• PKI Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** PKI Systems Administrator Advance how our customers operate while ... you advance your career. Join GDIT as a PKI Systems Administrator and you will build an impactful career in enterprise IT, collaborating with people who are… more
    General Dynamics Information Technology (12/17/25)
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  • Senior IT Infrastructure Support Specialist-Icam…

    CACI International (Fort Meade, MD)
    …Travel Required: Type of Travel: * * * **The Opportunity:** CACI is seeking a Systems Administrator to provide 24x7 support to an existing Operations Center for ... Senior IT Infrastructure Support Specialist-ICAM & PKI Job Category: Information Technology Time Type: Full...Identity, Credential, and Access Management (ICAM) systems as part of the MWIII Bridge contract in… more
    CACI International (11/12/25)
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  • CNS Systems Administrator

    BAE Systems (Annapolis Junction, MD)
    …at least 8 years of relevant experience. + Must have experience as a systems administrator providing direct support to end users and technical staff (developers, ... PowerShell and PowerCLI, KVMs, + Must have knowledge of PKI systems which use HSMs to validate...available based on position level and/or job specifics. **CNS Systems Administrator ** **116698BR** EEO Career Site Equal… more
    BAE Systems (09/29/25)
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  • Systems Administrator

    BAE Systems (Sterling, VA)
    …and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system maintenance, ... incentives may be available based on position level and/or job specifics. ** Systems Administrator ** **117073BR** EEO Career Site Equal Opportunity Employer.… more
    BAE Systems (12/09/25)
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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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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our team, bringing ... becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services...and accounting actives are controlled by Active Directory with PKI certificates and Single Sign On. + Enterprise Provisioning:… more
    General Dynamics Information Technology (12/15/25)
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  • Systems Administrator (Hybrid…

    Serco (Washington, DC)
    **Position Description** Serco is seeking a skilled Systems Administrator to support the Navy-owned PMS-ES Integrated Data Environment (IDE) in Washington, DC. ... to: careers@serco-na.com . Click here to apply now (https://careers-sercous.icims.com/jobs/71687/ systems - administrator -%28hybrid-infrastructure%29 washington%2c-dc/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834477830) **New to Serco?** Join… more
    Serco (10/29/25)
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  • Systems Administrator - TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …**US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means ... innovation and play a meaningful part in improving how agencies operate. **HOW** **A SYSTEMS ADMINISTRATOR ** **WILL** **MAKE AN IMPACT** + We are seeking a… more
    General Dynamics Information Technology (12/16/25)
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  • Systems Network Administrator

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Systems /Network Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics ... us and make a difference in National Security!** **Job Summary:** Systems /Network administrator will provide support for implementation, troubleshooting and… more
    Leidos (09/20/25)
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  • Senior Systems Administrator

    Indigo IT, LLC (Washington, DC)
    Senior Systems Administrator Washington, DC SUMMARY: Founded in 2001, Indigo IT is an award winning information technology consulting and services company. We ... of five (5) years of experience or equivalent work experience as a systems engineer/ administrator + Preference of Bachelor's degree in Computer Science or… more
    Indigo IT, LLC (11/12/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    …Leidos has an exciting opening for you as our next Tier 2 Service Desk/ Systems Administrator . Your job will be supporting as a Linux administrator ... perform technical software configuration, rebooting, and other remedial actions on customer systems . Work will be conducted on-site at our Chantilly, VA location.… more
    Leidos (12/16/25)
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  • Jr./Mid-Level Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …and a finalist in 2021! Belay Technologies is seeking a Jr./Mid-level System Administrator to join our intel team. The selected individual will be responsible for ... monitoring infrastructure systems , applications, and processes, and for ensuring that all...standards, software architectures, and Network security technologies (Multiple Domain, PKI , SSP, Vulnerability Assessment, etc.). + Experience working with… more
    Belay Technologies (11/07/25)
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  • (Mid. or Senior) Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …up in 2020 and a finalist in 2021! Belay Technologies is seeking a Network Systems Administrator (Windows) to join our team. The selected individual will be ... responsible for monitoring infrastructure systems , applications, and processes, and for ensuring that all issues are identified, tracked, and resolved in a timely… more
    Belay Technologies (10/01/25)
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  • Data Analytics Visualization Administrator

    BigBear.ai (Annapolis Junction, MD)
    …installation, patching, and regression testing. + Configure secure access to backend systems like SAP HANA, including SSL/TLS and PKI -based single sign-on. ... and PKI authentication. + Background in administering operational software systems in a production environment. About BigBear.ai BigBear.ai is a leading provider… more
    BigBear.ai (11/20/25)
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  • Cloud Systems Administrator

    CACI International (Laurel, MD)
    Cloud Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... tasks. + **Certificate Management:** Oversee the full certificate lifecycle, ensuring systems adhere to security and compliance standards. + **System Updates:**… more
    CACI International (10/16/25)
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  • Systems Administrator - Tier 3…

    GovCIO (Fairfax, VA)
    …referral to this job (https://careers-govcio.icims.com/jobs/4592/ systems - administrator tier-3-support/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) ... **Overview** GovCIO is currently hiring for a System Administrator - Tier 3 Support with an active...LAN, WLAN, VLAN, OSI model, TCP/IP, VPN, firewalls, and PKI **Qualifications** + Bachelor's with 8+ years of System… more
    GovCIO (12/02/25)
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  • System Administrator - Linux - TS/SCI FSP…

    The Metamorphosis Group (Chantilly, VA)
    System Administrator - LINUX - TS/SCI FSP REQUIRED Chantilly, VA Apply Now Job Description The Metamorphosis Group, Inc, TMG, has an immediate opening for a Linux ... System Administrator , who shall be responsible for maintaining, scheduling, executing software and hardware upgrades, patches, and reconfigurations, identifying and… more
    The Metamorphosis Group (12/10/25)
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  • Senior System Administrator

    SAIC (Arlington, VA)
    **Description** SAIC is seeking a motivated and experienced **System Administrator ** to join our team at the Pentagon in Arlington, VA. **This position is 100% ... + Manage currently supported and subsequent Windows Server Operating Systems on virtual operating environments, providing technical oversight and consultation… more
    SAIC (12/13/25)
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  • System Administrator -Linux

    Leidos (Annapolis Junction, MD)
    **Description** **System Administrator - Linux** **Leidos** has a new and exciting opportunity for a **System Administrator - Linux** in our **National Security ... Responsibilities** The selected individual will be responsible for monitoring infrastructure systems , applications, and processes, and for ensuring that all issues… more
    Leidos (11/19/25)
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  • System/Network Administrator (Onsite)

    RTX Corporation (Fulton, MD)
    …+ Proficiency in scripting via bash and/or Powershell + A Microsoft Certified Systems Administrator (MCSA), RedHat Certified Systems Administrator ... of existing technologies deployed throughout the enterprise; building and patching systems ; troubleshooting program lab environments; hardening systems per cyber… more
    RTX Corporation (11/21/25)
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