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

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Sr. Network Administrator

Kavaliro is seeking a motivated, career-driven, and customer-oriented Senior Network Administrator to join our team... (e.g., SOUTHCOM, CENTCOM, INDOPACOM, SOCOM, EUCOM). Clearance Requirement: Active TS/SCI clearance...

Company: Kavaliro
Location: Key West, FL
Posted Date: 04 Oct 2025

Network Administrator

. This position requires U.S. citizenship with an active DoD TS/SCI. Primary Responsibilities: Plan and design secure network...Description Leidos is seeking a Network Engineer/Architect with subject matter expertise to support large-scale...

Company: Leidos
Location: Fort Belvoir, VA
Posted Date: 07 Dec 2025

SITEC - Network Administrator - MacDill AFB

TS/SCI clearance is required. DoDD 8570.01-M, IAT II and CCNA. Strong interpersonal communications skills...), and its deployed forces with Operations and Maintenance (O&M) services to maintain Network Operations (NetOps); maintain...

Company: Peraton
Posted Date: 16 Nov 2025
Salary: $80000 - 128000 per year

National Defense Network Information Assurance/ACAS Senior Engineer (SME)

Certification, RHCSA and MCSA or TCSP Security Clearance Level: TS/SCI Location: On-site US Citizenship..., strategies, technologies, and best-of-breed business processes. We seek a passionate, INFORMATION SECURITY ANALYST SENIOR/ACAS...

Posted Date: 17 Dec 2025

National Defense Network Information Assurance/ACAS Senior Engineer (SME)

Certification, RHCSA and MCSA or TCSP Security Clearance Level: TS/SCI Location: On-site US Citizenship..., strategies, technologies, and best-of-breed business processes. We seek a passionate, INFORMATION SECURITY ANALYST SENIOR/ACAS...

Company: Vision IT
Location: Sierra Vista, AZ
Posted Date: 16 Dec 2025

Senior Linux Systems Administrator

as a Senior Linux Systems Administrator and build an impactful career in enterprise IT, collaborating with people who are driven... and resourceful like you. MEANINGFUL WORK AND PERSONAL IMPACT As a Senior Linux Systems Administrator, the work you’ll do at GDIT...

Posted Date: 20 Dec 2025
Salary: $97750 - 132250 per year

Senior Systems Administrator

a motivated and skilled Senior Systems Administrator to join our sustainment team in Chantilly, VA. In this role, you will support... and group policy configuration Clearance Requirements: Active TS/SCI with CI Polygraph is required for this position...

Company: ManTech
Location: Chantilly, VA
Posted Date: 14 Dec 2025

Senior Linux/Unix Administrator

Job Title: Senior Linux/Unix Administrator Work Location: USSTRATCOM Offutt AFB Clearance: TS/SCI Education...: Commensurate with experience Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4...

Company: Knexus
Location: Omaha, NE
Posted Date: 12 Dec 2025
Salary: $95000 - 110000 per year

Senior Database Administrator Government)

’ mission. AT&T has an opening for a Senior Database Administrator to support the delivery of high performance, high... availability, ad secure Microsoft SQL Server database services. This senior database administrator will also evaluate...

Company: AT&T
Location: Columbia, MD
Posted Date: 12 Dec 2025
Salary: $89200 - 190750 per year

Senior Systems Administrator

of computing resources Setting up administrator and service accounts Maintaining system documentation Analyze system/network... held Active Secret clearance; ability to obtain TS/SCI Dual citizenship will be disqualified per facility clearance...

Posted Date: 10 Dec 2025

Senior Systems Administrator

of computing resources Setting up administrator and service accounts Maintaining system documentation Analyze system/network... held Active Secret clearance; ability to obtain TS/SCI Dual citizenship will be disqualified per facility clearance...

Posted Date: 10 Dec 2025

Senior Systems Administrator

Responsibilities Peraton is seeking a senior Systems Administrator to join our team in the Fort Meade, MD / Annapolis... experience with Linux. Active TS/SCI clearance with polygraph. Peraton Overview Peraton is a next-generation national...

Company: Peraton
Location: Fort Meade, MD
Posted Date: 10 Dec 2025

Senior System Administrator-Night Shift

Overview: Location: Springfield, VA Security Clearance Required: Active TS (SCI eligibility) clearance... our nation’s cyber interests? Join our growing team supporting the NGA customer missions as a Senior System Administrator-Night...

Company: teKnoluxion
Location: Springfield, VA
Posted Date: 04 Dec 2025

Senior Systems Administrator

Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance... Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local...

Location: Fort Meade, MD
Posted Date: 03 Dec 2025

Senior System Administrator

for the SOCOM SOCRATES Network. We are currently looking for a Senior System Administrator to support enterprise wide..., including OCONUS travel Must be able to lift 50LBS Requirements Must have an active DoD TS Clearance with SCI Eligibility...

Posted Date: 21 Nov 2025
Salary: $120000 - 125000 per year

System Administrator-Linux Mid and Senior Levels - 10-15 Yrs Exp Linux

IS REQUIRED TO BE CONSIDERED FOR THIS ROLE Clearance required: Active TS/SCI clearance with Polygraph Location: AJ, MD Salary Information..., or both.) Job Description System Administrator ‐ Linux Must have experience installing, updating, and upgrading Linux Operating Systems ﴾OS...

Company: Prodigy One
Posted Date: 20 Nov 2025

Mid/Senior System Administrator

and performance. Candidates should have the following qualifications: TS/SCI with polygraph is required. Bachelor’s Degree... and a finalist in 2021! Belay Technologies is seeking a System Administrator (SA) to join our intel team. The SA provides support...

Posted Date: 19 Nov 2025
Salary: $114000 - 164000 per year

Mid/Senior System Administrator

and performance. Candidates should have the following qualifications: TS/SCI with polygraph is required. Bachelor’s Degree... and a finalist in 2021! Belay Technologies is seeking a System Administrator (SA) to join our intel team. The SA provides support...

Posted Date: 19 Nov 2025
Salary: $114000 - 164000 per year

Senior Systems Administrator 10k sign on bonus

Leidos has a new and exciting opportunity for a Senior Systems Administrator in our National Security Sector's (NSS..., Parental Paid Leave, and much more. Join us and make a difference in National Security! As a Senior Systems Administrator...

Company: Leidos
Posted Date: 16 Nov 2025

Systems Administrator, Senior

Systems Administrator, Senior The Opportunity: Your combination of people skills and system administrator expertise... with insight into their network through monitoring and performance management. Your system administrator expertise will be vital...

Posted Date: 09 Nov 2025
Salary: $77500 - 176000 per year