• System Administrator

    ManTech (Annapolis Junction, MD)
    …and maintain productivity. + Monitor and manage all installed systems and infrastructure diligently, taking direction from senior personnel to ensure optimal ... **ManTech seeks a motivated, career and customer-oriented System Administrator II to join our team at our Annapolis Junction, MD location.** **Responsibilities… more
    ManTech (09/05/25)
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  • System Administrator

    ManTech (Fort Meade, MD)
    **ManTech** seeks an experienced and passionate, career and customer-oriented **System Administrator ** to join our team located in the **Ft. Meade, MD** area. ... and delivering briefings, technical presentations, and program documentation to senior program management **Minimum Qualifications:** + 10 years related experience… more
    ManTech (11/03/25)
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  • Senior IT Infrastructure Support…

    CACI International (Hanover, MD)
    Senior IT Infrastructure Support Specialist-ICAM & PKI Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with ... (8 hours per day).** **Responsibilities:** + Monitor and maintain critical IT infrastructure systems including servers, storage, and network components + Provide… more
    CACI International (11/13/25)
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  • 339 - Senior Network Engineer

    ARSIEM (Laurel, MD)
    …of Cyber Range consisting of 10s to 100s of VMs, physical and virtual network devices, and firewalls utilizing Infrastructure as Code (IaC), Terraform, Ansible, ... will support one of our government clients in Laurel, MD. Responsibilities + Provide network and systems administrator support to the Defensive Network more
    ARSIEM (11/04/25)
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  • Systems Engineer, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Meade, MD)
    …may not be readily available in production environments + Experience as a network administrator or systems engineer + Experience with Assured Compliant ... Systems Engineer, Senior The Opportunity: Are you looking for an...expertise in support of cyberspace operations? As a Systems Administrator , you'll have the chance to build your expertise… more
    BOOZ, ALLEN & HAMILTON, INC. (11/06/25)
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  • Unified Communications Engineer - Senior

    Amentum (Fort Meade, MD)
    …Cyber Division is assembling a team to support a program that provides critical network capabilities to the Department of Defense. We are committed to recruiting and ... and processes. **Responsibilities:** The duties and responsibilities of the **UC Engineer Senior ** include, but are not limited to, the following: * Responsible for… more
    Amentum (09/30/25)
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  • Senior System Integrator Engineer (TS/SCI)

    Vexterra Group (Bethesda, MD)
    …support in Reston VA or Bethesda, MD office: You will work closely with other infrastructure and network engineers, system engineers and O&M team members on the ... Vexterra Group is currently searching for a Senior Systems Integrator Engineer to provide the following...Chef, Puppet) * Design, develop, and support scalable, redundant infrastructure to include physical and virtualized environments * Set… more
    Vexterra Group (10/14/25)
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  • System Engineer (TS/SCI)- Senior or Mid…

    Vexterra Group (Bethesda, MD)
    …Microsoft Certified Solutions Expert (MCSE) Certification or MCSA (Microsoft Certified System Administrator ) + Experience with SAN or network storage setup and ... Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions Division (ASD) to support the National… more
    Vexterra Group (10/14/25)
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  • Systems Security and Network Security…

    BOOZ, ALLEN & HAMILTON, INC. (Lexington Park, MD)
    …the complexities of security with a wide variety of audiences, including senior management. + Implement infrastructure and cyber security controls, including ... Systems Security and Network Security Engineer The Opportunity: Are you looking...If You Have: + Experience as an Operating System Administrator , Systems Engineer, Requirements Analyst, Information Systems Security Officer,… more
    BOOZ, ALLEN & HAMILTON, INC. (11/17/25)
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  • FLEX Senior Systems Engineer - M365 AI…

    Marriott (Bethesda, MD)
    …**JOB SUMMARY** Reporting to the Director - Technology Workplace Products, the Senior Systems Engineer for M365 AI Powered Productivity leads the development and ... both strategic thinking and hands-on engagement with delivery teams. The Senior Systems Engineer owns the engineering, security, and operational reliability of… more
    Marriott (11/07/25)
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