• TerraPower (Rockville, MD)
    …part of the TerraPower Security team. This position reports to the Senior Manager, Nuclear Security and Safeguards Programs and provides day-to-day Safeguard ... as analysis and reporting of nuclear materials, sealed sources, accounting network computing resources, and tamper indicating devices (TIDs) inventory data. This… more
    Upward (07/19/25)
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  • Senior Network /Systems…

    GovCIO (Washington, DC)
    **Overview** GovCIO is currently hiring for a Senior Network /Systems Administrator with an active Secret clearance. This position will be located in ... USD $112,500.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/4892/ senior - network -systems- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2024-4892_… more
    GovCIO (07/10/25)
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  • Network Administrator Senior

    General Dynamics Information Technology (Washington, DC)
    …**US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Network Administrator Senior Advisor with GDIT. A career in ... in improving how agencies operate. At GDIT, people are our differentiator. As a Network Administrator Senior Advisor you will help ensure today is safe and… more
    General Dynamics Information Technology (07/18/25)
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  • Systems Administrator with Network

    Lockheed Martin (Annapolis Junction, MD)
    …a referral\. If your referral is hired, you'll receive a payment\! code\-extrefer Senior Systems Network Administrator \- Clearance Required WHAT WE'RE ... & Intelligence, where we foster innovation and integrity\. * As a Senior Systems Network Administrator , you'll be empowered to create "new realities" and… more
    Lockheed Martin (07/12/25)
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  • Tier 3 Network Administrator

    Koniag Government Services (Washington, DC)
    …accounts, paid holidays, three weeks paid time off, and more. We are seeking a senior Tier 3 Network Administrator to provide elite-level support and serve ... Solutions,** a Koniag Government Services company, is seeking a Tier 3 Network Administrator to support **ATS** and our government customer in Washington, DC.… more
    Koniag Government Services (05/01/25)
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  • Sr. Principal Network Engineer - Top Secret

    Northrop Grumman (Linthicum Heights, MD)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking a highly experienced ** Senior ** ** Network Administrator ** to join its dynamic team of ... mission, we will support yours of expanding your personal network and developing skills, whether you are new to...- LAN/WAN environments. + Plan, design, configure, and install network hardware in support of customer requirements. + Maintain… more
    Northrop Grumman (07/26/25)
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  • Systems Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Washington, DC)
    Systems Administrator , Senior The Opportunity: Your combination of people skills and technical expertise makes you the team hero, solving one problem after ... Defense ( DoD ) ? We're looking for a senior systems administrator who spe cia lizes...Have: + 5+ years of experience as a systems administrator , network engineer, or cybersecurity engineer +… more
    BOOZ, ALLEN & HAMILTON, INC. (06/30/25)
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  • Network Administrator

    SAIC (Adelphi, MD)
    **Description** SAIC is seeking a proven ** Network Administrator ** to join the **Army Research Laboratory (ARL) Information Technology (IT) Modernization** ... utilize your skills and background as a Windows Systems Administrator and deliver support to the warfighting mission and...IT policies and objectives + Train users on basic network operations and escalate advanced issues to senior more
    SAIC (07/02/25)
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  • Juniper Network Administrator

    Three Saints Bay (Washington, DC)
    **Juniper Network Administrator -TS/SCI Required (4790)** Location **Washington, DC** Job Code **4790** \# of Openings **1** Apply Now ... government industry leader, is looking for a **Juniper Certified Network Engineer - TS/SCI Required** with an active Top...Perform any other related duties as assigned by the Senior Systems Administrator , Technology or other appropriate… more
    Three Saints Bay (06/19/25)
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  • System Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Washington, DC)
    System Administrator , Senior The Opportunity: Your combination of people skills and te chn ical expertise makes you the team hero, solving one problem after ... wait. You Have: + 5+ years of experience as a systems administrator , network engineer, or cybersecurity engineer + Experience with VMware hypervisor environment,… more
    BOOZ, ALLEN & HAMILTON, INC. (06/30/25)
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  • Linux System Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Columbia, MD)
    Linux System Administrator , Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use ... the Department of Defense? We're looking for a Cross Domain Platform System Administrator to help us design, deploy, and maintain Cross Domain Solutions for an… more
    BOOZ, ALLEN & HAMILTON, INC. (07/25/25)
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  • Senior Linux Systems Administrator

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (05/13/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... Type of Travel: Local * * * **The Opportunity:** CACI is seeking a Senior Linux Systems Administrator to provide support for implementation, troubleshooting and… more
    CACI International (07/10/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    Senior System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... highest standards of service and reliability. We're looking for a skilled System Administrator to join our team and help maintain, troubleshoot, and optimize a wide… more
    CACI International (05/02/25)
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  • Network Administrator 2

    M. C. Dean (Annapolis Junction, MD)
    …leaders in electrical, engineering, and cybersecurity industries. We are seeking a ** Network Administrator 2** to join our **Security and Electronic Systems ... and documentation of complex networks. Main responsibilities include: + Support network documentation as well as establishing and maintaining User accounts, User… more
    M. C. Dean (07/22/25)
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  • Network Administrator 3

    M. C. Dean (Annapolis Junction, MD)
    …improving lives, and changing the world for the better. We are seeking a ** Network Administrator 3** to join our **Security and Electronic Systems (SES)** ... and documentation of complex networks. Main responsibilities include: + Provide network documentation and support as well as establishing and maintaining User… more
    M. C. Dean (07/15/25)
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  • Senior Linux Systems Administrator

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (05/14/25)
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  • Senior Windows Server Systems…

    Leidos (Bethesda, MD)
    …of environment where you can thrive, keep reading!** Leidos is seeking a Senior Windows Server Systems Administrator to support the National Media Exploitation ... Solutions Expert (MCSE) Certification or MCSA (Microsoft Certified System Administrator ) * Experience with SAN or network ...System Administrator ) * Experience with SAN or network storage setup and administration * Experience working in… more
    Leidos (07/24/25)
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  • Windows System Administrator

    Link Solutions Inc (Adelphi, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator ( Senior -Level) to join our team at Adelphi, MD. + Must be a ... Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator ( Senior -Level) will be responsible for the installation,… more
    Link Solutions Inc (07/25/25)
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  • System Administrator , Senior

    Parsons Corporation (Columbia, MD)
    …solutions to provide unmatched innovation. Parsons is seeking a **Sr. System Administrator ** to support our expanding portfolio of work in the Intelligence Community ... Maintain baseline system security according to organizational policies. + Manage accounts, network rights, and access to systems and equipment. + Plan, execute, and… more
    Parsons Corporation (06/20/25)
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