• ACAS Systems Administrator

    Leidos (Adelphi, MD)
    …and maintaining the ACAS system, which is a vulnerability assessment and security auditing tool used by many organizations, particularly within the Department of ... today! **Position Responsibilities:** + Information risk mitigation through the proper security , monitoring, sustainment, and operation of Security Center… more
    Leidos (08/09/25)
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  • Senior Microsoft Architect…

    EchoStar (Germantown, MD)
    …**EchoStar** has an exciting opportunity for a **Senior Microsoft Architect and Administrator ** in our **Hughes Network Systems** division. This position will ... technologies to present and gain consensus to improve efficiency, productivity, security , and cost. + Architect and implement enterprise-level solutions using… more
    EchoStar (08/04/25)
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  • Principal Linux Systems Administrator

    Leidos (Annapolis Junction, MD)
    …**Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics Business ... Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and… more
    Leidos (07/31/25)
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  • Senior Systems Administrator

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics ... Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods… more
    Leidos (06/03/25)
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  • System Administrator

    ManTech (Hanover, MD)
    MANTECH seeks a motivated, career-oriented **System Administrator ** to join our team in **Hanover, Maryland** . **Responsibilities include, but are not limited to:** ... (Escalation) support for problem identification, diagnosis, and resolution for client/server/storage/ network devices, mobile devices, etc + Optimize system operations,… more
    ManTech (08/08/25)
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  • System Administrator I

    General Dynamics Information Technology (Annapolis Junction, MD)
    …the client/server/storage/ network devices, mobile devices, etc. + Implement IAVA security patches and insure patch status is recorded in appropriate systems of ... related experience **US Citizenship Required:** Yes **Job Description:** Systems Administrator 1 Provides support for implementation, troubleshooting and maintenance… more
    General Dynamics Information Technology (07/31/25)
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  • Senior Systems Administrator

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …1-3 years of specialized project experience or formal training in system administration, network security , or IT operations. + Skills: + Strong technical ... within classified DoD environments, ensuring secure system operations. + Proficiency in network security frameworks, risk assessment, and IT governance policies.… more
    Competitive Range Solutions, LLC (08/07/25)
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  • RedHat Administrator -(Hybrid)

    Shuvel Digital (Annapolis, MD)
    …or related field (as determined by the AOC). + b. Red Hat Certified Systems Administrator . + (1) Certification must be issued by Red Hat and include the resource's ... more years of experience as a Red Hat system administrator . + b. Ten (10) or more years of...environments. + b Performing system upgrades, patch management, and security hardening to ensure compliance with industry standards. +… more
    Shuvel Digital (08/07/25)
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  • Netplus Administrator

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …Range Solutions requires the expertise of a talented and experienced NetPlus Administrator to assist in directing and managing the program's executive support group. ... effective integration with a government multi-contractor team. The NetPlus Administrator is responsible for maintaining the NetPlus infrastructure, generating… more
    Competitive Range Solutions, LLC (08/07/25)
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  • Linux System Administrator

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Linux Systems Administrator to a fast-paced team of system administrators providing support for implementation, troubleshooting and ... and problem resolution for all the client, server, storage, network devices, Etc. Provide Tier 1 (Help Desk) and...and ten (10) years of experience as a system administrator on programs of similar scope and complexity is… more
    BigBear.ai (07/22/25)
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