• RMF Test & Evaluation SME (TS/SCI) (Hybrid)

    Koniag Government Services (Alexandria, VA)
    …(including system owner, developer, cybersecurity engineering, test-eval, ISSM/ISSO) to execute security control assessments, Red /Blue Team exercises, ... event plans, cybersecurity test plans, threat-informed test scenarios, penetration test/ Red Team inputs, vulnerability assessment results, system… more
    Koniag Government Services (10/31/25)
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  • Sr. System Administrator (Linux)

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our customers' ... most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency,...serve as a key member of the EINSTEIN Engineering Team , providing advanced technical support for the deployment, configuration,… more
    Nightwing (10/29/25)
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  • Splunk Admin (Lab Manger)

    Nightwing (Arlington, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our customers' ... most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency,...- Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across development, lab,… more
    Nightwing (10/23/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …Critical Systems,Enterprise Systems,Software Updates,System Administration,Technical Issues **Certifications:** CompTIA Security + CE | CompTIA - CompTIA, Red ... Certified Engineer (RHCE) | Red Hat - Red Hat **Experience:** 5 + years of related experience...and full cold backups/patching. + Responsible for DoD Linux Security Technical Implementation Guides (STIGs). + Provide performance metrics… more
    General Dynamics Information Technology (10/25/25)
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  • Systems Administrator - NETTN Support

    Huntington Ingalls Industries (Virginia Beach, VA)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $60,770.00 - $82,000.00 Security Clearance: Secret Level of Experience: Mid This opportunity resides ... with Global Security (GS). Mission Technologies' Global Security (GS)...and environmental challenges. Meet HII's Mission Technologies Division Our team of more than 7,000 professionals worldwide delivers all-domain… more
    Huntington Ingalls Industries (10/11/25)
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  • Specialist, Systems Engineer Mission Protection…

    L3Harris (Springfield, VA)
    …Operations (CONOPS), and risk management frameworks. * Contribute to red /blue team assessments, tabletop exercises, and program security reviews. * Prepare ... employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security . Job Title:… more
    L3Harris (10/16/25)
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  • Penetration Tester

    CACI International (Chantilly, VA)
    …network evaluations to include penetration security assessments in a cybersecurity red team environment.** **Be part of a department with an expanding ... VORPAL Jobs (https://careers.caci.com/vorpal) .** **Qualifications** **:** Required: **Experience performing Red Team , Blue Team Operations.**… more
    CACI International (09/13/25)
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  • Penetration Tester

    Imagine One Technology & Management (Virginia Beach, VA)
    …and access in Microsoft Entra ID + Provide support by utilizing experience conducting Red Team operations in an MDE environment + Provide support by utilizing ... for **Senior Penetration Tester** to provide engineering support for Cyber Situational Awareness (SA), Cyber Command and...AWS services (such as EC2, S3, KMS, RDS) and security best practices relevant to those service + Provide… more
    Imagine One Technology & Management (09/01/25)
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  • CyberSecurity AI Engineer

    Nelnet (Richmond, VA)
    …frameworks. * Stay current on emerging threats to AI systems and participate in blue/ red /purple team exercises involving LLMs and AI services. **AI and ... beyond our benefits package. When you join the Nelnet team , you're part of a community invested in the...from evolving threats. The ideal candidate combines expertise in security engineering with a deep understanding of AI technologies,… more
    Nelnet (10/23/25)
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  • Senior AI Research Engineer

    The MITRE Corporation (Mclean, VA)
    …with AI and one of the three following technical areas: AI security , AI-enhanced cybersecurity, or AI-accelerated cyber operations + Demonstrated advanced ... Intelligence and Autonomy Innovation Center consists of a diverse team united by a passion and a sense of...CI Poly. + Knowledge of advances in AI for cyber or AI security capabilities in industry… more
    The MITRE Corporation (09/04/25)
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