• Network Security Administrator

    TekSynap (Pensacola, FL)
    …The **Network Security Administrator ** is responsible fornetwork boundary protection, cybersecurity posture, and accreditation oversight of IT systems across ... Command (NMOTC) Enterprise. This role ensures compliance with DoD cybersecurity policies, oversees network security operations, and supports system accreditation… more
    TekSynap (10/07/25)
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  • Database Administrator

    Leidos (Adelphi, MD)
    …database solutions for ISCM, leveraging their experience with Relational Database Management Systems and cybersecurity systems . Key responsibilities include: ... at Leidos currently has an opening for a Database Administrator . This is an exciting opportunity to use your...of the CSSP's mission, the team maintains the Information Systems Continuous Monitoring (ISCM) solution which uses a Relational… more
    Leidos (12/05/25)
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  • Sr. Systems Administrator

    RTX Corporation (Tucson, AZ)
    …technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Senior System ... Administrator ** , internally known as Senior Analyst, Information Workplace...infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat… more
    RTX Corporation (12/29/25)
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  • Advisory Systems Administrator

    Frontier Technology Inc. (Los Angeles, CA)
    …read/write PowerShell scripts Preferred: + Bachelor's degree in Information Technology, Cybersecurity , or Information Systems from an ABET-accredited or ... more about you. We are hiring an Advisory System Administrator to support one of our United States Navy...applications, and providing ongoing support and administration of the systems . Take the next step in your career and… more
    Frontier Technology Inc. (12/18/25)
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  • Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and skilled **Senior Systems Administrator ** to join our sustainment team in **Chantilly, VA.** In this role, you will support a ... are not limited to:** + Provide hands-on O&M support for enterprise systems , including break-fix resolution and routine sustainment tasks + Monitor system… more
    ManTech (12/13/25)
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  • Intermediate Classified Systems

    The MITRE Corporation (Bedford, MA)
    …Department Summary: MITRE's Classified Enterprise Infrastructure is looking for a Junior Systems Administrator . A successful candidate will be delivering timely, ... the government create lasting impact in fields as diverse as cybersecurity , healthcare, aviation, defense, and enterprise transformation. We're making a difference… more
    The MITRE Corporation (11/01/25)
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  • Linux Dev/Ops Systems Administrator

    Synergy ECP (Annapolis Junction, MD)
    Linux Dev/Ops Systems Administrator 1 (SW support) Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) Description We are searching ... MD, our talented, dedicated staff provide a broad range of services in cybersecurity , software, data transport solutions, systems engineering, and IT services to… more
    Synergy ECP (10/22/25)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Reston, VA)
    …Experience automating deployments and configuration management. + Experience as a network administrator or systems engineer. + Experience in using Active ... innovative solutions to enable secure and reliable operations of enterprise computer systems . Develop new concepts and processes and analyze root causes and resolve… more
    ENS Solutions (12/27/25)
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  • Linux Administrator - ACAS

    CACI International (Springfield, VA)
    Linux Administrator - ACAS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... contract with the National Geospatial-Intelligence Agency (NGA) for Transport & Cybersecurity Services (TCS) contract. The functional capabilities are to provide the… more
    CACI International (11/10/25)
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  • Senior Network Administrator

    ManTech (Key West, FL)
    …certifications. **Desired Qualifications:** + Master's degree in a network engineering, cybersecurity , or information systems , or a related field. Experience ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Network Administrator ** to join our team in **Key West, FL** . **Responsibilities include but… more
    ManTech (12/30/25)
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