• 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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...where authentication, authorization, and accounting actives are controlled by Active Directory with PKI certificates and Single… more
    General Dynamics Information Technology (01/05/26)
    - Save Job - Related Jobs - Block Source
  • 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 ... systems and group policy configuration **Clearance Requirements:** + Active TS/SCI with Polygraph is required for this position **Physical Requirements:**… more
    ManTech (12/13/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator (Hybrid…

    Serco (Washington Navy Yard, DC)
    …& Qualifications** **Position Description & Qualifications** Serco is seeking a skilled Systems Administrator to support the Navy-owned PMS-ES Integrated Data ... high availability. + Administering user accounts, group policies, and permissions in Active Directory. + Supporting PKI integration and CAC/ECA certificate… more
    Serco (01/03/26)
    - Save Job - Related Jobs - Block Source
  • 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 ... with Windows 10 and 11 environments and Windows Server 2016/2019, to include Active Directory, Domain Controllers, DNS, GPO's, PKI , DHCP, VMware v8, Backup… more
    ManTech (12/19/25)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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. ... Familiarity with Windows, Linux, and scripting for automation. + Experience configuring Active Directory, SAML, and PKI authentication. + Background in… more
    BigBear.ai (11/20/25)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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...continuous system monitoring. MUST BE US CITIZEN MUST HAVE ACTIVE TS/SCI with FSP US Veterans Preferred **ABSOLUTELY NO… more
    The Metamorphosis Group (12/10/25)
    - Save Job - Related Jobs - Block Source
  • Linux System Administrator - US Citizenship…

    CGI Technologies and Solutions, Inc. (Fairfax, VA)
    …with Active Directory and LDAP. * Cryptography: Knowledge of PKI Infrastructure and cryptographic certificates. * Patch Management: Experience with patch ... **Linux System Administrator - US Citizenship Required** **Category:** Cyber Security...Skills: Strong ability to troubleshoot Windows and Linux operating systems . * Security and Compliance: Familiarity with STIGs and… more
    CGI Technologies and Solutions, Inc. (12/11/25)
    - Save Job - Related Jobs - Block Source
  • 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 ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (01/07/26)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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...mitigation from performing system scans, vulnerability management activities, and active directory configuration. + Planning and implementing IT enhancements… more
    Belay Technologies (01/04/26)
    - Save Job - Related Jobs - Block Source
  • Linux System Administrator

    Belay Technologies (Fort Meade, MD)
    …with: + Docker containerization and Kubernetes orchestration + Public Key Infrastructure ( PKI ) + Secrets/Vault Management + IdAM directories ( active directory ... 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… more
    Belay Technologies (12/12/25)
    - Save Job - Related Jobs - Block Source
  • Cybersecurity System Administrator - DMV

    M. C. Dean (District Of Columbia, DC)
    Overview MC Dean is seeking a highly skilled **Cybersecurity System Administrator ** to support a secure operational technology environment by integrating advanced ... individual with both hands-on technical expertise in managing modern enterprise IT systems and a deep understanding of federal cybersecurity frameworks and risk… more
    M. C. Dean (11/26/25)
    - Save Job - Related Jobs - Block Source
  • System Administrator Lead

    System One (Mclean, VA)
    Job Title: System Administrator Lead Location: Arlington, Virginia Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Top Secret w/ SCI ... Leads a team of system administrators responsible for enterprise IT systems . * Manages escalated incidents, patch management, and configuration oversight. *… more
    System One (12/26/25)
    - Save Job - Related Jobs - Block Source
  • Splunk Systems Engineer - TS/SCI w/Poly

    General Dynamics Information Technology (Annapolis Junction, MD)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** Splunk Systems Engineer Deliver simple solutions to complex problems as a Splunk ... Systems Engineer at GDIT. Here, you'll tailor cutting-edge solutions...Digital Services SIEM Team requires an experienced Splunk System Administrator to system engineer to perform all aspects of… more
    General Dynamics Information Technology (01/07/26)
    - Save Job - Related Jobs - Block Source