• ERP International (Washington, DC)
    …International, LLC** ( www.erpinternational.com ) is currently seeking a ** Systems Administrator ** with a strong background in patch management and utilizing ... Concierge Services!** Unlimited Job- Related Training & Development!** Employee Recognition & Incentive Programs!** Employee Appreciation & Company Sponsored… more
    DirectEmployers Association (01/15/26)
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  • Sr . Systems Administrator

    Arena Technical Resources, LLC (Washington, DC)
    …system (DBMS) products . Address all vulnerabilities identified via system scanning Systems Administrator Senior Advisor Requirements and Qualifications . ... Sr . Systems Administrator Location:.... Secret Clearance to start Required Technical Skills: . Senior Level system administrator skills required .… more
    Arena Technical Resources, LLC (10/25/25)
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  • Sr . Systems Administrator

    Themis Insight (Fort Meade, MD)
    …Public and Private, Civilian and Military expertise to every case. We are hiring a Sr . Systems Administrator (Linux) to work in Fort Meade, MD. Position ... modifying, disabling, and removing accounts. + Implement IAVA security patches and insure patch status is recorded in appropriate systems of record. + Provide… more
    Themis Insight (12/19/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, 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 Systems Administrator to provide...General IT knowledge to install OS and configure devices, patch vulnerabilities. + Windows Active Directory - Run domain… more
    CACI International (12/02/25)
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  • Senior Windows Systems

    Leidos (Arlington, VA)
    Systems Security Certified Practitioner (SSCP) ) Training (DISA-US1390 DCWF Windows Systems Administrator ). + Expert knowledge of Windows Active Directory ... Leidos Digital Modernization Sector is seeking a **_Senior Windows Systems Administrator_** in support of the Air Force National...in lieu of a degree. + 6+ years of Senior level experience in Windows server (Server OS 2019,… more
    Leidos (01/07/26)
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  • Senior ServiceNow Administrator

    CACI International (Arlington, VA)
    Senior ServiceNow Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular ... * * * **The Opportunity:** CACI are seeking a Senior ServiceNow Administrator to provide advanced operations...**Qualifications:** _Required:_ * Bachelor's degree in Computer Science, Information Systems , or a related field. * 15+ years of… more
    CACI International (12/02/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux ... oversees the installation, configuration, maintenance, and integrity of computing systems and software. The role involves planning, ensuring long-term system… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Linux System Administrator - Senior

    Nightwing (Sterling, VA)
    …community, defense, civil, and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program in the Sterling VA ... location. The qualified Systems Administrator will support a very dynamic...patch management with the ability to integrate these systems to support organizational requirements + Experience with administering… more
    Nightwing (12/20/25)
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  • Systems Administrator

    ManTech (Fort Meade, MD)
    **MANTECH** seeks an experienced and passionate, career and customer-oriented **System Administrator ** to join our team in **Ft. Meade, MD.** **Responsibilities ... but are not limited to:** + Creating and managing virtual environments + Systems administration of hardware and software in support of maintenance, developing and… more
    ManTech (12/31/25)
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  • Systems Administrator

    ManTech (Fort Meade, MD)
    **MANTECH** seeks an experienced and passionate, career and customer-oriented **System Administrator ** to join our team in Ft. Meade, MD. **Responsibilities include ... but are not limited to:** + Creating and managing virtual environments + Systems administration of hardware and software in support of maintenance, developing and… more
    ManTech (12/28/25)
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  • Senior IT Support Specialist / Support Lead

    IT Concepts (Mclean, VA)
    …innovation, and achieve extraordinary milestones. Kentro is hiring a highly skilled Senior IT Support Specialist / Support Lead to strengthen our IT operations, ... updates, firmware upgrades, and system maintenance cycles across all critical systems . + Configure, manage, and troubleshoot Microsoft 365, Entra ID, Intune,… more
    IT Concepts (12/24/25)
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  • System Engineer (TS/SCI)- Senior or Mid…

    Vexterra Group (Bethesda, MD)
    Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions Division (ASD) to support the ... analyzes existing infrastructure for tuning/performance enhancements. The individual will provide systems and software operations and maintenance support in a large,… more
    Vexterra Group (01/13/26)
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  • Senior Installation Technician w/TS/SCI CI…

    TekSynap (Washington, DC)
    …aproventrack recordin the deployment and maintenance of extensive global networks and systems , complemented by a thorough grasp of IC ITE services. + ... TheSenior Installation Technicianis expected tobe able to: + Install equipment, systems , and supervises installation and assembly work done by other technicians.… more
    TekSynap (11/06/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …to get a preview of the full benefits package. Saliense is now hiring a Senior Technical Consultant (Principal Network Systems Engineer) to join our team in ... must be eligible to obtain a Top Secret clearance. The Principal Network Systems Engineer will be responsible for leading day-to-day operations management as well as… more
    Saliense Consulting (01/06/26)
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  • IT Security Specialist (Computer Sys Security…

    Huntington Ingalls Industries (Arlington, VA)
    …+ Responsible for primary or alternate management of all IT Security systems including patch management, upgrades, integration engineering, and reporting. + ... - $160,000.00 Security Clearance: Ability to Obtain Level of Experience: Senior This opportunity resides with Global Security (GS). Mission Technologies' Global… more
    Huntington Ingalls Industries (01/13/26)
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