• Systems Administrator Level 2

    Northrop Grumman (Aurora, CO)
    …responsibilities will include, but not be limited to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts. + ... part of our mission. Northrop Grumman is seeking a ** Systems Administrator ** **Level 2** to join our...IT experience is required + **Candidate must have active/current Top Secret /SCI clearance with adjudicated Full Scope… more
    Northrop Grumman (10/22/25)
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  • Sr. Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …(BU). This position is located in **Aurora, CO.** **Job Duties:** + Perform as a Linux and Windows System Administrator and able to build these environments ... Systems (NGSP) seeks to find a **Sr. Principal Systems Administrator ** supporting the Integrated National ...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (11/06/25)
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  • Infrastructure Engineer/ Administrator

    CACI International (Mclean, VA)
    …Type of Travel: None * * * **The Opportunity:** CACI is seeking a highly motivated Linux System Engineer and Administrator with hands on experience with the ... demonstrated experience with multiple cloud platforms, automation technologies, and with Linux system administration. The successful candidate will ensure the… more
    CACI International (12/26/25)
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  • Systems Administrator II

    DCCA (Aurora, CO)
    …and benefits package. Visit our website at: www.dcca.com System Administrator II ( Linux ) Candidate must have an active TS /SCI w/ Poly For over 40 years, ... Systems Administrator II Location Aurora, CO...Configures and manages UNIX and Linux operating systems and installs/loads operating system software, troubleshoots,… more
    DCCA (11/21/25)
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  • Help Desk System Administrator

    Lockheed Martin (Schriever AFB, CO)
    …duties include configuring and managing Linux and Windows Operating systems to include implementing operating system enhancements to improve reliability ... This position requires a government security clearance at the Top Secret level; you must be a... system administration in both Windows Server and Linux operating systems \. * Experience with troubleshooting… more
    Lockheed Martin (12/11/25)
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  • PDM/PLM Application Administrator

    RTX Corporation (Plano, TX)
    …US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current **Application System Administrator (PDM/PLM - Windchill) ... leading across teams to drive results + Active and transferable US government issued TOP SECRET security clearance is required prior to start date. US… more
    RTX Corporation (11/24/25)
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  • Systems Administrator / Top

    Lockheed Martin (Arlington, VA)
    **Description:** You will be the Systems Administrator for the Advanced Concepts Lab \(ACL\) - a cutting edge team within Lockheed Martin's Advanced Technology ... scientific disciplines\. What You Will Be Doing: As the Systems Administrator you will be responsible for...special access\. The selected candidate must possess an active Top Secret clearance to start\. \#lmatl **Basic… more
    Lockheed Martin (10/22/25)
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  • Windows Systems Administrator

    Northrop Grumman (Redondo Beach, CA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... your career. Northrop Grumman is seeking a well-qualified **Windows Systems Administrator ** to join its dynamic team...continued employment + **Candidates must have a current DOD Top Secret level security clearance** (at a… more
    Northrop Grumman (01/07/26)
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  • Database Administrator (Active Top

    ICF (Oklahoma City, OK)
    …and alerting. **Required Qualifications:** + Candidate must have an active DoD Top Secret Clearence. + Security+ or equivalent certification required. + ... happen. We are seeking a skilled DBA to support daily operations of IT systems for a government program. You will manage and optimize production databases supporting… more
    ICF (01/08/26)
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  • Enterprise Management Tools - Systems

    General Dynamics Information Technology (San Antonio, TX)
    …RQ211471 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Family:** IT Infrastructure and Operations **Skills:** Management Tools, System Administration, Systems Management **Certifications:** Comp TIA Security - CompTIA… more
    General Dynamics Information Technology (12/12/25)
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