• Cloud Systems Administrator IV

    Criterion Systems (Reston, VA)
    …we encourage Veterans to apply. Responsibilities We are seeking a mission-focusedCloud Systems Administrator IV to support and contribute to our government ... systems . + Other duties may include setting up administrator accounts, maintaining system documentation, tuning system performance, installing system wide… more
    Criterion Systems (09/17/25)
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  • Systems Administrator - TS

    General Dynamics Information Technology (Chantilly, VA)
    …ID:** RQ206369 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... Yes **Job Description:** Transform technology into opportunity as a Systems Administrator with GDIT. A career in...experience with web services. + **Security Clearance Level** : Top Secret / SCI with Polygraph +… more
    General Dynamics Information Technology (09/17/25)
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  • Linux Systems Administrator

    CACI International (Reston, VA)
    Linux Systems Administrator Job Category: Information...guidance from more senior technical staff. **Required:** + Active Top Secret or TS / SCI ... Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of...a critical DoD system? Join our team as a Systems Administrator ! You will get to use… more
    CACI International (10/18/25)
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  • Senior Systems Administrator

    The Boeing Company (Herndon, VA)
    …based on candidate eligibility. **Security Clearance** This position requires an active US Top Secret / SCI Security Clearance (US Citizenship Required). (A US ... (IDT&S) organization Specialized Infrastructure Operations group is currently seeking a **Senior Systems Administrator ** to join the team in **Herndon, VA** .… more
    The Boeing Company (11/02/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Dulles, VA)
    …Active Directory, GPOs, Policies, and permissions + Candidates must have a current DOD ** Top Secret / SCI ** level security clearance to include a current ... (CIDO) organization is seeking an experienced **Sr Principal Windows Systems Administrator ** to join its dynamic team...vendor products, services, and suggestions. + Adhere to strict Information Systems security guidelines in all cases.… more
    Northrop Grumman (10/31/25)
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  • Systems Administrator - COMSEC

    KBR (Chantilly, VA)
    …travel. + Working Hours: Standard 40 hours per week. Qualifications: Required: + Clearance: Top Secret SCI with Polygraph. + Experience: 3+ years' experience ... Title: Systems Administrator - COMSEC Belong. Connect....in STEM degree + Certifications: IAW NRO Directive 50-05, information Assurance Workforce Enhancement Program (IAWEp) category information more
    KBR (09/06/25)
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  • Linux Systems Administrator

    Nightwing (Sterling, VA)
    …minimize downtime and disruptions. **Required Skills:** + US Citizenship + Must have an active Secret clearance and obtain a TS / SCI clearance + 3+ years of ... defense, civil, and commercial markets. Nightwing is seeking a qualified Linux Systems Administrator to work with a close-nit team to assist in the maintenance… more
    Nightwing (10/08/25)
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  • Senior Linux Systems Administrator

    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 part of ... impactful solutions in support of critical government missions. As a **Senior Linux Systems Administrator ,** you will help maintain and enhance the Sponsor's… more
    ManTech (08/30/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …server and networking equipment rack installations **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required ... possible. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support both...a US Citizen + Candidate must have a current TS / SCI clearance with Poly + Bachelor's degree… more
    Parsons Corporation (10/18/25)
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  • SAP NS2 Senior Cloud Engineer/ Systems

    SAP (Herndon, VA)
    …benefit options for you to choose from. **SAP NS2 Senior Cloud Engineer/ Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI with Polygraph ... Information Security, Engineering, Information Technology. MA/MS Preferred. + Top Secret Clearance with Polygraph Note: The job description is meant… more
    SAP (10/21/25)
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  • Systems Administrator (Multiple…

    Noblis (Chantilly, VA)
    …+ Active Top Secret ( TS ) clearance with eligibility for Sensitive Compartmented Information ( SCI ) and ability to obtain a Counterintelligence ... Responsibilities As a Systems Administrator , you will be responsible...web servers. You will support the multi-enclave environment (Unclassified, Secret , and Top Secret / SCI more
    Noblis (09/03/25)
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  • Cyber Systems Administrator Intern

    Lockheed Martin (Herndon, VA)
    …with both technical and non\-technical individuals and working on a team\. Required: Active Top Secret / SCI w Poly security clearance prior to start Summer ... related major or any related technical major\. \- Active Top Secret / SCI w Poly security...secure environment\. \- Experience with with SQL\. **Clearance Level:** TS / SCI w/Poly SP **Other Important Information more
    Lockheed Martin (10/31/25)
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  • Lead IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Lead IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include ... manuals or similar documentation. **Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph. **Physical Requirements:** + Must be able to… more
    ManTech (08/20/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include ... user-friendly technical documentation. **Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph. **Physical Requirements:** + Must be able to… more
    ManTech (08/20/25)
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  • Cloud Systems Administrator V

    Criterion Systems (Reston, VA)
    …experience. Additional experience may be considered in lieu of degree. + Must have TS / SCI with active (<= 6 years) polygraph. Will consider candidates with poly ... Overview At Criterion Systems , we developed a different kind of business-a...security audits and testing events. Security Clearance Level + TS / SCI with Polygraph (current) Work Schedule +… more
    Criterion Systems (08/08/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    …service that provides attribute data via an LDAP interface to hundreds of various Sponsor systems Required Qualifications + Active TS / SCI with Polygraph + BS ... **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)
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  • System Administrator 4

    PDS Defense (Herndon, VA)
    …be sure to talk with your recruiter. Job Requirements Minimum Security Clearance: Top Secret / SCI **VEVRAA Federal Contractor / Request Priority Protected ... no longer required Active Full Scope Polygraph 5+ years of experience as a systems administrator 5+ years of experience working in a cross functional environment… more
    PDS Defense (10/31/25)
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  • Lead Security Systems Administrator

    Lumen (Herndon, VA)
    …the world and shape the future. **The Role** This unique position requires technical information systems skills / system administrative as well as ability to ... of the overall company security team as well. Current TS / SCI clearance a must. Familiarity with DOD...+ Maintain network printers. + Data Transfer Officer for information systems . + Support multiple networks with… more
    Lumen (10/29/25)
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  • System Administrator

    Shuvel Digital (Reston, VA)
    …requirement. Briefly Describe the Work: GITI is looking for a mid-level Systems Administrator with experience in installing, configuring, troubleshooting, and ... Clearance Level: TS / SCI US Citizenship: Required Job Classification:...of requirements, system architecture, and detailed design documents. A Systems Administrator must be able to collaborate… more
    Shuvel Digital (08/13/25)
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  • Fidelis Administrator - Active TS

    ENS Solutions (Reston, VA)
    …Fidelis appliance stack and network issues to ensure it remains fully operational + Active TS / SCI clearance; willingness to take a polygraph exam + HS diploma or ... deployments and configuration management. + Experience as a network administrator or systems engineer. + Experience in using Active Directory to manage… more
    ENS Solutions (09/27/25)
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