• 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 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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  • 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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  • 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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  • 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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  • Cisco Identity Services Engineer/…

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** **CISCO IDENTITY SERVICES ENGINEER/ ADMINISTRATOR (RDTE)** Bowhead has an immediate opening for a Cisco Identity Services Engineer/ Administrator ... to provide Design and Engineering Operation and Maintenance support for ISE systems on the classified and unclassified Research, Development, Test and Evaluation… more
    UIC Government Services and the Bowhead Family of Companies (12/18/25)
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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 (12/14/25)
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  • 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)
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  • 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)
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  • Top Secret Cisco Identify Services Engineer (ISE)/…

    Insight Global (Dahlgren, VA)
    …supporting the development of Standard Operating Procedures (SOPs) for managed systems . The position demands expertise in 802.1X troubleshooting principles, PKI ... security, such as patching and device hardening, along with managing file systems and installing software * Experience supporting the development of Standard… more
    Insight Global (12/19/25)
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  • Cleared Junior System Administrator

    Actalent (Centreville, VA)
    Job Title: Systems Engineer Job Description We are seeking a Systems Engineer to join our team in support of two mission planning software packages, SitaWare and ... quality. + Be hands-on in managing, maintaining, and deploying systems , including performing server configuration, technical troubleshooting, and implementing new… more
    Actalent (12/20/25)
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  • ICAM Specialist - Remote

    General Dynamics Information Technology (Fairfax, VA)
    …Authentication (MFA)** and role-based access control (RBAC) mechanisms within enterprise systems + Collaborate with Cloud and Security Architects to enforce **Zero ... least-privilege compliance + Provide subject matter expertise in **identity federation, PKI , certificate management** , and secure API authorization + Collaborate… more
    General Dynamics Information Technology (12/31/25)
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  • Senior Directory Services Engineer

    Ryder System (Washington, DC)
    …entities, along with supporting technologies (Sites and Services, Group Policy, PKI ). + Manages multi-forest architectures and cross-entity trust relationships to ... issues related to authentication, replication, trusts, or integration with enterprise systems . + Partners with networking and security teams to ensure directory… more
    Ryder System (12/01/25)
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  • Linux System Adminstrator - US Citizenship…

    CGI Technologies and Solutions, Inc. (Fairfax, VA)
    …candidates to join our successful Federal organization as a Linux System Administrator for an enterprise cybersecurity opportunity supporting our DHS CDM DEFEND ... * Troubleshooting Skills: Strong ability to troubleshoot Windows and Linux operating systems . * Security and Compliance: Familiarity with STIGs and the ability to… more
    CGI Technologies and Solutions, Inc. (12/11/25)
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  • Senior Linux Architect

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …+ Use cryptographic experience to set up public key infrastructure ( PKI ) to create, manage, distribute, use, store, and revoke digital certificates ... files, directories, command-line environments, and documentation + Operate running systems , including booting into different run levels, identifying processes,… more
    UIC Government Services and the Bowhead Family of Companies (12/03/25)
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  • Cybersecurity Engineer

    Steampunk (Mclean, VA)
    …the product being deployed and/or maintained. **Preferred** + Former Developer or Systems Administrator experience + Working knowledge of technologies used for ... OS, Database, Application Server, Load Balancer, and Web Server layers. Understanding how PKI /TLS certificates work is a must. + Integrate with both the application… more
    Steampunk (11/11/25)
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  • SharePoint Developer

    Chenega Corporation (Fort Belvoir, VA)
    …SharePoint Online, portal, and web collaboration access in the areas of systems administration. Web access shall be established via military NIPRNET and/or SIPRNET ... will utilize the SSL and will require user authentication utilizing the DoD PKI . Duties and Responsibilities: + Follow Army directives in developing and deploying… more
    Chenega Corporation (12/01/25)
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