• Senior Systems Administrator 10k sign…

    Leidos (Annapolis Junction, MD)
    …**Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **Intelligence Sector's (NSS) Cyber & Analytics Business Area (CABA)** ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (11/15/25)
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  • MAF DMO Systems Administrator

    Huntington Ingalls Industries (Orlando, FL)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $76,145.00 - $110,000.00 Security Clearance : Secret Level of Experience: Mid This opportunity resides with ... a division of Huntington Ingalls Industries, is seeking a skilled Systems Administrator to support the Mobility Air Forces Distributed Mission Operations (MAF DMO)… more
    Huntington Ingalls Industries (01/10/26)
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  • Systems Administrator

    ManTech (Laurel, MD)
    MANTECH seeks a motivated, career and customer-oriented Windows System Administrator to join our team in Laurel, MD. **Responsibilities include, but are not limited ... including day-to-day operations, monitoring, and problem resolution for all the clients/servers/ network devices. + Provide support for the patching systems and… more
    ManTech (01/06/26)
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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 ... within a Windows ecosystem. + Operate and manage jump (bastion) hosts for network segregation and secure remote access. + Coordinate with development and support… more
    M. C. Dean (11/26/25)
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  • Systems Administrator / Information Systems…

    Guidehouse (Arlington, VA)
    …Family** **:** Operational Effectiveness Consulting **Travel Required** **:** Up to 10% ** Clearance Required** **:** Active Secret **What You Will Do** **:** We are ... seeking a Systems Administrator / Information Systems Engineer in support of the...incorporate and maintain them on the Marine Corps Enterprise Network (MCEN). In this position, you will be required… more
    Guidehouse (01/08/26)
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  • Junior System Administrator

    Tyto Athene (Wright Patterson AFB, OH)
    …Tyto Athene is searching for a detail-oriented and proactive mid level **System Administrator ** to join our team. The ideal candidate will have 3-5 years of ... **Responsibilities:** + Install, configure, and maintain hardware, software, and network systems. + Monitor system performance, troubleshoot issues, and apply… more
    Tyto Athene (01/03/26)
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  • System Administrator

    System One (Quantico, VA)
    System Administrator Quantico, VA - ONSITE Compensation: $125,000 annually Security Clearance : Active TS/SCI is required Major Duties & Responsibilities: * Plan, ... including physical and virtual servers, storage area networks and network attached storage on five enclaves. * Install, maintain,...field desired. * Must be certified at IAT Level II (eg, Security+, or other certification satisfying DoD 8570… more
    System One (12/26/25)
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  • TS/SCI Systems Administrator

    Insight Global (Dayton, OH)
    …Description An employer in the Dayton, OH area is seeking a TS/SCI Systems Administrator for a contract to hire opportunity. This individual will be responsible but ... the following: join a team made up of Systems, Network and Storage admins to support multiple networks in...or office 5 days/week and have an active TS/SCI clearance . We are a company committed to creating diverse… more
    Insight Global (01/09/26)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    Cross Domain Solutions Administrator (ONI) Suitland, MD **Requires US Citizenship** **Employment Term and Type: Regular, Full Time** **Required Security Clearance ... compliance patching, software and hardware transitions, firmware updates, system and network troubleshooting, and system integration of Unix and Linux operating… more
    FGS, LLC (11/22/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers across ... new standards, policies and procedures. Incumbent in this job works closely with Network and Systems Analysts to help determine and develop the systems that will… more
    SAIC (11/19/25)
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