• Applied Research Associates, Inc. (Herndon, VA)
    …network policies ** Senior DevOps Engineer Preferred Qualifications:** + An active TS /SCI with CI Poly security clearance + OpenShift Certified Administrator ... **Description** ARA is looking for a Senior DevOps Engineer with strong expertise in OpenShift...clusters + **Documentation** : Maintain thorough documentation of infrastructure, systems , and processes **Offer is contingent upon contract award.**… more
    DirectEmployers Association (09/11/25)
    - Save Job - Related Jobs - Block Source
  • Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a ... expertise, initiative, and experience supporting a mix of network and systems engineering and administration tasks. Key Responsibilities: Network Design &… more
    DirectEmployers Association (09/30/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    V2X (Springfield, VA)
    …responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - active TS /SCI clearance to support our government ... required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to...to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports… more
    V2X (08/07/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our ... becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services...(VDI Desktops). + Security Clearance Level: DOE Q or TS * Random Drug Screening* Required Skills and Abilities: Written… more
    General Dynamics Information Technology (09/16/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    General Dynamics Information Technology (Reston, VA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** ** Senior Systems Administrator ** Transform technology into opportunity as ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...a Senior Systems Administrator with GDIT. A career in… more
    General Dynamics Information Technology (10/01/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... any processes related to these systems . The Senior Systems Administrator will Configure...Network+, or System Security Certified Practitioner (SSCP). + A TS /SCI clearance with a Polygraph is required to begin… more
    CACI International (09/25/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    SAIC (Arlington, VA)
    **Description** SAIC is seeking a motivated, career and customer-oriented ** Senior Systems Administrator ** to join our team in Arlington, VA, supporting the ... years of experience. **Clearance and certification requirements:** + Active Top Secret clearance; ability to obtain a TS /SCI required to maintain employment.… more
    SAIC (09/26/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux Systems

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd If… more
    Leidos (09/26/25)
    - Save Job - Related Jobs - Block Source
  • Senior Windows Systems

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior ... within the environment. This role covers the management of enterprise systems , storage, patching, and endpoint solutions across Windows platforms. The role… more
    Black Bear Technology Solutions, LLC (08/23/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux Systems

    ManTech (Chantilly, VA)
    **MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA** This opportunity allows you to become ... to drive impactful solutions in support of critical government missions. As a ** Senior Linux Systems Administrator ,** you will help maintain and… more
    ManTech (08/30/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides end-to-end software, systems more
    Leidos (10/09/25)
    - Save Job - Related Jobs - Block Source
  • Senior IT Systems

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... but are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad range of service requests to… more
    ManTech (08/20/25)
    - Save Job - Related Jobs - Block Source
  • Senior IT Systems

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... but are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad range of service requests to… more
    ManTech (08/20/25)
    - Save Job - Related Jobs - Block Source
  • SAP NS2 Senior Cloud Engineer/…

    SAP (Herndon, VA)
    …for you to choose from. **SAP NS2 Senior Cloud Engineer/ Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI with Polygraph Required** **NS2 ... for this role. All internals must have manager's approval to transfer. The NS2 Senior Cloud Engineer/ Systems Administrator candidate will be responsible for… more
    SAP (10/21/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    …that provides attribute data via an LDAP interface to hundreds of various Sponsor systems Required Qualifications + Active TS /SCI with Polygraph + BS degree and ... **Description** Leidos is seeking a System Administrator for a technical development program supporting the...+ Must be an expert in using Linux-based operating systems + Must have strong Bash skills + Must… more
    Leidos (10/10/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a ** Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . This ... while supporting a small team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within the core shift range of… more
    Leidos (07/29/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …exciting projects in a collaborative, congenial environment. We are seeking a Senior System Administrator to lead the management, operations, and maintenance ... of complex DoD systems and networks. This role requires expertise in high-volume,...of continuous learning and improvement. Required Qualifications: + Active Secret Clearance: TS preferred. + Education: +… more
    Competitive Range Solutions, LLC (08/07/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    SAIC (Fort Meade, MD)
    …can** **grow your career in a dynamic and supportive environment!** The Systems Administrator (SA) will provide support for implementation, troubleshooting, and ... **Description** SAIC, a leading provider of systems engineering & integration, systems development...enhancements to improve reliability and performance **Qualifications** + Active TS /SCI with Polygraph + Requires fifteen (15) years of… more
    SAIC (08/19/25)
    - Save Job - Related Jobs - Block Source
  • Juniper Network Administrator - TS

    Three Saints Bay (Washington, DC)
    …application problems. + Perform any other related duties as assigned by the Senior Systems Administrator , Technology or other appropriate administrator ... **Juniper Network Administrator - TS /SCI Required (5171)** Location **Washington, DC**...**Position Requirements:** + **US Citizen.** + **Active Top - Secret Clearance with SCI eligibility.** + BS degree in… more
    Three Saints Bay (09/18/25)
    - Save Job - Related Jobs - Block Source
  • Senior High Performance Computing (HPC)…

    BAE Systems (Annapolis Junction, MD)
    …level and/or job specifics. ** Senior High Performance Computing (HPC) Systems Administrator ** **115702BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** At BAE Systems , we promote a strong, collaborative culture and...in-house applications \#LI-PB2 **Required Education, Experience, & Skills** + TS /SCI clearance with appropriate poly + Ability to work… more
    BAE Systems (09/09/25)
    - Save Job - Related Jobs - Block Source