• 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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  • PKI System Administrator

    ASM Research, An Accenture Federal Services Company (Washington, DC)
    …configuration, update and troubleshooting. + User driven with day-to-day knowledge of PKI system, unlock shared mailboxes, and assist with projects and support team ... with PKI related incidents and Department wide initiatives while maintaining...or recommends integrated system solutions ensuring proprietary/confidential data and systems are protected. **Minimum Qualifications** + Bachelor's Degree in… more
    ASM Research, An Accenture Federal Services Company (01/10/26)
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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)
    …& Qualifications** **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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  • 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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  • 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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  • 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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  • 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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  • Senior Integrator- Windows Server Engineering

    SAIC (Washington, DC)
    **Description** The Senior Integrator will provide systems integration and systems administration support for Operations and Maintenance (O&M) and various ... position will provide support, implementation, and design services for Windows-based systems across the enterprise. The Senior Integrator will be responsible for… more
    SAIC (01/06/26)
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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 (01/10/26)
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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 Sys Admin - TS/SCI CI Poly

    Insight Global (Springfield, VA)
    Job Description Seeking a Systems Administrator to join a high-performing team at the heart of an important US government function which helps the nation 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 system… more
    Insight Global (01/07/26)
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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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  • Web Application Security Engineer

    Steampunk (Washington, DC)
    …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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