• 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 (12/29/25)
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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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  • Sr. IAM Administrator (IT@JH Enterprise…

    Johns Hopkins University (Baltimore, MD)
    …**_Sr. IAM Administrator_** . The Sr. Identity and Access Management (IAM) Administrator is responsible for planning, implementing, and managing IAM services for the ... University. Serves as the Lead Administrator and provides technical expertise in identity and user...day-to-day operations and management of IAM on-premises and cloud-based systems , ensuring secure access to institutional resources. This role… more
    Johns Hopkins University (11/20/25)
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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 (12/20/25)
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  • Lead Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented **Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... 2016/2019, to include Active Directory, Domain Controllers, DNS, GPO's, PKI , DHCP, VMware v8, Backup Architectures, Storage Management, and...or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a… more
    ManTech (12/19/25)
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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 (12/31/25)
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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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  • 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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  • Systems Administrator

    ManTech (Fort Meade, MD)
    **MANTECH** seeks an experienced and passionate, career and customer-oriented **System Administrator ** to join our team in **Ft. Meade, MD.** **Responsibilities ... limited to:** + Creating and managing virtual environments + Systems administration of hardware and software in support of...maintenance on OS on Linux + Experience with installing PKI certs + Ability to launch and configure VMWare… more
    ManTech (12/31/25)
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  • Systems Administrator

    ManTech (Fort Meade, MD)
    **MANTECH** seeks an experienced and passionate, career and customer-oriented **System Administrator ** to join our team in Ft. Meade, MD. **Responsibilities include ... but are not limited to:** + Creating and managing virtual environments + Systems administration of hardware and software in support of maintenance, developing and… more
    ManTech (12/28/25)
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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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  • 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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