• 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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  • 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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  • 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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  • 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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  • 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 (12/17/25)
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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 (12/11/25)
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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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  • System Adminstrator - US Citizenship Required

    CGI Technologies and Solutions, Inc. (Fairfax, VA)
    …seeking candidates to join our successful Federal organization as a 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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  • 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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  • Application Security Engineer

    Steampunk (Mclean, VA)
    …to the product being deployed and/or maintained. **Preferred:** + Former Developer, Systems Administrator , WebApp Security Assessor experience + Understanding of ... 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 (12/04/25)
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