• 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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  • 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 (01/05/26)
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  • Systems Administrator (Hybrid…

    Serco (Washington Navy Yard, DC)
    …- $162978.79 **Position Description & Qualifications** Serco is seeking a skilled Systems Administrator to support the Navy-owned PMS-ES Integrated Data ... accounts, group policies, and permissions in Active Directory. + Supporting PKI integration and CAC/ECA certificate management. + Configuring and maintaining Citrix… more
    Serco (01/03/26)
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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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  • 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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  • Linux System Administrator - US Citizenship…

    CGI Technologies and Solutions, Inc. (Fairfax, VA)
    **Linux System Administrator - US Citizenship Required** **Category:** Cyber Security **Main location:** United States, Virginia, Fairfax **Alternate Location(s):** ... candidates to join our successful Federal organization as a Linux System Administrator for an enterprise cybersecurity opportunity supporting our DHS CDM DEFEND… more
    CGI Technologies and Solutions, Inc. (12/11/25)
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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 (01/06/26)
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  • Senior Linux System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …finalist in 2021! Belay Technologies is seeking a Senior Linux System Administrator (SA). The SA provides support for implementation, troubleshooting and maintenance ... of Information Technology (IT) systems . The SA manages IT system infrastructure and any...on an on-call basis. + The Level 3 System Administrator shall possess the following capabilities: + Provide support… more
    Belay Technologies (01/04/26)
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  • Linux System Administrator

    Belay Technologies (Fort Meade, MD)
    …in 2020 and a finalist in 2021! Belay Technologies is seeking a System Administrator to join our intel team. This position is for System Administration support for ... a team obtaining and configuring Virtual Machines (VMs), loading Operating systems and software, performing security hardening, patching, and monitoring status.… more
    Belay Technologies (12/12/25)
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  • SQL Server Database Administrator

    Chenega Corporation (Fort Belvoir, VA)
    SQL Server Database Administrator Ft. Belvoir, VA Join our Talent Network SQL Server Database Administrator Ft. Belvoir, VA C-CHR-24-040 TheSenior SQL Server ... by best practices, Army policies, and DoD standards (Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs)). + Install,… more
    Chenega Corporation (12/01/25)
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  • Senior System Administrator (2nd Shift)

    RTX Corporation (Springfield, VA)
    …tough, meaningful problems that create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team at the heart of an ... meet its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based data system supporting a high visibility… more
    RTX Corporation (01/07/26)
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  • System Administrator

    CACI International (Hanover, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Contractor on MWIII Bridge, in Hanover, MD. We are seeking a System Administrator to support Identity, Credential, and Access Management (ICAM) systems . This… more
    CACI International (12/09/25)
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