• Senior Public Key Infrastructure ( PKI

    Belcan (Reston, VA)
    Senior Public Key Infrastructure ( PKI ) Engineer Job Number: 358663 Category: Architectural Description: Job Title: Senior Public Key Infrastructure ( PKI ) ... & Technology organization is seeking a Senior Public Key Infrastructure ( PKI ) Engineer to support the architecture, implementation and operations of enterprise… more
    Belcan (07/16/25)
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  • System Administrator - Active Secret…

    ENS Solutions (MD)
    This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems for an ... compliance with cybersecurity frameworks, and supporting audit readiness for DoD PKI inspections. Key Responsibilities: + Maintain and monitor systems supporting … more
    ENS Solutions (05/02/25)
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  • IT Administrator - Navy

    Three Saints Bay (Port Hueneme, CA)
    **IT Administrator - Navy (4249)** Location **Port Hueneme, CA** Job Code **4249** \# of Openings **1** Apply Now ... Framework, Integrated Windows Authentication, Kerberos and Directory Services Authentication, PKI , Secure Sockets Layer (SSL), troubleshooting, configuration and development.… more
    Three Saints Bay (06/14/25)
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  • SharePoint Systems Administrator

    Leidos (Alexandria, VA)
    **Description** Leidos is seeking a senior SharePoint System Administrator to support a large enterprise IT contract for the DOD. The SharePoint System ... Administrator will support infrastructure services, operations, and maintenance across...deploy, operate, and maintain SharePoint services, including load balancing, PKI authentication, and claims-based authentication as well as support… more
    Leidos (07/25/25)
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  • SharePoint Systems Administrator

    Leidos (Bethesda, MD)
    …you can thrive, keep reading!** Leidos is seeking a SharePoint Systems Administrator to support the National Media Exploitation Center (NMEC). The SharePoint System ... Administrator will support infrastructure services, operations, and maintenance across...deploy, operate, and maintain SharePoint services, including load balancing, PKI authentication, and claims-based authentication as well as support… more
    Leidos (07/24/25)
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  • Sr. Systems Administrator TS/SCI Poly

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **System Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business ... a Doctorate in technical domain. + Must have ​experience as a systems administrator providing direct support to end users and technical staff (developers, testers,… more
    Leidos (07/23/25)
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  • Linux Systems Administrator - Clearance…

    Lockheed Martin (Sunnyvale, CA)
    …missions that will inspire innovation\! Lockheed Martin Space seeks a Linux Systems Administrator for its Sunnyvale, CA location to join our team for \(E2\) ... including the cloud\. Maintains operational systems including patching, security hardening, PKI infrastructure, and build/deployment of new servers for upgrades and… more
    Lockheed Martin (07/12/25)
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  • Virtualization Systems Administrator

    SAIC (Macdill AFB, FL)
    **Description** **SAIC is seeking a** Virtualization Systems Administrator to perform admin level support in accordance with the SIE OPORD. Systems Administrators ... builds from template, OVA, and ISO files. + Provide Systems Administrator support to systems hosting complex operational databases, software configuration control,… more
    SAIC (07/02/25)
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  • Systems Administrator

    Amentum (Waimea, HI)
    Amentum is seeking a **Systems Administrator ** for a position on **Kauai, HI** . Supporting the Information Technology (IT) Department. Provides Windows or Red Hat ... system imaging (eg, SCCM, VMware) + Usage of cryptographic log-on methods (eg, PKI ) + Analysis, design, and implementation of modifications to the system software in… more
    Amentum (07/25/25)
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  • UC Systems Administrator

    General Dynamics Information Technology (Oklahoma City, OK)
    …**Experience:** 4 + years of related experience **Job Description:** Systems Administrator Transform technology into opportunity as a Systems Administrator ... improving how agencies operate. At GDIT, people are our differentiator. As a Systems Administrator you will help ensure today is safe and tomorrow is smarter. Our… more
    General Dynamics Information Technology (07/02/25)
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  • Junior Systems Administrator

    NANA Regional Corporation (Alexandria, VA)
    …motivated, self-directed individual to fill the role of a Junior Systems Administrator for our existing government client in the Alexandria, VA area. ... Active Directory, and Group Policy - Minimum 2 years' experience + Microsoft PKI /Certificate services - Minimum 1 year experience + VMware vSphere7/8 - Minimum 2… more
    NANA Regional Corporation (07/10/25)
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  • Senior Systems Administrator (Linux)

    Tyto Athene (Doral, FL)
    **Description** Tyto Athene is searching for a **Senior Systems Administrator (Linux)** to support US Southern Command on the SCITES II Contract in Doral, Florida. ... The Senior Linux Administrator leads the design, implementation, and maintenance of complex...Configuration management tools such as Ansible, Puppet, or Chef, PKI , DNS, DHCP, and networked storage systems, STIG implementation,… more
    Tyto Athene (07/28/25)
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  • System Administrator II (Big IP F5)

    Insight Global (Montgomery, AL)
    Job Description Insight Global is looking for a System Administrator II specialized in Big IP F5, for a government contract. These individuals will be working on a ... troubleshoot and configure SSL intercept/inspection, web certificates, certificate management, PKI Certificate Authority (CA) bundles, private/public keys. Install, configure,… more
    Insight Global (07/12/25)
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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 DESCRIPTIONThe Sponsor requires the support of full-time Linux System Administrators. ... communicate issues and resolutions to all levels within the organization. System Administrator - The Contractor shall support a second shift schedule, 5 days… more
    The Metamorphosis Group (06/11/25)
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  • Active Directory Administrator

    CACI International (Mcconnell AFB, KS)
    Active Directory Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... **The Opportunity:** CACI is seeking an experienced Active Directory Administrator to join a dynamic team that enjoys the...such as SAML, OAuth, ADFS, OCSP, multifactor authentication, and PKI /Smart cards. + Expertise with Microsoft AD, Azure AD,… more
    CACI International (07/26/25)
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  • Systems Administrator / ISSO

    Leidos (Shaw AFB, SC)
    **Description** Leidos' National Security Sector is seeking a Systems Administrator / Information Systems Security Officer (ISSO) to support US Army Central G2 at ... Outlook, SharePoint, Teams, Power Apps). + Email security, archiving, encryption ( PKI ), Office 365 integration. + Voice, Networking, JWICS VTC, and Microsoft… more
    Leidos (07/27/25)
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  • Senior Systems Administrator (Windows)

    Tyto Athene (Doral, FL)
    **Description** Tyto Athene is searching for a **Senior** **Systems Administrator ** to support US Southern Command on the SCITES II Contract in Doral, Florida. The ... Senior System Administrator is responsible for leading the design, configuration, security,...implementation + Experience with identity and access management (IAM), PKI , DNS/DHCP, and networked storage solutions + Advanced scripting… more
    Tyto Athene (07/28/25)
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  • Cloud Systems Administrator

    CACI International (St. Louis, MO)
    Cloud Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... * * * **The Opportunity:** Join our dynamic team as a Cloud Systems Administrator dedicated to supporting our National Security Mission. In this role, you will play… more
    CACI International (07/26/25)
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  • Sr. System Administrator

    Leidos (Fort Belvoir, VA)
    **Description** The **Sr. System Administrator ** will be responsible for the functional and technical design of solutions within the DTRA ITD I3TS portfolio, ... Server 2019 and 2022. + In-depth knowledge of DNS, DHCP, DFS, and PKI in Windows environments. + Familiarity with security compliance frameworks (eg, DISA STIGs,… more
    Leidos (07/25/25)
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  • Windows System Administrator

    SMX (Patuxent River, MD)
    Windows System Administrator (4393)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a skilled Windows System ... Administrator to support a small RDT&E lab environment, managing...Eval-STIG) + Support ISSO with policy documentation, POA&M updates PKI token issuance & management + Cybersecurity testing &… more
    SMX (07/17/25)
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