• IT Systems Administrator / Top Secret…

    Lockheed Martin (Las Vegas, NV)
    …Citizen\) * Must have a non\-expired CompTIA Security \+ certification * Experience with Windows Operating Systems \(i\.e\., Windows Server 2016, 2019, ... and infrastructure deployments for their assigned program\. They will perform Systems Administration across multiple platforms including RHEL, Windows Server,… more
    Lockheed Martin (10/18/25)
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  • Systems Administrator - Level 5 (TCU)

    MTA (New York, NY)
    …12 years' experience installing, maintaining, administering, and supporting computer hardware and operating systems software such as Windows , HP-UNIX, LINUX, ... experience with maintaining and supporting computer hardware, operating systems , software, networking protocols, internet technology, and Windows services.… more
    MTA (11/22/25)
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  • Information System Security Officer,…

    Lockheed Martin (Herndon, VA)
    …experience with industry standard Information Assurance tools\. \- Technical familiarity with Windows or UNIX\-based operating systems , and their security ... obtain a CI polygraph\.** This position will perform duties as an Information Systems Security Officer at the Lockheed Martin Space facility in Herndon, Virginia\.… more
    Lockheed Martin (01/09/26)
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  • Systems Administrator

    Lockheed Martin (Herndon, VA)
    …servers, Apache servers, DNS servers and Domain controllers * Apply server patches and operating system updates in a timely fashion as defined by the Information ... an interval agreed upon with the Sponsor * Perform system hardening of Linux systems according to...team, demonstrated experience in all the following: Linux servers, Windows servers, Oracle database servers, DNS servers, Domain controllers,… more
    Lockheed Martin (01/11/26)
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  • Systems Engineer Skunk Works Level 3

    Lockheed Martin (St. Mary's County, MD)
    system functionality\. Actively contribute in the team developing several systems including System Integration Labs, Deployable Shelters, and Fixed ... as they arise\. Actively contribute as part the Hardware Engineering team, developing systems including System Integration Labs \(SILs\), Deployable Systems ,… more
    Lockheed Martin (01/09/26)
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  • Systems Network Administrator (SNA-2)

    Leidos (Laurel, MD)
    …and manage Linux, UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, et al. + ... **Description** **Leidos** has a new and exciting opportunity for a ** Systems Network Administrator** in our **National Security Sector's (NSS) Cyber & Analytics… more
    Leidos (11/18/25)
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  • Modernization Cyber Systems Administrator…

    Lockheed Martin (Hanover, MD)
    …and manage UNIX and Windows \(or other applicable\) operating systems and installs/loads operating system software, troubleshoot, maintain integrity ... of and configure network components, along with implementing operating systems enhancements to improve reliability and performance * Provide Tier 1 \(Help Desk\)… more
    Lockheed Martin (01/08/26)
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  • Senior Systems Engineer Lead

    T and T Consulting Services (Brunswick, GA)
    …configuration, administration, patching, upgrading, decommissioning, and troubleshooting of server operating systems and supporting tooling. + Support compute ... and maintain hardening baselines and security best practices for server operating systems and enterprise applications, including documenting and processing… more
    T and T Consulting Services (01/11/26)
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  • Desktop Support Specialist III - PACS Imaging…

    Mount Sinai Health System (New York, NY)
    …excellent troubleshooting skills with Hardware and software + Expert knowledge of all Windows Operating Systems + Expert knowledge supporting and ... five years of experience in a helpdesk, desk side, application , or systems support role. **OR** 1....System is one of the largest academic medical systems in the New York metro area, with more… more
    Mount Sinai Health System (01/03/26)
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  • Virtualization System Engineer

    Synergy ECP (Annapolis Junction, MD)
    …policies, and configuration guidelines. + Develops and maintains a comprehensive operating system hardware and software configuration database/library of all ... similar scope, type and complexity is required. Bachelor's degree in System Engineering, Computer Science, Information Systems , Engineering Science, Engineering… more
    Synergy ECP (10/22/25)
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