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

Page: 3

Lead Senior Systems Administrator (Unix/Linux) (Government)

and operational issues. Support virtualization, cloud integration, and hybrid deployments. Required Clearance: TS/SCI (#tssci..., cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting...

Company: AT&T
Location: Newburg, MD
Posted Date: 31 Oct 2025
Salary: $110000 - 185000 per year

Senior Systems Administrator

Job Title: Senior Systems Administrator Schedule: Full-Time Clearance: TS/SCI with CI Poly Location: Fort... and experienced Senior Systems Administrator that will be responsible for leading the design, implementation, maintenance...

Posted Date: 19 Oct 2025

Senior System Administrator - CONTINGENT - Dept 21

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

Posted Date: 17 Oct 2025

Senior Database Administrator

Job Description: Overview VTG is seeking a talented and experienced Senior Database Administrator... Perform routine database patching and upgrades Do you have what it takes? Active TS/SCI with Polygraph Required BS...

Company: VTG Defense
Location: Chantilly, VA
Posted Date: 12 Oct 2025

Senior Database Administrator

Overview: VTG is seeking a talented and experienced Senior Database Administrator to join our dynamic and innovative... patching and upgrades Qualifications: Active TS/SCI with Polygraph Required BS degree and 13+ years of prior relevant...

Company: VTG
Location: Chantilly, VA
Posted Date: 11 Oct 2025

Senior Linux Systems Administrator (NDA 4)

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector.... Security Clearance: Candidates must possess an active TS/SCI with Polygraph to be considered for this role. Desirable Skills...

Company: Leidos
Posted Date: 08 Oct 2025

Senior System Administrator (Government)

: TS/SCI, with Poly (#tssci) (#polygraph) Required Qualifications: Experience managing VMware, Nutanix.... Our Senior System Administrator's earn between $89,200 - $196,000. Not to mention all the other amazing rewards that working...

Company: AT&T
Location: Reston, VA
Posted Date: 03 Oct 2025
Salary: $89200 - 196000 per year

Senior IT System Administrator

. Requirements: TS/SCI Clearance Security + CE Certificate Red Hat Certified System Administrator Certificate Minimum 6 years...Job Description: ECS is seeking a Senior IT System Administrator to work in our Warner Robins, GA office. Please Note...

Company: ECS
Location: Warner Robins, GA
Posted Date: 26 Sep 2025

Senior Systems Administrator, Level 3 - Clearance Required

LMCareers Business Unit SPACE Security Clearance TS/SCI w/Poly Shift First Direct/Indirect Direct... for afterhours support as needed. Some nights and weekend work may be involved. Must have a TS/SCI clearance with an adjudicated...

Company: Lockheed Martin
Location: Dahlgren, VA
Posted Date: 22 Nov 2025
Salary: $93800 - 162610 per year

Senior Linux Systems Administrator

and experienced Linux System Administrator for a small, diverse team that provides end-to-end software, systems, and network... tab. Original Posting Date: 2025-10-29 Clearance Requirement: This position requires an active TS/SCI...

Company: ARSIEM
Posted Date: 31 Oct 2025
Salary: $177000 - 198000 per year

Senior System Administrator - Dept 20

; RedHat Satellite. Working knowledge of software-defined networks. Security Clearance: TS/SCI clearance with polygraph...Que Technology Group, Inc., is ​​seeking a motivated and experienced Linux System Administrator for a small, diverse...

Posted Date: 31 Oct 2025

Subcontract Administrator Senior

LMCareers Business Unit SPACE Security Clearance TS/SCI w/Poly Shift First Direct/Indirect Direct... into civilian life. By clicking on the link, you can find out more on how we proudly support the Military/Veterans Network...

Company: Lockheed Martin
Location: Littleton, CO
Posted Date: 17 Dec 2025
Salary: $80400 - 139380 per year

Network Engineer IV

an active TS/Sensitive Compartmental Information (SCI) clearance with the ability to obtain a Counterintelligence polygraph... as assigned Network Engineer Level 4 Experience, Education, Skills, Abilities requested: Current Top Secret clearance and SCI...

Location: Washington DC
Posted Date: 21 Dec 2025
Salary: $150000 per year

Onsite Network Engineer

NEED? Education and Certifications Active TS/SCI security clearance Active network certification, such as Cisco... Certified Network Administrator (CCNA), Cisco Certified Network Professional (CCNP), or Aruba Certified Switching Associate...

Posted Date: 16 Dec 2025

Network Security Engineer

Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local... and Sustainment (NSIS) Services section as a Senior Network Security Engineer. In this role, you’ll leverage your engineering...

Location: Columbia, MD
Posted Date: 24 Oct 2025

Network Engineer 4 - Springfield, VA

, including U.S. Citizenship, for access to classified information. ACTIVE TS/SCI is REQUIRED Education: Bachelor’s degree... a Network Engineer 4 to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit...

Company: M.C. Dean
Location: Springfield, VA
Posted Date: 10 Oct 2025

Cybersecurity Systems Administrator

your cyber expertise and drive for innovation to GDIT. The Cybersecurity Administrator Senior must have: Education: Bachelor... is a plus Previous cyber system administration is a plus Linux experience Security clearance level: TS/SCI clearance...

Posted Date: 19 Dec 2025
Salary: $106250 - 143750 per year

SITEC - Service Now Administrator - MacDill AFB

. We are seeking an experienced Senior ITSM Administrator to lead the administration and management of our ServiceNow platform... DoD 8570 IAT II Certification DoD TS/SCI clearance Desired Qualification: 5+ years of experience as an ITSM...

Company: Peraton
Posted Date: 17 Dec 2025
Salary: $80000 - 128000 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

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