• OS Administrator Windows

    CACI International (Chantilly, VA)
    …Travel: Continental US * * * **The Opportunity:** CACI is looking for an Operating Systems (OS) Administrator Windows to support the Department of the Air Force ... OS Administrator Windows Job Category: Information Technology Time Type:...implementing automated software and firmware patching, such as WSUS, SCCM , etc., for heterogeneous operating systems environments.… more
    CACI International (05/23/25)
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  • Principal System Administrator

    RTX Corporation (Portsmouth, RI)
    …security clearance **Security Clearance:** DoD Clearance: Secret + **Principal System Administrator (Splunk)- Portsmouth, RI, will sponsor a Secret clearance, we ... meaningful problems that create a safer, more secure world. **Principal System Administrator ** in Program Digital Services, collaborate with a many teams to support… more
    RTX Corporation (07/30/25)
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  • Senior Linux System Administrator

    General Dynamics Information Technology (Livermore, CA)
    …Required:** Yes **Job Description:** $10K Sign-on bonus A Senior Linux System Administrator Maintains an organization's computer systems ' workflows and is ... SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Linux,Microsoft Server Operating Systems ,Microsoft… more
    General Dynamics Information Technology (08/09/25)
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  • Principal System Administrator

    RTX Corporation (Tucson, AZ)
    …for a security clearance​ **Security Clearance:** DoD Clearance: Secret **_Principal System Administrator Tucson, AZ, must have an active secret clearance, 100% on ... technology solutions to prevent security threats, protect the integrity of our systems and support RTX IT infrastructures around the world. **Principal System… more
    RTX Corporation (08/08/25)
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  • Cybersecurity System Administrator - DMV

    M. C. Dean (District Of Columbia, DC)
    Overview MC Dean is seeking a highly skilled **Cybersecurity System Administrator ** to support a secure operational technology environment by integrating advanced ... individual with both hands-on technical expertise in managing modern enterprise IT systems and a deep understanding of federal cybersecurity frameworks and risk… more
    M. C. Dean (07/26/25)
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  • Sr. Principal MS Exchange Administrator

    Northrop Grumman (Linthicum Heights, MD)
    …Northrop Grumman Mission Systems is seeking an experienced MS Exchange Systems Administrator to join its Classified Solutions team. This position will ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...(GPO). + DNS. + Windows Server Update Servers (WSUS), SCCM , or similar update service. + Certificate Authority (CA)… more
    Northrop Grumman (06/14/25)
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  • NITE System Administrator IV

    Huntington Ingalls Industries (Virginia Beach, VA)
    …its fleet. With a holistic approach to life-cycle maritime defense systems -from small watercraft to submarines, surface combatants and aircraft carriers-HII ensures ... click here for a short video: https://vimeo.com/732533072 Summary The System Administrator for the Navy Integrated Training Environment (NITE) plays a critical… more
    Huntington Ingalls Industries (08/08/25)
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  • Senior M365 Administrator

    PSEG Long Island (Bethpage, NY)
    …and Teams * Implement and manage Microsoft 365 solutions, including migration from on-premises systems to the cloud * Provide Tier 2 support within the Microsoft 365 ... policies. * Perform reviews and/or Root Cause Analysis on production systems failures, formulate corrective action plans, ensure corrective actions are implemented,… more
    PSEG Long Island (07/02/25)
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  • Windows System Administrator (Onsite…

    RTX Corporation (Aurora, CO)
    …our RTX **Enterprise Services** team: **Role Overview** We are seeking a skilled System Administrator on Windows systems to join our IT team. The successful ... RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It… more
    RTX Corporation (07/30/25)
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  • Senior Principal System Administrator

    RTX Corporation (Mckinney, TX)
    …+ Supervising administrators whose duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance, ... and representing the organization in functional area matters. + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux… more
    RTX Corporation (07/29/25)
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