• Systems Administrator ( TS

    EchoStar (Germantown, MD)
    …has an exciting opportunity for a **System Administrator ** with ** TOP SECRET ** clearance in our Defense and Government Systems Division Information ... **Education and Experience:** + BA/BS degree in Computer Science, Information Systems , Information Technology, related...capable of obtaining and holding a US government DoD/DoW Top Secret clearance with SCI more
    EchoStar (11/11/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Aberdeen Proving Ground, MD)
    …RQ207400 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret / SCI **Public Trust/Other Required:** None **Job Family:** IT ... Infrastructure and Operations **Skills:** Information Technology (IT) Systems ,Process Improvements,System Administration **Experience:** 10 + years of related… more
    General Dynamics Information Technology (11/08/25)
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  • Systems Administrator 3 - 23829 (FS…

    Huntington Ingalls Industries (Fort Meade, MD)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $87,990.00 - $144,500.00 Security Clearance: TS / SCI with Poly Level of Experience: Mid This opportunity ... resides with Warfare Systems (WS), a business group within HII's Mission Technologies...Previous experience working at or with Intelligence Community + TS / SCI clearance with Full Scope Poly Physical… more
    Huntington Ingalls Industries (10/07/25)
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  • Senior Systems Administrator

    Belay Technologies (Annapolis Junction, MD)
    …to improve reliability and performance. Candidates should have the following qualifications: + TS / SCI with Full Scope poly is required. + Bachelor's Degree in ... in 2020 and a finalist in 2021! Belay Technologies seeks a Senior System Administrator (SA) to join our intel team. The SA provides support for implementation,… more
    Belay Technologies (11/19/25)
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  • Linux Systems Administrator

    ManTech (Laurel, MD)
    …with JIRA ticketing system **Clearance Requirements:** + Must have a current active Top Secret / SCI with Polygraph **Physical Requirements:** + The candidate ... **MANTECH** seeks a motivated, career and customer-oriented **Linux** **System Administrator ** to join our team in **Laurel, MD** at Emerson 8. **Responsibilities… more
    ManTech (11/26/25)
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  • 337 - Senior Linux Systems

    ARSIEM (Annapolis Junction, MD)
    …Original Posting Date: 2025-10-29 Clearance Requirement: This position requires an active TS / SCI with a polygraph. You must be a US Citizen ... you work with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides end-to-end software, systems ,… more
    ARSIEM (10/30/25)
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  • Systems Administrator Expert

    General Dynamics Information Technology (Annapolis Junction, MD)
    …ID:** RQ210149 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... Description:** Provides support for implementation, troubleshooting and maintenance of information Technology (IT) systems . Manages IT system infrastructure… more
    General Dynamics Information Technology (11/08/25)
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  • Modernization Cyber Systems

    Lockheed Martin (Hanover, MD)
    …being used for contingent offers\. \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph SA2: * A High ... deployments with common hypervisors such as VMware, proxmox, or openstack **Clearance Level:** TS / SCI w/Poly SP **Other Important Information You Should… more
    Lockheed Martin (10/10/25)
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  • System Administrator

    Leidos (Bethesda, MD)
    …has an exciting opening for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center under our 10-year DOMEX Technology ... of relevant professional experience + Must have an active Top Secret security clearance with the ability...clearance with the ability to obtain and maintain a TS / SCI with Polygraph security clearance + Experience… more
    Leidos (10/01/25)
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  • Sr. System Administrator II (Temp)

    RTX Corporation (Annapolis Junction, MD)
    …some unclassified work will also be required. We're looking for an experienced Systems Administrator to join our team supporting critical operations in both ... only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: TS / SCI At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (11/19/25)
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