• Network /Systems Administrator

    Argonne National Laboratory (Lemont, IL)
    Argonne has an opportunity to serve as the System Administrator of the classified National Security Systems (NSS) for the Security Programs Facility (SPF). Develop, ... by the US Department of Energy (DOE). It's functionally equivalent to a **Top Secret clearance** , allowing access to information classified up to that level, but… more
    Argonne National Laboratory (11/22/25)
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  • Contract Administrator / Principal Contract…

    Northrop Grumman (Sunnyvale, CA)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees have ... By joining in our shared mission, we'll support yours of expanding your personal network and developing skills, whether you are new to the field, or an industry… more
    Northrop Grumman (12/11/25)
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  • Senior Systems Administrator

    Exeter Government Services, LLC (Miami, FL)
    …System Administrator Location: Doral, FL Required Clearance: TS or Secret w/SSBI (Tier 5 Investigation) Certifications: DoDM 8570 IAT Level II certification ... and one of the following: MCSA Server 2016, Azure Administrator AZ-104 , or Red Hat Certified System ...awarded 6.5 year contract supporting server management for the Network Operations and Security Center (NOSC) . Successful candidates… more
    Exeter Government Services, LLC (11/30/25)
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  • Senior Network Administrator

    TekSynap (Radford, VA)
    …locations. + Lead the planning, deployment, and maintenance of new network infrastructure and configurations. + Create and maintain technical documentation, standard ... procedures (SOPs), and policies to support consistent and secure network operations. + Monitor and tune network ...for 30 days after project join date. **Clearance** + Secret - IT-II Non-Critical Sensitive Clearance or Tier 3… more
    TekSynap (10/25/25)
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  • Network Administrator 1 - TS/SCI

    M. C. Dean (Omaha, NE)
    …US Citizenship, for access to classified information; **Active Top- Secret /SCI Clearance required.** Responsibilities Support the day-to-day planning, installation, ... testing, operation, analysis and documentation of complex networks. + Support network documentation as well as establishing and maintaining User accounts, User… more
    M. C. Dean (10/16/25)
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  • Systems Administrator / Flight Simulation…

    Lockheed Martin (Nellis Air Force Base, NV)
    …around the world\. **THE WORK** Lockheed Martin is seeking a Systems Administrator to support Modeling, Simulation, and Training at the Joint Integrated Test ... within the Joint Simulation Environment \(JSE\) at JITTC\-N\. The Systems Administrator will maintain continuous operation of multi\-user computer systems to ensure… more
    Lockheed Martin (11/05/25)
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  • Principal/Sr. Principal Systems…

    Northrop Grumman (Patuxent River, MD)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees ... (NGAS) has an exciting career opportunity for a **Principal/Sr. Principal Systems Administrator ** to join the Ground Segment team of qualified, diverse individuals… more
    Northrop Grumman (12/12/25)
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  • M365 GCC Senior IT Administrator

    Belcan (Cincinnati, OH)
    Secret Clearance Preferred Qualifications: * Microsoft Certified: Azure Administrator Associate, Security Administrator Associate, Identity and Access ... M365 GCC Senior IT Administrator Job Number: 361637 Category: -Software & Systems...cloud architects and security teams to define and implement network isolation, identity management, and logging configurations aligned with… more
    Belcan (12/07/25)
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  • Virtual Platform Administrator

    TekSynap (MA)
    …administrative tasks and improve system efficiency. + Apply expertise in network architecture, security, and routing, including virtual private clouds (VPCs), load ... balancers, and firewalls. **REQUIRED QUALIFICATIONS** **Clearance** + Secret - IT-I (Tier 5/SSBI) Critical Sensitive Clearance **Certifications** + Cisco Certified … more
    TekSynap (11/15/25)
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  • Classified Area System Administrator

    Leidos (Huntsville, AL)
    …Skills:** + **Bachelor's Degree** and a minimum of two 2 years of System Administrator experience. + **Current Secret clearance** with ability to obtain a Top- ... Digital Modernization sector, is seeking an early career **System Administrator ** to join our team. In this role, you'll...AL office. **Clearance:** You must currently hold an active Secret clearance to qualify for consideration. You must also… more
    Leidos (11/06/25)
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