• Security Lead

    Leidos (Springfield, VA)
    …2-6 years of relevant experience. + Proven experience in industrial, physical, and information security operations. + Knowledge of federal regulations such as ... with contract security obligations. + Manage and protect **classified and sensitive information ** , systems , and equipment developed by or entrusted to the… more
    Leidos (06/08/25)
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  • Systems Administrator, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Arlington, VA)
    … investigation and may need to meet eligibility requirements for access to classified information ; TS /SCI clearance is required. Compensation At Booz Allen, we ... Systems Administrator, Senior The Opportunity: Your combination of...team better understand the network by turning metrics into information and explaining their meaning. We focus on growing… more
    BOOZ, ALLEN & HAMILTON, INC. (07/19/25)
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  • ATO/ Security Architect (DMV Metro Area…

    ICF (Reston, VA)
    …engineers **What you must have:** + Bachelor's Degree in Computer Science, Information Systems , Engineering or other related scientific or technical discipline. ... achievability + Provide operations and monitoring support for legacy systems + Collaborate with IT Security to...to the Cloud. + Experience hosting with the Defense Information Systems Agency (DISA) **Why you'll love… more
    ICF (07/24/25)
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  • Cyber Security Analyst

    ManTech (Herndon, VA)
    …candidate will possess experience in monitoring, analyzing, and securing federal information systems while ensuring compliance with government cybersecurity ... Monitor, investigate, and respond to cybersecurity events and alerts across enterprise systems . + Conduct security assessments, vulnerability scans, and assist… more
    ManTech (06/18/25)
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  • Systems Administrator

    CACI International (Fort Meade, MD)
    …in supporting Active Network Defense (AND), Computer Network Defense (CND), and Information Security Continuous Monitoring (ISCM). Your work will directly ... Systems Administrator Job Category: Information Technology...a dedicated Linux System Administrator to help us ensure information security readiness and maintain enterprise … more
    CACI International (07/09/25)
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  • Technical Security and Signals…

    Leidos (Bethesda, MD)
    systems , and architectural designs in the context of security vulnerabilities and practical countermeasures applications. Successful candidates in this position ... requirements and provide recommended solutions. + Respond to requests for information on potential technical security vulnerabilities. + Leverage your… more
    Leidos (06/25/25)
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  • Cyber Security Engineer

    Leidos (Springfield, VA)
    …Control Systems group at each site by working with the Information Security Offices. **Primary Responsibilities** + Research and analyze cyber threat ... Security Engineer who is responsible for developing and implementing advanced security solutions to defend critical systems , networks, and data against… more
    Leidos (05/24/25)
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  • Security Engineer

    Leidos (Chantilly, VA)
    …or Industrial Control Systems group at each site by working with the Information Security Offices to design, implement, and support defensive security ... application security architecture principles and best practices. + Conduct security evaluations of software and systems , including web application… more
    Leidos (05/24/25)
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  • Senior Systems Engineer (Onsite)

    RTX Corporation (Springfield, VA)
    …date.​ US citizenship is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS /SCI with Polygraph At Raytheon, the ... safer, more secure world. Raytheon is seeking a Senior Systems Engineer, providing mission-specific systems engineering and...implanting those written changes. + **An active and transferable TS /SCI CI Poly US government issued security more
    RTX Corporation (07/23/25)
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  • Systems Administrator with Network Skills…

    Lockheed Martin (Annapolis Junction, MD)
    …achievement and contribute to shaping the future of aerospace, defense, and security solutions\. THE WORK TKO provides systems engineering, software development, ... AWS System Administrator Certified **Desired Skills:** * RedHat certified **Clearance Level:** TS /SCI w/Poly SP **Other Important Information You Should Know**… more
    Lockheed Martin (07/12/25)
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