• System Administrator I

    General Dynamics Information Technology (Annapolis Junction, MD)
    …ID:** RQ201595 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... **Job Family:** IT Infrastructure and Operations **Skills:** Information Technology (IT), Information Technology (IT) Systems,Operating Systems (OS),Problem… more
    General Dynamics Information Technology (07/31/25)
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  • System Administrator 1

    CACI International (Fort Meade, MD)
    System Administrator 1 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee ... right person to join our team as a System Administrator in the Fort Meade, MD area! In this...and perform system capacity analysis and planning **Qualifications:** + TS / SCI w/POLY + Five (5) or more… more
    CACI International (08/14/25)
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  • System Administrator

    System One (Springfield, VA)
    …Type: Contract To Hire Contractor Work Model: On-site - Full Time Security Clearance: TS / SCI with the eligibility to obtain a CI Poly Contact: ###@altaits.com ... The Systems Administrator will work closely with both on-site and remote...equivalent combination of education and years of experience. + TS / SCI Clearance required and eligibility to obtain… more
    System One (09/16/25)
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  • Principal System Administrator - Network…

    RTX Corporation (Springfield, VA)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with Poly - Current At Raytheon, the foundation of everything ... of 5 years experience. + Must have active and transferable US government issued ** TS / SCI with poly security clearance** is required prior to start date. US… more
    RTX Corporation (09/07/25)
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  • System Administrator Level 3

    Jovian Concepts, Inc. (Annapolis Junction, MD)
    …3 for a great opportunity in the Annapolis Junction area. This role requires a TS / SCI Clearance with Polygraph to be considered. No CCA's will be accepted at ... server hardware, applications and software integration. Qualifications: + An active and current TS / SCI Clearance with Polygraph is required to be considered. +… more
    Jovian Concepts, Inc. (09/24/25)
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  • Exchange Systems Administrator SME

    Leidos (Alexandria, VA)
    …+ Experience with server patch management methodologies utilizing SCCM **Clearance** + An active TS / SCI with polygraph is required for this position or TS / ... you can thrive, keep reading!** **The Mission** Leidos is seeking an Exchange System Administrator to support a large enterprise IT contract for the DOD. This role… more
    Leidos (07/23/25)
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  • Cloud Systems Administrator IV

    Criterion Systems (Reston, VA)
    …Education, Skills & Technologies + Must possess an active (<= 6 years) TS / SCI with counterintelligence polygraph. + Bachelor's degree in computer science, ... supporting security audits and testing events. Security Clearance Level + TS / SCI with active counterintelligence polygraph. Certifications + Security+ or… more
    Criterion Systems (09/17/25)
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  • Quality Assurance Linux Administrator

    Assertive Professionals (Hanover, MD)
    …Number AP--24-00023 Location Hanover, Maryland Full-Time/Part-Time Full-Time Minimum Clearance TS / SCI with Polygraph Timeline Open Description Assertive ... Quality Assurance Linux Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is...operating system and installs Required Experience and Qualifications: + TS / SCI with aPolygraph + Nine (9) years… more
    Assertive Professionals (09/25/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    …+ Experience with NetAPP **Clearance Requirements:** + Must have a current/active Top Secret / SCI with Polygraph **Physical Requirements:** + The ... **Mantech** seeks a motivated, career and customer-oriented **Linux** **System Administrator ** to join our team in **Laurel, MD.** You will be part of a dedicated… more
    ManTech (07/23/25)
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  • Windows Systems Administrator

    Leidos (Arlington, VA)
    **Description** We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is ... be considered in lieu of degree. + **An active TS / SCI security clearance is required for this...Experience with support systems to include enclave Ethernet switches, storage area networks (SAN), and network attached storage… more
    Leidos (07/18/25)
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