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Keywords: Systems Administrator - TS SCI eligible, Location: USA

Page: 2

System Administrator

and configuration. Security Clearance: Active Top Secret Clearance Must be able to obtain and maintain a DoD TS/SCI-eligible... a motivated, career and customer-oriented System Administrator to join our Air Force / Space team at Eglin AFB. The System...

Company: ManTech
Location: USA
Posted Date: 24 Jan 2026

System Administrator

and configuration. Security Clearance: Active Top Secret Clearance Must be able to obtain and maintain a DoD TS/SCI-eligible... a motivated, career and customer-oriented System Administrator to join our Air Force / Space team at Eglin AFB. The System...

Company: ManTech
Location: USA
Posted Date: 23 Jan 2026

HPC Linux Systems Administrator 3/4 - Secret

Systems Administrator to join its dynamic team of technical professionals. The qualified applicant will become part...'s degree in Information Technology Active Top Secret, TS/SCI, Polygraph, or SAP/SAR access would be nice to have 10 years...

Company: Northrop Grumman
Location: Melbourne, FL
Posted Date: 21 Jan 2026
Salary: $89400 - 134200 per year

Linux Systems Administrator (SDN / Cisco ACI)

Responsibilities Peraton Labs is seeking a poly-cleared Linux Systems Administrator who can own day-to-day... This position requires an active/current TS/SCI w/ Polygraph Preferred qualifications Experience supporting secure environments...

Company: Peraton
Location: College Park, MD
Posted Date: 20 Jan 2026
Salary: $112000 - 179000 per year

SITEC - Systems Administrator MECM- MacDill AFB

degree, 3 years with MS/MA A DoD TS/SCI clearance is required DoDD 8570.01-M IAT II Desired Qualifications: VMware...Responsibilities Peraton requires Systems Administrators to support the Special Operation Command Information...

Company: Peraton
Posted Date: 18 Jan 2026
Salary: $66000 - 106000 per year

Systems Administrator

Knowledge of Veritas Backup Exec for backup and recovery of systems Ability to pay strict attention to detail TS/SCI...Systems Administrator The Opportunity: Your technical expertise makes you a key team player, solving one problem...

Posted Date: 18 Jan 2026
Salary: $77600 - 176000 per year

Sr. System Administrator II (Temp)

date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance: DoD Clearance: TS/SCI... will also be required. We’re looking for an experienced Systems Administrator to join our team supporting critical operations in both Linux...

Posted Date: 17 Jan 2026

Principal Linux Systems Administrator

date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance: TS/SCI with CI Poly... and transferable U.S. government issued TS/SCI with polygraph security clearance is required prior to start date. U.S. citizenship...

Location: Aurora, CO
Posted Date: 17 Jan 2026
Salary: $82000 - 164000 per year

System Administrator, Senior

and VMware ESXi Knowledge of Linux firewalls, Linux RPMs, networking configuration, and DNS TS/SCI clearance with a polygraph... eligibility requirements for access to classified information; TS/SCI clearance with polygraph is required. Compensation...

Location: Columbia, MD
Posted Date: 17 Jan 2026
Salary: $77600 - 176000 per year

Intelligence System Administrator

. You Have: 5+ years of experience providing IT support 2+ years of experience as a Systems or Network Administrator TS/SCI... for access to classified information; TS/SCI clearance is required. Compensation At Booz Allen, we celebrate...

Posted Date: 15 Jan 2026
Salary: $61900 - 141000 per year

System Administrator, Mid

administrator Experience configuring and managing Unix, Linux, and Windows operating systems, including installing or loading... in an HPC environment and analyzing their results systematically Experience with SAP TS/SCI clearance Bachelor's degree...

Posted Date: 11 Jan 2026
Salary: $61900 - 141000 per year

System Administrator, Mid

administrator Experience configuring and managing Unix, Linux, and Windows operating systems, including installing or loading... in an HPC environment and analyzing their results systematically Experience with SAP TS/SCI clearance Bachelor's degree...

Posted Date: 11 Jan 2026
Salary: $61900 - 141000 per year

Linux Systems Administrator, Senior

. You Have: Knowledge of Linux systems, including Ubuntu and Red Hat Enterprise Ability to work shift work, as needed TS/SCI clearance HS...Linux Systems Administrator, Senior The Opportunity: Your combination of people skills and system administrator...

Posted Date: 11 Jan 2026
Salary: $77500 - 176000 per year

Cloud Systems Administrator

Responsibilities Cloud Systems Administrator – Cyber Missions Team Location: Laurel, MD | Shift: Evening or Mid... Shift Peraton is seeking a Cloud Systems Administrator to join our high-impact Cyber Missions team in Laurel, MD...

Company: Peraton
Location: Laurel, MD
Posted Date: 10 Jan 2026

Systems Administrator – Helpdesk Sys Admin

opportunity for a Systems Administrator – Helpdesk Systems Administrator (25-571) to join our team of skilled, diverse..., which is required to start with the eligibility to be cleared at TS/SCI Willingness to travel up to 10% for business needs Experience...

Posted Date: 09 Jan 2026
Salary: $75800 - 113800 per year

Linux Systems Administrator

Administrator to implement and manage a centralized Cloud System Management system. This role requires a self-starter who can...; remediate and patch systems. Set up Kick Start scripts and Boot Server; configure and manage a Linux Identity Management System...

Company: Peraton
Location: Gaithersburg, MD
Posted Date: 09 Jan 2026
Salary: $112000 - 179000 per year

System Administrator

U.S. Government Security Clearance at the TS/SCI level with required Polygraph. This customer office Provides Geospatial Support.../current TS/SCI security clearance with required Polygraph Bachelor’s degree in a technical field such as Computer Science...

Location: Chantilly, VA
Posted Date: 09 Jan 2026
Salary: $118000 - 196000 per year

Systems Administrator

Experience administering Linux or Unix systems TS/SCI clearance with a polygraph Bachelor’s degree and 10+ years...Systems Administrator The Opportunity: Your combination of people skills and system administrator expertise makes...

Location: Fort Meade, MD
Posted Date: 08 Jan 2026

DevOps Engineer and System Administrator, Senior

with Containers, including Kubernetes and Docker Experience with Cloud, including AWS or Azure Active TS/SCI clearance; willingness... will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI...

Location: McLean, VA
Posted Date: 07 Jan 2026
Salary: $77600 - 176000 per year

NCIS Systems Administrator | Active Top Secret clearance

in ServiceNow. WHAT YOU’LL NEED TO SUCCEED Security Clearance Level: Active Top Secret clearance (Must be TS/SCI eligible... into opportunity as a Systems Administrator at GDIT. Shape what’s next for mission-critical government projects while shaping...

Company: General Dynamics
Location: Quantico, VA
Posted Date: 06 Jan 2026
Salary: $96569 - 130651 per year