• Messaging & Collaboration Systems

    FGS, LLC (Suitland, MD)
    Messaging & Collaboration Systems Administrator Suitland (ONI), MD **Citizenship:** Requires US Citizenship **Employment Term and Type:** Regular, Full Time ... **Required Security Clearance:** TS / SCI **Required Education:** High School or equivalent...$150,000 to $175,000 **Job Description:** The Messaging & Collaboration Systems Administrator will support the Office of… more
    FGS, LLC (06/04/25)
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  • Network & Computer Systems

    SMX (Patuxent River, MD)
    Network & Computer Systems Administrator - Basic ( TS to TS / SCI ) (3310)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX ... is seeking a skilled **Network** **and** **Computer Systems Administrator ** tobe part of ourInformation Technology...classified information + Ability to maintain a Top Secret / SCI eligible Clearance +… more
    SMX (08/08/25)
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  • ServiceNow Systems Administrator

    SAIC (Annapolis Junction, MD)
    …be substituted for the degree + Minimum of 9 years of experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is ... + Provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems + Manage IT...and performance **Qualifications** + Must currently hold an Active TS / SCI and Poly clearance + Bachelor's degree,… more
    SAIC (08/07/25)
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  • Sr. Systems Administrator TS

    Leidos (Annapolis Junction, MD)
    …May possess a Doctorate in technical domain. + Must have ​experience as a systems administrator providing direct support to end users and technical staff ... day or short duration travel, if needed. + **Clearance Required: Must have TS / SCI with Polygraph.** **Preferred Qualifications:** + Proficiency with SQL Server… more
    Leidos (07/23/25)
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  • Systems Administrator III

    Sierra Nevada Company, LLC (Hagerstown, MD)
    …skills with an attention to detail + **The ability to obtain and maintain a Top Secret with SCI eligibility US Security Clearance is required** ​ ... for developing innovation solutions? Join our team! As a Systems Administrator III, you will be using...position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (07/21/25)
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  • Monitoring & Log Management Systems

    FGS, LLC (Suitland, MD)
    …to support mission-critical systems in a high-security environment. + TS / SCI clearance. **Desired Qualifications:** + Splunk Core Certified Power User ... Monitoring & Log Management Systems Administrator Suitland (ONI), MD **Citizenship:**...Term and Type:** Regular, Full Time **Required Security Clearance:** TS / SCI **Required Education:** High School or equivalent… more
    FGS, LLC (06/04/25)
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  • Systems Administrator

    ManTech (Hanover, MD)
    ManTech seeks a motivated, career- and customer-oriented ** Systems Administrator ** to join our team in **Hanover, MD.** The team delivers enterprise ... and on-premise contexts **Minimum Qualifications:** + 14+ years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of… more
    ManTech (08/02/25)
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  • Windows Systems Administrator

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

    Northrop Grumman (Linthicum Heights, MD)
    … system environments + Candidates must have a current DOD ** Top ** ** Secret ** levelsecurity clearance, to include ** SCI access** and a recent **Polygraph** ... Northrop Grumman Classified Solutions is seeking a well-qualified **Linux Systems Administrator ** to join its dynamic team...not a virtual position._** **Candidates MUST possess a current TS / SCI to include a current and recently… more
    Northrop Grumman (05/21/25)
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  • Sr. Principal VMware Systems

    Northrop Grumman (Annapolis Junction, MD)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Mission Systems is seeking an expert VMWare systems administrator to join its dynamic team...Access Requirements:_ + Candidates must have a current DoD ** Top ** ** Secret ** level security clearance (adjudicated within… more
    Northrop Grumman (07/08/25)
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