- Applied Research Associates, Inc. (Herndon, VA)
- …clusters + **Documentation** : Maintain thorough documentation of infrastructure, systems , and processes **Offer is contingent upon contract award.** **Senior ... + **Must be a US citizen with an active TS /SCI security clearance** + Bachelors degree in a related.../SCI with CI Poly security clearance + OpenShift Certified Administrator (OCA) or Kubernetes certification + Experience with hybrid… more
- Nightwing (Sterling, VA)
- …intelligence community, defense, civil, and commercial markets. Nightwing is seeking a qualified Linux Systems Administrator to work with a close-nit team ... Develop and maintain backup and disaster recovery plans for Linux systems . + Patch Management: Manage the...Skills:** + US Citizenship + Must have an active Secret clearance and obtain a TS /SCI clearance… more
- 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 enhance the… more
- Parsons Corporation (Centreville, VA)
- …your talent and redefine what's possible. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support both ... server and networking equipment rack installations **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for… more
- Arena Technical Resources, LLC (Chantilly, VA)
- …17717 Job Description Job Title: Linux Engineer Location: Chantilly, VA Eligibility: Top Secret /SCI clearance with current CI Polygraph required The ... Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is...- Experience writing detailed, technical documentation -8570 Compliance -Active TS /SCI + CI Poly - Ability to respond to… more
- The Metamorphosis Group (Chantilly, VA)
- …officer with security-controlled systems . + Demonstrated experience as an Oracle LINUX Systems Administrator . + Demonstrated experience in Oracle EXADATA ... System Support-US CITIZENS ONLY - TS /SCI FS POLY REQUIRED Chantilly, VA . Government/Military...administration. + Demonstrated experience with LINUX systems engineering and administration. + Demonstrated… more
- Northrop Grumman (Dulles, VA)
- RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... organization is seeking a highly experienced **Senior Principal Windows Systems Administrator ** to join its dynamic team...+ Experience with Certification & Accreditation process + Active Top Secret with current SAP/SAR access would… more
- 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...system monitoring. MUST BE US CITIZEN MUST HAVE ACTIVE TS /SCI with FSP US Veterans Preferred **ABSOLUTELY NO THRID… more
- General Dynamics Information Technology (Chantilly, VA)
- …RQ206369 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... 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 + **Preferred Skills:**… more
- Tau Six (Chantilly, VA)
- …networking, and cybersecurity tools, techniques, and tactics. Clearance Required: US Government Top Secret / SCI Responsibilities: The Security Control Assessor ... market. We are seeking a motivated self-starter with experience in secure information systems to join a team of security professionals and help defend national… more
- Leidos (Chantilly, VA)
- …team environment. The ideal candidate will have prior experience as either a systems engineer or systems administrator . Prior OCONUS experience and ... **All candidates for consideration, must possess an active and in-scope TS /SCI Polygraph.** **Basic Qualifications:** + Bachelor's degree and 8+ years' experience;… more
- Parsons Corporation (Centreville, VA)
- …Engineering + Must be a US Citizen + Must possess and maintain Top Secret SCI clearance with polygraph + Linux command line experience + Excellent written ... This role includes system design, configuration, and debugging of Linux systems . Note: this is a full...quality assurance (QA) experience **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is… more
- Nightwing (Sterling, VA)
- …and providing technical services to enable customer mission accomplishment. The Senior System Administrator ( Linux ) will serve as a key member of the EINSTEIN ... the deployment, configuration, and sustainment of Red Hat Enterprise Linux (RHEL)-based systems across multiple federal data...Secret clearance. Must be able to obtain a TS /SCI clearance + Must be able to obtain DHS… more
- Noblis (Chantilly, VA)
- …resolve critical incidents within designated resolution timelines Required Qualifications + Active Top Secret ( TS ) clearance with eligibility for Sensitive ... Responsibilities As a Systems Administrator , you will be responsible...web servers. You will support the multi-enclave environment (Unclassified, Secret , and Top Secret /SCI) that… more
- Lockheed Martin (Herndon, VA)
- …responsibility\. Your Mission is Ours\. Lockheed Martin Space is seeking a Summer 2026 Systems Administrator Intern\. In this role, you will focusing on ... work in the following skill areas: Working on both Linux and Windows operating systems \(Server and...non\-technical individuals and working on a team\. Required: Active Top Secret /SCI w Poly security clearance prior… more
- SAP (Herndon, VA)
- …options for you to choose from. **SAP NS2 Senior Cloud Engineer/ Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI with Polygraph Required** ... internals must have manager's approval to transfer. The NS2 Senior Cloud Engineer/ Systems Administrator candidate will be responsible for leading the development… more
- 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 Veteran ... **IT/Technical** **System Administrator 5** Herndon, VA Posted: 10/28/2025 Job Description...**Job Description:** Collaborates in the design of computing delivery systems , standards and change management processes. Diagnoses and resolves… more
- PDS Defense (Herndon, VA)
- …be sure to talk with your recruiter. Job Requirements Minimum Security Clearance: Top Secret **VEVRAA Federal Contractor / Request Priority Protected Veteran ... **IT/Technical** **System Administrator 4** Herndon, VA Posted: 10/28/2025 Job Description...resolution, root cause analysis and technical support for delivery systems . Participates in the design, validation and configuration management… more
- Parsons Corporation (Centreville, VA)
- …and support accreditation efforts. **What Required Skills You'll Bring:** + **Active Top Secret /SCI with Full Scope Polygraph** + Bachelor's degree in ... or DoD. + Strong proficiency in managing Windows and Linux operating systems . + Extensive experience with...+ Microsoft Azure Certifications **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is… more
- Assertive Professionals (Chantilly, VA)
- …change requests; support for implementation, troubleshooting and maintenance of Unix/ Linux systems ; Perform technical evaluations, analysis, and troubleshooting ... System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is...servers. Manage day-to-day operations, monitoring and problem resolution of Linux systems . Activities include installation and maintenance… more
