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, Cyber Defense Technologies, and AT&T. See the openings below and apply to the ones that match your experience.
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L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.
L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Job Title: Information Security Systems Engineer (ISSE)
Job Code: 44525
Job Location: Chantilly, VA
Job Schedule: 5/8 Monday - Friday
Job Description:
The successful candidate will support a highly motivated engineering team in defining, designing, implementing, documenting, testing and sustaining security solutions on National Security Systems, or other systems engineered for our government customers, using current standards within National Institute of Standards & Technology (NIST) Risk Management Framework, Special Publications 800-37, 800-53, 800-171, and other NIST publications; Committee on National Security Systems Instruction (CNNSI) 1253, Joint SAP Implementation Guide (JSIG), and Federal Information Processing Standards (FIPS) to certify and achieve system accreditations. The successful candidate will work with system developers or commercial product vendors in the design and evaluation of state-of-the-art secure systems, networks, and database products, using methods such as encryption technology, vulnerability analysis and security management.
Essential Functions:
Perform incident response cyber threat identification, incident response support, defensive cyber operations coordination, malware analysis, supply chain risk management assessments per NIST SP 800-161, vendor provenance, counterfeit detection- Exercise skills in NIST Risk Management Framework (RMF) and all related NIST publications, to include writing System Security Plans, Security Control Traceability Matrix, Continuous Monitoring Plan, Security Assessment Plans & Procedures, Security Concept of Operations, Plan of Action and Milestones
- Perform skills in implementing/assessing security controls, to include writing system security categorization memorandum, recommending appropriate security control overlays, define security control baseline based on defined system security categorization and approved security overlays, and apply security controls to computing/network nodes and verify implementation of security controls
- Assist in systems/software engineering functions, to include creation of data flow diagrams, interface control documents, perform trade studies, and Static Application Security Testing (SAST) for Application Security and Development Secure Technical Implementation Guide (STIG) compliance using tools such as Fortify/Coverity and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports
- Define/manage systems/security architectures including system security boundaries, vulnerability management and risk mitigation and remediation strategies within networks, systems, applications and new technology initiatives (hardware, software, firewalls, intrusion detection systems, anti-virus systems and software deployment tools); and Infrastructure/Platform/Software-as-a-Service (IaaS/PaaS/Saas) implementations in cloud environments
- Define/manage systems/security architectures including system security boundaries in on-premises data center systems and ultimately deploy to secure cloud-based system, to include configuration and use of defense and assessment tools specific to each environment type
- This position is performed 100% onsite and cannot be performed remotely
Qualifications:
MUST have an active Top Secret/SCI security clearance with ability to obtain and maintain Special Access Program (SAP) clearance after hire- Bachelor’s Degree and a minimum of 6 years of prior relevant experience; Or, Graduate Degree and a minimum of 4 years of prior related experience; Or, in lieu of a degree, minimum of 10 years of prior related experience
- DoD 8140.03 Level 3 or 4 certification
Preferred Additional Skills:
Perform Model Based System Engineering (UML, SysML, UAF)- Confugure/operate vulnerability analysis tools such Tenable NESSUS Security products
- Develop dashboards, configure rules and operate/administer SEIM/audit reduction tools (e.g., Splunk)
In compliance with pay transparency requirements, the salary range for this role in Virginia state is $106,500-$197,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.
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L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.
Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.
By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.
L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.
See All 182+ Information Security Analyst Jobs in Chantilly
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Find JobsInformation Security Analyst Job Market in Chantilly
Who's Hiring
- VTG Defense42

- Cyber Defense Technologies21

- AT&T14

- MANTECH14

- CACI International14

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, Cyber Defense Technologies, and AT&T, based on current listings on Migrate Mate as of September 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 20% of information security analyst openings tied to Chantilly are remote or hybrid as of September 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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