• Systems Administrator ( Senior )

    BAE Systems (Herndon, VA)
    …may be available based on position level and/or job specifics. **Systems Administrator ( Senior )** **113290BR** EEO Career Site Equal Opportunity Employer. ... future and protect our freedom. We are looking for experienced Systems Administrator to join our technology-based program supporting a key government customer. This… more
    BAE Systems (06/03/25)
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  • Network Administrator 3

    M. C. Dean (Vienna, VA)
    …lives, and changing the world for the better. Responsibilities We are seeking a ** Network Administrator 3** to join our **Security and Electronic Systems (SES)** ... Port Channels, LAN/WAN routing protocols including EIGRP and BGP. + Physical network infrastructure, including copper and fiber media **Desired Experience:** + … more
    M. C. Dean (07/15/25)
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  • Senior Systems Administrator (S)

    SimIS Inc. (Dahlgren, VA)
    …distributed teams across multiple geographic locations + Experience managing Windows and Linux server environments + Knowledge of network security, firewalls, ... position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a US Navy Training… more
    SimIS Inc. (06/23/25)
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  • Enterprise Senior Systems…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Yes **Job Description:** GDIT seeks a highly motivated and experienced Enterprise Senior Systems Engineer to support the Defense Threat Reduction Agency (DTRA) ... and services. + Diagnose and resolve infrastructure hardware, software, network , domain, and client service issues. + Oversee enterprise infrastructure… more
    General Dynamics Information Technology (05/31/25)
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  • Systems Administrator

    ManTech (Herndon, VA)
    **ManTech** is seeking a motivated, career and customer-oriented **Systems Administrator III ( Senior )** to join our team in **Fort Bragg, NC.** ... **Responsibilities include but are not limited to:** + The Systems Administrator III leads the maintenance, configuration, and reliable operation of complex computer… more
    ManTech (07/22/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... with Polygraph Timeline Open Description Assertive Professionalsis seeking aSystem Administrator with Polygraph supporting ourNational Security Customer in Chantilly,… more
    Assertive Professionals (07/10/25)
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  • Sr Principal Windows Systems Administrator

    Northrop Grumman (Dulles, VA)
    …Information and Digital Office (CIDO) organization is seeking a highly experienced ** Senior Principal Windows Systems Administrator ** to join its dynamic team ... mission, we will support yours by expanding your personal network and developing skills, whether you are new to...to the following: + Perform as a Windows System Administrator for a classified government contract. + Able to… more
    Northrop Grumman (07/11/25)
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  • IT Networking and HW Administrator

    Leidos (Lorton, VA)
    …Sector (NSS) has a new and exciting opportunity for an IT Networking and HW Administrator in our Cyber & Analytics Business Area (CABA). Our talented team is at the ... forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (06/08/25)
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  • Mid- Senior Network Engineer

    Infinity Systems Engineering (Alexandria, VA)
    …come be more with us! Job Summary: We are seeking a skilled Systems Administrator / Network Engineer to join our mission-driven team. This position offers a broad ... scope of responsibilities, including network infrastructure management (switch deployment & configuration) and system administration in a classified environment. The… more
    Infinity Systems Engineering (07/22/25)
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  • Senior Information System Security Engineer…

    Amentum (Warrenton, VA)
    …is a DoD-provided, TS/SCI, integrated voice, video, and data, global communications network that facilitates collaboration among senior leaders and key staff. ... If so, look no further. Amentum is seeking a ** Senior Information System Security Engineer** to join our team...to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN-TS ES) which… more
    Amentum (07/17/25)
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