Information Security Analyst Jobs in Chantilly, VA
Information Security Analyst jobs in Chantilly, Virginia are in high demand, concentrated in the Westfields Corporate Center corridor, the Route 50 technology belt, and the Dulles South business district, where defense contractors, federal agencies, and cloud-services firms drive consistent hiring. Employers actively hiring right now 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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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 JobsInformation Security Analyst Job Market in Chantilly
Who's Hiring
- VTG Defense35
- AT&T21
- CACI International21
- Markon14
- MANTECH14
Information Security Analyst Jobs in Chantilly: Frequently Asked Questions
How do I get an information security analyst job in Chantilly?
Chantilly's hiring is dominated by defense contractors, intelligence community support firms, and federal IT services companies clustered around Westfields and the Dulles corridor, so candidates with active security clearances, even at the Secret level, move to the front of the line. Experience with frameworks like NIST RMF, FedRAMP compliance, or SIEM platforms is heavily weighted here. Tailoring your resume to government contract requirements and highlighting any prior cleared-facility work gives you a concrete edge in this market.
Which companies hire information security analysts in Chantilly?
Employers hiring information security analysts in Chantilly right now include VTG Defense, AT&T, and CACI International, based on current listings on Migrate Mate as of November 2026. Chantilly attracts a dense mix of large defense prime contractors, mid-size managed security service providers, and intelligence-community-focused consulting firms, many of which maintain long-term government contracts that generate steady analyst openings.
Are there remote information security analyst jobs in Chantilly?
Yes, though with an important qualifier: information security analyst roles tied to classified federal contracts in Chantilly frequently require on-site presence in a cleared facility, which limits remote availability compared to the broader tech sector. About 0% of information security analyst openings tied to Chantilly are remote or hybrid as of November 2026, and those tend to be unclassified commercial cybersecurity or cloud security roles where sensitive network access does not require a secured environment.
How can I get an information security analyst job in Chantilly with little or no experience?
The most realistic entry path in Chantilly is landing a junior analyst or security operations center role with a defense contractor or managed security service provider, where companies actively develop analysts who can eventually obtain security clearances. Entry-level candidates benefit from earning a CompTIA Security+ certification, which many Chantilly contractors list as a baseline requirement, and from applying to contractor training pipelines or apprenticeship programs that are common among the large government IT firms headquartered in the Westfields area.
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