; OR
- Master's degree and at least 6 years of relevant experience, including 2 years of Sponsor experience; OR
- PhD and at least 3 years of relevant experience, including 2 years of Sponsor experience.
- An additional 4 years of relevant experience may be considered in lieu of a degree.
- Demonstrated experience designing, securing, and maintaining data flow solutions within classified or high-security environments.
- Strong ISSE experience, including security architecture, A&A/ATO processes, vulnerability management, accreditation documentation, and continuous monitoring.
- Hands-on experience developing ETL pipelines, data models, activity models, and data engineering solutions supporting AI/ML initiatives.
- Proficiency in at least one programming language, such as Cypher, Python, Java, or JavaScript.
- Experience with graph database technologies, with Neo4j and Cypher expertise preferred.
- Experience cleaning, modeling, analyzing, and visualizing medium-to-large datasets.
- Experience supporting Sponsor mission systems or classified programs.
- Strong written and verbal communication skills with the ability to explain complex technical concepts to both technical and nontechnical stakeholders.
Desired:
Experience with enterprise data strategy, data governance, data stewardship, and metadata management.- Experience developing dashboards, technical visualizations, or system-level data representations.
- Exposure to AI/ML and large language model (LLM) systems, including associated data engineering workflows.
- Familiarity with Agile development methodologies and cloud-native architecture patterns.
- Hands-on experience with Neo4j graph databases and advanced Cypher query development.
The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. Overview:
At Markon, we don't just offer jobs – we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.
Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.
Markon values people and the tremendous impact each individual can make – which is why we’re consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation’s most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters – bringing out the best in each other to advance our clients’ missions.
Join us and make a meaningful impact.
Markon is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.
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Find JobsSenior Information Security Analyst Job Market in Chantilly
Who's Hiring
- VTG Defense35
- AT&T21
- CACI International21
- Markon14
- MANTECH14
Senior Information Security Analyst Jobs in Chantilly: Frequently Asked Questions
How do I get a senior information security analyst job in Chantilly?
The strongest path into Chantilly's market is through defense contracting and federal IT support firms, which dominate hiring along the Route 28 and Westfields corridors. Candidates with active security clearances, experience with NIST frameworks, and familiarity with federal compliance requirements like FedRAMP or FISMA move fastest through hiring pipelines here. Tailoring your resume to contract-vehicle and program-specific requirements gives a meaningful edge over generalist applicants.
Which companies hire senior information security analysts in Chantilly?
Companies currently hiring senior information security analysts in Chantilly include VTG Defense, AT&T, and CACI International, per current listings on Migrate Mate as of November 2026. Chantilly's employer base skews heavily toward defense contractors, intelligence support firms, and federal managed-service providers clustered around Dulles and the Westfields Business Park.
Are there remote senior information security analyst jobs in Chantilly?
Yes, though availability is moderate given that many Chantilly roles involve classified environments or on-site government facilities that require physical presence. About 0% of senior information security analyst openings tied to Chantilly are remote or hybrid as of November 2026, largely in commercial cybersecurity and non-classified IT governance roles. Policy, risk assessment, and compliance-focused positions are the most likely to offer flexible or remote arrangements locally.
How can I get a senior information security analyst job in Chantilly with little or no experience?
The most realistic entry path in Chantilly is through junior analyst or security operations center roles at the area's many defense contractors and federal IT firms, which routinely hire clearance-eligible candidates at entry level and promote from within. Pursuing a CompTIA Security+ certification, applying for internships or co-ops with Westfields-area government contractors, and obtaining even an interim Secret clearance significantly expands the number of doors open to you locally.
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