• Senior Systems Administrator

    Exeter Government Services, LLC (Miami, FL)
    SCITES - Senior System Administrator Location: Doral, FL Required Clearance: TS or Secret w/SSBI (Tier 5 Investigation) Certifications: DoDM 8570 IAT ... years of System Admin experience Position Description: Exeter Government Services is seeking a Senior Systems Administrator (SA) to work for SOUTCOM on a newly… more
    Exeter Government Services, LLC (09/07/25)
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  • Senior Database Administrator

    ManTech (Reston, VA)
    …systems deployed worldwide **Clearance Requirements:** + Must possess an active/current Top Secret security clearance. **Physical Requirements:** + Must be ... **ManTech** seeks a motivated, career and customer-oriented ** Senior Database Administrator ** to join our...and related technologies + Significant experience working in a Linux environment and strong scripting experience (Bash, SQL, etc.)… more
    ManTech (09/01/25)
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  • Systems Administrator Principal

    General Dynamics Information Technology (Fort Belvoir, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... At GDIT, people are our differentiator. As a Systems Administrator Senior you will help ensure today...II (eg, CompTIA Security+ CE) + Required: Fully adjudicated Secret security clearance w/ TS /SCI eligibility GDIT IS… more
    General Dynamics Information Technology (09/30/25)
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  • Cleared Senior System Administrator

    General Atomics (Durham, NC)
    …in! General Atomics Integrated Intelligence is looking for an experienced Cleared System Administrator with a Top Secret /SCI clearance to provide on-site ... and networking equipment + Install and maintain software applications on various Linux and Windows-based operating systems + Provide routine hardware and software… more
    General Atomics (09/11/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a ** Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . This ... Provide expert support in the administration and maintenance of the Enterprise Linux infrastructure + Provide support in information security system requirements and… more
    Leidos (07/29/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    Senior System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... highest standards of service and reliability. We're looking for a skilled System Administrator to join our team and help maintain, troubleshoot, and optimize a wide… more
    CACI International (08/01/25)
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  • Senior Cloud System Administrator

    ManTech (Hanover, MD)
    ManTech seeks a motivated, career- and customer-oriented **Sr** **Cloud System Administrator ** to join our team in **Hanover, MD.** Our team delivers enterprise ... incidents and performing root cause analysis + Administer and troubleshoot various Linux distributions (eg, Ubuntu, CentOS, RHEL) within both cloud and on-premise… more
    ManTech (09/10/25)
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  • Splunk Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Honolulu, HI)
    …Ability to brief technical and non-technical senior leadership on complex issues + Top Secret clearance + Bachelor's degree in a technology field + Splunk ... Splunk Systems Administrator The Opportunity: Your combination of people skills...and data usability + Experience with Red Hat Enterprise Linux ( RHEL ) operating systems and system administration… more
    BOOZ, ALLEN & HAMILTON, INC. (09/30/25)
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  • (Mid. or Senior ) System…

    Belay Technologies (Annapolis Junction, MD)
    …in 2020 and a finalist in 2021! Belay Technologies is seeking a System Administrator to join our team. The selected individual will be responsible for maintaining ... regarding recommended resolution options Candidates should have the following qualifications: + TS /SCI Clearance with polygraph within the past 6 yrs., no CCAs +… more
    Belay Technologies (10/01/25)
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  • Senior High Performance Computing (HPC)…

    BAE Systems (Saratoga Springs, UT)
    …incentives may be available based on position level and/or job specifics. ** Senior High Performance Computing (HPC) Systems Administrator ** **116840BR** EEO ... large client-server based IT enterprise in installation, configuration, and networking of Linux and Windows based platforms. + Oversee servers running Red Hat,… more
    BAE Systems (10/03/25)
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