• Firewall Administrator

    Chenega Corporation (Arlington, VA)
    …diploma or GED equivalent + 3+ years of relevant experience + DOD 8140 IAT II + TS /SCI **Knowledge, Skills, and Abilities:** + Knowledge of Palo Alto Networks ... **Req ID:** 37933 **Summary** **Firewall Administrator ** **Arlington, VA** Are you ready to enhance...enterprise environments such as Azure Stack Hub and SAP systems . **Responsibilities** + Design and implement firewall infrastructure for… more
    Chenega Corporation (10/03/25)
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  • Network Administrator

    ManTech (Laurel, MD)
    ManTech seeks a motivated, career- and customer-oriented **Network Administrator ** with a focus on Cisco Networks to join our team in **Laurel, MD** . You will be ... and Twelve (12) years of experience as a Network Administrator supporting programs and contracts of similar scope, type,...Strong technical background in Cisco FirePower Firewalls + IAT II certification (DoD 8140 required within 60 days of… more
    ManTech (09/19/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Founded in 2007 and headquartered in Columbia, Maryland, Synergy ... ECP is a leading provider of cybersecurity, software and systems engineering and IT services to the US intelligence and defense communities. The company leverages… more
    Synergy ECP (10/22/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers across ... day-to-day operational maintenance, support, and upgrades for complex operating systems , workstations and servers. Coordinates, directs and performs complex software… more
    SAIC (11/19/25)
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  • System Administrator

    CACI International (Laurel, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular ... + Provide support for implementation, troubleshooting and maintenance of IT systems + Provide Tier I (Help Desk) problem identification, diagnosis and… more
    CACI International (11/20/25)
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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    System Administrator 2 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Synergy ECP, a platform company with Falfurrias Capital ... any other protected class. Required Clearance: Candidate must have a TS /SCI polygraph clearance + Provide support for implementation, troubleshooting and maintenance… more
    Synergy ECP (11/30/25)
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  • Database Administrator 3

    M. C. Dean (Annapolis Junction, MD)
    …telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure, ... innovative power and technology solutions through engineering expertise and smart systems integration. **Why Join Us?** Our people are passionate about engineering… more
    M. C. Dean (11/26/25)
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  • Database Administrator 5

    M. C. Dean (Annapolis Junction, MD)
    …telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure, ... innovative power and technology solutions through engineering expertise and smart systems integration. **Why Join Us?** Our people are passionate about engineering… more
    M. C. Dean (11/26/25)
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  • Mid-Level Test Automation Engineer (Playwright…

    CACI International (Chantilly, VA)
    …of hands-on professional experience specifically using the Playwright framework and an active Top Secret /SCI ( TS /SCI with Poly ) clearance.** **This role ... to ensure testability.** **Qualifications:** _Required:_ . **Security Clearance: Active Top Secret clearance with eligibility for SCI ( TS /SCI with POLY ).**… more
    CACI International (12/04/25)
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  • Lab Manager II

    ARSIEM (Arlington, VA)
    …for a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of ... II Clearance Requirement : Must have an active Secret clearance and be able to obtain a TS /SCI clearance. Must be able to obtain DHS Suitability. Candidate… more
    ARSIEM (11/12/25)
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