• Systems Administrator / Top Secret…

    Lockheed Martin (Arlington, VA)
    …or interest in developing skills in the following technical areas: \* In\-depth systems administration experience with Windows \(including Active Directory\) ... Administrator with a demonstrated ability to independently develop solutions to systems administration challenges in heterogeneous computing environments\. The… more
    Lockheed Martin (10/22/25)
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  • System Admin - Advanced Electronic…

    Lockheed Martin (Virginia Beach, VA)
    …Space Operations and/or Radar Operations in a military/civilian environment\. System Administration experience i\.e\., LINUX, Red Hat, Windows Active Directory\. ... Processing Group and Mission Subsystem, managing communications equipment, network administration , information assurance, data recording/data management\. Additional responsibilities may… more
    Lockheed Martin (09/20/25)
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  • Splunk Admin (Lab Manger)

    Nightwing (Arlington, VA)
    …technologies and equipment in the lab environment. - Providing ongoing systems administration , technical support, upgrades, patching and troubleshooting services ... or related degree or HS Diploma and 7+ years lab management or systems administration experience. **Desired Certifications:** - DoD 8140.01 IAT Level II… more
    Nightwing (10/23/25)
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  • Senior Platform Engineer / Linux ( Onsite )

    RTX Corporation (Dulles, VA)
    …Boulevard Building CC3, Sterling, VA, 20166-6913 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and ... on call support/overtime. **What You Will Do** + You will maintain existing systems through Linux-based tools and manage the COTS/FOSS software on the system to… more
    RTX Corporation (10/09/25)
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  • Principal Infrastructure Lead Engineer…

    RTX Corporation (Dulles, VA)
    …to include SW development environments and DevSecOps pipelines. + Experience with Windows and Linux system administration . + Experience with infrastructure ... Boulevard Building CC3, Sterling, VA, 20166-6913 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** The ability… more
    RTX Corporation (11/04/25)
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  • Mission Application Technical Support Specialist…

    RTX Corporation (Langley AFB, VA)
    …3/4 mission support of existing and new mission applications hosted on Linux and Windows operating systems . Candidates for this position should have a strong ... , Langley AFB, VA, 23665 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:**...Global Hawk mission operations. + Use dedicated ground control systems to monitor sensor and ground health and status… more
    RTX Corporation (11/06/25)
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  • Lab Manager /System Administration

    Node.Digital (Arlington, VA)
    …new technologies and equipment in the lab environment. -Providing ongoing systems administration , technical support, upgrades, patching and troubleshooting ... - Perform large scale configuration management and deployment across Windows , MacOS, Linux/Unix, and other operating systems ...or HS Diploma and 7+ years lab management or systems administration experience. Desired Certifications: - DoD… more
    Node.Digital (10/21/25)
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  • Systems Administrator (SME)

    BAE Systems (Herndon, VA)
    …to improve our future and protect our freedom. We are seeking a highly experienced Systems Admin SME to provide Tier I & II problem identification, diagnosis, ... **Job Description** BAE Systems , a top-ten prime contractor to the US...identification, diagnosis, and resolution, or escalate to Tier II onsite troubleshooting + Investigate and resolve customer problems +… more
    BAE Systems (09/12/25)
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  • Senior Systems Engineer

    GovCIO (Fairfax, VA)
    …position will be located in Merrifield, VA, and will be a fully onsite position. **Responsibilities** + Provide administration and tier 3 operational support ... **Overview** GovCIO is currently hiring for a Senior Systems Engineer with an active Secret clearance to... Engineer with an active Secret clearance to provide administration and tier 3 operational support for servers, workstations,… more
    GovCIO (10/31/25)
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  • Senior Systems Analyst

    ManTech (Chantilly, VA)
    …months of hire. MCSA, VCP, or equivalent + Experience with Microsoft Windows Systems , specifically: Microsoft Windows 2008/2012/2016/2019 Servers; Microsoft ... SANs, Certificate Services, DHCP, DNS, Active Directory, Group Policies and Microsoft Windows Operating Systems + ​Diagnosing and resolving the performance,… more
    ManTech (10/29/25)
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