• Senior Windows Systems Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows ... Systems Administrator leads complex system administration and...operations. + Resolve complex technical issues and provide Tier 3 support as necessary. + Implement and enforce ARL… more
    Black Bear Technology Solutions, LLC (08/23/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... * **The Opportunity:** **CACI** is seeking a **Senior Linux Systems Administrator ** to provide support for implementation,...degree. + CWIP IAT 2. CWIP YRS experience IAT 3 + Mastery of the functional requirements functions of the… more
    CACI International (09/25/25)
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  • System Administrator 3

    DCCA (Annapolis Junction, MD)
    …compensation and benefits package. Visit our website at: www.dcca.com System Administrator 3 Candidate must have an active TS /SCI w/ Poly For over 40 ... System Administrator 3 Location Annapolis Junction, MD...dedication to excellence. Key Tasks: DCCA is looking for TS /SCI w/Polygraph cleared Systems Administrators with Linux… more
    DCCA (08/18/25)
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  • Systems Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Meade, MD)
    Systems Administrator , Senior The Opportunity: Are you...+ Ability to be flexible for shift work + TS /SCI clearance with a polygraph + HS diploma or GED ... technical expertise in support of cyberspace operations? As a Systems Administrator , you'll have the chance to...of experience with Information Technology, or Bachelor's degree and 3 + years of experience with Information Technology + Linux+… more
    BOOZ, ALLEN & HAMILTON, INC. (09/09/25)
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  • Systems Administrator

    William C Brown Inc (Springfield, VA)
    Systems Administrator EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without ... protected by law. Description WCBinc is looking for a Systems Administrator to join our team to...remote resolution support for trouble calls, and provide TIER 2/ 3 support of Unix/Windows workstations and servers, including Web… more
    William C Brown Inc (07/16/25)
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  • System Administrator Level 3

    Jovian Concepts, Inc. (Annapolis Junction, MD)
    Jovian Concepts, Inc is looking to hire a System Administrator Level 3 for a great opportunity in the Annapolis Junction area. This role requires a TS /SCI ... for implementation, troubleshooting and maintenance of Information Technology (IT) systems .Manages IT system infrastructure and any processes related to...+ Redhat kvm + Puppet + ldap The Level 3 System Administrator (SA) shall possess the… more
    Jovian Concepts, Inc. (09/24/25)
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  • Senior High Performance Computing (HPC)…

    BAE Systems (Annapolis Junction, MD)
    …position level and/or job specifics. **Senior High Performance Computing (HPC) Systems Administrator ** **115702BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** At BAE Systems , we promote a strong, collaborative culture and...management, enterprise-leve, multi-site design and architecture + Support Tier 3 Infrastructure services such as: DNS, NIS, Active Directory,… more
    BAE Systems (09/09/25)
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  • Sr. ArcGIS Administrator

    Leidos (Fort Belvoir, VA)
    … 3 + years' combined experience with SQL and Python. + Must hold a Top Secret /SCI Clearance **FACTORS TO HELP YOU SHINE:** **(** **_Required Skills_** **)** ... System (ServiceNow, Jira). Selected candidate must have a current TS /SCI * **The anticipated salary range for this position...releases of Esri product lines. + Upgrade ArcGIS Enterprise systems to the applicable or latest versions. + Perform… more
    Leidos (10/01/25)
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  • Exchange Systems Administrator SME

    Leidos (Alexandria, VA)
    …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 ... a person with subject matter expertise administering Exchange and email retention systems within a physical and virtual server environment. Duties include examining… more
    Leidos (07/23/25)
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  • Systems Administrator (Tier 2…

    William C Brown Inc (Springfield, VA)
    Systems Administrator (Tier 2 Desktop Support) EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration ... protected by law. Description WCBinc is looking for a Systems Administrator (Tier 2 Desktop Support) to...other ISP Contractor Stakeholders when IT issues require Tier 3 escalation or have dependencies external to the UDS… more
    William C Brown Inc (08/14/25)
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