• DevSecOps Engineer / System

    Parsons Corporation (Fort Belvoir, VA)
    …**Job Description:** Parsons is looking for an amazingly talented Development/Security/Operations (DevSecOps) Engineer / System Administrator to join our ... pipelines. + Administering and maintaining Windows servers and virtualized environments ( VMware , Hyper-V, or similar). + Maintain all lab equipment (virtual and… more
    Parsons Corporation (07/23/25)
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  • IT Engineer - Microsoft Enterprise…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …skilled **IT Engineer ** with strong experience in both **Microsoft Enterprise Systems and Linux administration** to provide **Tier II support** for a large ... SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** IT Help Desk,Linux,Microsoft (MS) Active Directory (AD),… more
    General Dynamics Information Technology (07/16/25)
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  • Endpoint Security as a Service (ESS)…

    Leidos (Washington, DC)
    …where innovation meets mission.** **What You'll Do** As an ESS Engineer and Administrator , you won't just maintain systems - you'll _elevate_ them. You'll be ... skilled and driven Endpoint Security as a Service (ESS) Engineer and Administrator to join our team...ESS deployments and policy rollouts across local and remote systems . + Conducting threat analysis and crafting custom security… more
    Leidos (07/02/25)
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  • System Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Belvoir, VA)
    …us. The world can't wait. You Have: + 5+ years of experience as a systems administrator , network engineer , or cybersecurity engineer , including ... System Administrator , Senior The Opportunity: Your combination...Defense ( DoD ) ? We're looking for a systems administrator who spe cia lizes in working… more
    BOOZ, ALLEN & HAMILTON, INC. (07/22/25)
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  • System Administrator (Linux)

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking an on-site Linux System Administrator to support our work as a prime contractor on a high-profile US Navy weapon ... 100,000 people in more than 40 countries. We develop, engineer , manufacture, and support products and systems ...be available based on position level and/or job specifics. ** System Administrator (Linux)** **111380BR** EEO Career Site… more
    BAE Systems (07/15/25)
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  • System Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Washington, DC)
    …Join us. The world can't wait. You Have: + 5+ years of experience as a systems administrator , network engineer , or cybersecurity engineer + Experience ... System Administrator , Senior The Opportunity: Your combination...Defense ( DoD ) ? We're looking for a systems administrator who spe cia lizes in working… more
    BOOZ, ALLEN & HAMILTON, INC. (07/29/25)
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  • Firewall Administrator & InfoSec…

    Lockheed Martin (Bethesda, MD)
    …the Boundary Transformation and Secure Transport team is hiring a mid\-career Firewall Administrator / InfoSec Engineer \. **What You Will Be Doing:** In this ... Security \(CIS\) organization at Lockheed Martin \(LM\) protects company assets and systems from cyber threats by developing and implementing a robust security… more
    Lockheed Martin (07/16/25)
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  • Cybersecurity System Administrator

    M. C. Dean (District Of Columbia, DC)
    Overview MC Dean is seeking a highly skilled **Cybersecurity System Administrator ** to support a secure operational technology environment by integrating ... documentation and incident logs. **Cybersecurity Operations** + Serve as the **Information System Security Manager (ISSM)** for all assigned systems . + Monitor… more
    M. C. Dean (07/26/25)
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  • Systems Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Washington, DC)
    …Join us. The world can't wait. You Have: + 5+ years of experience as a systems administrator , network engineer , or cybersecurity engineer + Experience ... Systems Administrator , Senior The Opportunity: Your...are met and manage virtual workstations and servers using VMWare . You'll guide your team as they provide customers… more
    BOOZ, ALLEN & HAMILTON, INC. (07/29/25)
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  • Principal Systems Administrator

    ManTech (Arlington, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Principal Systems Administrator ** to join our team in **Pentagon, VA.** The position is **onsite.** ... 6 months of hire + Knowledge of Microsoft Windows Systems , HP SANs, VMware products + Experience...the following certifications is desired: MCSE - Microsoft Certified System Engineer , MCSE - Microsoft Certified Solutions… more
    ManTech (08/08/25)
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