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Keywords: Network Administrator Senior – TS/SCI required, Location: USA

Page: 4

Systems Administrator

a Senior System Administrator (SA) to join our Intel team. You will play a key role in supporting and optimizing IT systems.... Candidates should have the following qualifications: TS/SCI clearance with polygraph is required Bachelor’s Degree...

Posted Date: 10 Dec 2025
Salary: $150000 - 175000 per year

Systems Administrator

and a finalist in 2021! Belay Technologies seeks a Senior System Administrator (SA) to join our Intel team. You will play a key... envrionment where your expertise will drive impactful solutions. Candidates should have the following qualifications: TS/SCI...

Posted Date: 10 Dec 2025
Salary: $150000 - 175000 per year

Lead Windows Systems Administrator (SME) - Dept 14

: Active TS/SCI with a polygraph. BENEFITS: Competitive salary Company Medical/Dental/Vision plans – Company paid Short...Que Technology Group, Inc., is seeking an accomplished Lead Windows Systems Administrator to oversee the design...

Location: McLean, VA
Posted Date: 10 Dec 2025

System Administrator - Linux

and position appropriate security clearance is required. (e.g. Active TS/SCI security clearance with customer appropriate polygraph... needed. Description: Networking System Administrator - Linux Must have experience with utilities used to manage Linux OS disk file systems...

Posted Date: 06 Dec 2025

HBSS Administrator

Leidos is seeking a skilled Senior HBSS Administrator in Fort Belvoir, VA to join the I3TS team supporting DTRA. The... must be able to work in a high-energy environment and adapt to shifting priorities . **Must possess an active DoD TS/SCI...

Company: Leidos
Location: Fort Belvoir, VA
Posted Date: 03 Dec 2025
Salary: $104650 - 189175 per year

System Administrator III

an active Top Secret (TS) Clearance with SCI eligibility. ESSENTIAL JOB FUNCTIONS Create, manage, and disable user accounts... anyone would be proud to be a part of. POSITION SUMMARY As a System Administrator III supporting the Enhanced Polar System Operations...

Company: Aleut Federal
Location: Schriever, LA
Posted Date: 03 Dec 2025

GCCS-J Systems Administrator T1

GCCS-J Systems Administrator – Tier 1 Location: MacDill AFB, Tampa, FL Clearance: Active TS/SCI... policies and security requirements (DoD 8570/8140 compliance) Required Qualifications Active TS/SCI security clearance...

Posted Date: 26 Nov 2025
Salary: $85000 - 120000 per year

Sr. Systems Administrator II - Generalist (Windows Server)

The Senior Systems Administrator II shall support the Information Technology (IT) Operations and Maintenance (O&M) team... for the Senior Systems Administrator II is to extend support to both Microsoft Windows Server and Red Hat Enterprise Linux...

Posted Date: 22 Nov 2025

Systems Administrator II Generalist Sr (Windows Server)

. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI clearance to support our government... Administrator II shall work closely with the activity's Senior Systems Administrator, Network Engineer as well as the IT team...

Company: V2X
Location: Springfield, VA
Posted Date: 16 Nov 2025

System Administrator 1 - Annapolis Junction, MD

requirements, including U.S. Citizenship, for access to classified information; ACTIVEDoD TS/SCI w/ polygraph clearance... the world for the better. We are seeking a System Administrator 1 to join our Security and Electronic Systems...

Company: M.C. Dean
Posted Date: 06 Nov 2025
Salary: $72320 per year

System Administrator

under pressure Competence in computer operating systems Clearance Requirement: Must have a current/active TS/SCI with Poly... an experienced and passionate, career and customer-oriented System Administrator to join our team located in the Ft. Meade, MD area...

Company: ManTech
Location: Fort Meade, MD
Posted Date: 05 Nov 2025

System Administrator - CONTINGENT - Dept 21

Que Technology Group, Inc., is ​seeking a motivated Senior Systems Administrator with the right knowledge, skills... for a bachelor’s degree IAT II certification Security Clearance: TS/SCI clearance with polygraph BENEFITS: Competitive...

Posted Date: 17 Oct 2025

Junior System Administrator - CONTINGENT - Dept 21

Que Technology Group, Inc., is ​seeking a motivated Senior Systems Administrator with the right knowledge, skills... may be substituted for a bachelor’s degree IAT II certification Security Clearance: TS/SCI clearance with polygraph...

Posted Date: 16 Oct 2025

Firewall Administrator

+ years of relevant experience DOD 8140 IAT II TS/SCI Knowledge, Skills, and Abilities: Knowledge of Palo Alto Networks...Job Description: Summary Firewall Administrator Arlington, VA Are you ready to enhance your skills and build...

Company: Chenega
Location: Arlington, VA
Posted Date: 03 Oct 2025

Linux Systems Administrator

Responsibilities Location: Washington D.C., Maryland, and Virginia (DMV area) Clearance Required: TS/SCI... years of experience in lieu degree). * TS/SCI with polygraph clearance adjudication or ability to obtain SCI and pass a poly...

Company: Peraton
Location: USA
Posted Date: 28 Sep 2025
Salary: $112000 - 179000 per year

SITEC - ServiceNow Administrator - MacDill AFB

. We are seeking an experienced Senior ServiceNow Administrator to lead the administration and management of our ServiceNow platform... TS/SCI clearance is required DoDD 8570.01-M IAT II Desired Qualifications: 5+ years of experience as a ServiceNow...

Company: Peraton
Posted Date: 25 Sep 2025
Salary: $104000 - 166000 per year

Sr. Systems Engineer / Cloud Administrator

Management tooling Senior Principal Cyber Systems Engineer Basic Qualifications: Must be a US citizen with an active TS/SCI... in our shared mission, we’ll support you expanding your personal network and developing skills, whether you are new to the field...

Company: Northrop Grumman
Location: USA
Posted Date: 18 Dec 2025

Senior System Security and Information Assurance Engineer

efficiency Familiarity with classified enterprise network environments (NIPR, SIPR, TS) EEO Commitment All qualified... are at the frontier of the Nation's most complex and rewarding challenges. Join our team. The Senior PAM Engineer will play...

Company: Barbaricum
Location: Washington DC
Posted Date: 21 Dec 2025

Senior SharePoint Engineer

desired Working Environment: Onsite Required Clearance: An active/current TS/SCI Security Clearance... Solutions is seeking a self-driven and resourceful Senior SharePoint Engineer to provide engineering, integration...

Posted Date: 20 Dec 2025

Senior High Performance Computing (HPC) (SA II) (Government)

of specialized software. AT&T has an opening for a Senior High-Performance Computing (HPC) Systems Administrator: To support.... Required Clearance: TS/SCI with polygraph. (#ts/sci) (#polygraph) Required Qualifications: Candidates shall have a Bachelor’s Degree...

Company: AT&T
Location: Columbia, MD
Posted Date: 20 Dec 2025
Salary: $89200 - 207900 per year