• 337 - Senior Linux Systems Administrator

    ARSIEM (Annapolis Junction, MD)
    …for a small, diverse team that provides end-to-end software, systems, and network engineering services to support Integrated Discovery Operations (IDO). You ... and reliability, reduce latency, and optimize performance, while maintaining the security posture. This position will support one of our government clients… more
    ARSIEM (10/30/25)
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  • Next Generation Desktop Environment (NGDE)…

    General Dynamics Information Technology (Annapolis Junction, MD)
    …implementing, and documenting formal configuration guides as needed + Providing security controls and maintaining necessary network /data separation + Ensuring ... **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Linux Environments,Systems Engineering,Systems Software **Experience:** 8 +… more
    General Dynamics Information Technology (10/08/25)
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  • PPSM Cyber Analyst

    Leidos (Odenton, MD)
    …(IT-related field preferred) and (5) years of overall experience in cybersecurity or network security position. Additional experience may be considered in lieu ... eMASS, and DISA DMZ Whitelist processes + Demonstrable experience with network security , ports/protocols, firewalls, and boundary protection + Understanding… more
    Leidos (10/01/25)
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  • Manager Information Technology 3

    Northrop Grumman (Linthicum Heights, MD)
    …Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological ... By joining in our shared mission, we will support yours of expanding your personal network and developing skills, whether you are new to the field or an industry… more
    Northrop Grumman (11/18/25)
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  • Quality Assurance Linux Administrator

    Assertive Professionals (Hanover, MD)
    …the Department of Defense, Intelligence Community, and Department of Homeland Security in accomplishing their missions worldwide, through an employee centric culture ... in search of aQuality Assurance Linux Administrator to support orNational Security CustomernearHanover, MD. This is a Funded and Immediate position! The… more
    Assertive Professionals (09/25/25)
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  • Information Technology Customer Support Specialist

    KBR (Bethesda, MD)
    …Customer Support Specialist Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions ... to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's most critical role -… more
    KBR (08/21/25)
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  • Deployment Technician IV - Pipeline (TS/SCI w/…

    COMSO, Inc (Fort Meade, MD)
    …post installation operations and maintenance support. + Organizes and directs network installations on site surveys. + Assesses and documents current site ... development proficiency, innovative learning solutions for workforce development, and exceptional operations and production support. We were founded in 1988, and… more
    COMSO, Inc (09/02/25)
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  • Manager, Vulnerability Management

    Marriott (Bethesda, MD)
    …findings, and potential remediation actions. This role requires a working knowledge of security and network protocols, system and network administration, and ... assure the inclusion of appropriate elements of quality and compliance with security policy and regulations. The role will provide assistance with enterprise… more
    Marriott (11/18/25)
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  • ISSE

    Lentech, Inc (Hanover, MD)
    …principles and technologies. Access/control, Authorization, Identification and authentication, PKI Network and enterprise security architecture are required. ... interested in tackling some of the nation's most critical challenges in systems security and vulnerability? Would you consider joining a leading team dedicated to… more
    Lentech, Inc (11/12/25)
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  • Information Assurance - Cybersecurity

    Noblis (Bethesda, MD)
    …Maryland.** A successful candidate will be at the forefront of cutting-edge security operations to tackle offensive and defensive cyber challenges. They'll ... or Kali Linux for penetration testing and exploit development. + Understanding of network security protocols, web application security , and techniques like… more
    Noblis (10/14/25)
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