ClearanceJobs
  • Candidates
  • Employers
  • Hiring Companies
  • News & Career Advice
  • Login
  • Register now

Systems Administator Jobs

systems administator

Viewing 1 - 20 of 2,227

Systems Administator Jobs requiring security clearance

Show:
Sort by:

IT Security Specialist

Summit Human Capital
Remote/Hybrid(On/Off-Site)
Posted 2 weeks ago
5+ yrs exp
Secret

Summit Human Capital is seeking a fully remote IT Security Specialist to support a government program with a Secret clearance desired. The ideal candidate will meet the following criteria: Responsib...

user avatar

Senior Systems Analyst

MANTECH
Chantilly, VA(On-Site/Office)
Posted 3 weeks ago
Top Secret
Not Specified

MANTECH seeks a motivated, career and customer-oriented Senior Systems Analyst to join our team in Chantilly, VA. The position is onsite.Responsibilities include, but are not limited to:Providing Tier...

user avatar

HPC Data Storage Engineer

American Systems Corporation
Arlington, VA(On-Site/Office)
Posted 2 months ago
TS/SCI
Not Specified

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Pro...

user avatar

HPC Data Storage Engineer

American Systems Corporation
Arlington, VA(On-Site/Office)
Posted 3 weeks ago
TS/SCI
Not Specified

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Pro...

user avatar

Senior Network Deployment Engineer

MANTECH
Chantilly, VA(On-Site/Office)
Posted 1 week ago
TS/SCI
Not Specified

MANTECH seeks a motivated, career and customer-oriented Senior Network Deployment Engineer to join our team in Chantilly, VA. This is an onsite position.Responsibilities include but are not limited t...

user avatar

Systems Administrator

Concept Plus LLC
Fairfax, VA(On-Site/Office)
Posted 2 months ago
Confidential
Not Specified

About Concept Plus Concept Plus is a mission-focused technology solutions provider that transforms IT concepts into impactful solutions for federal agencies. Headquartered in Fairfax, VA, we bring the...

user avatar

Network System Administrator (Top Secret)

New
Zachary Piper Solutions, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Fort Meade, MD(On-Site/Office)
Posted 2 days ago
Top Secret
Not Specified

Zachary Piper Solutions is seekinga Network System Administrator to support an enterprise DoD network for DISA at Ft. Meade, MD. The team is seeking an individual who is well-versed with system operat...

user avatar

Senior System Administrator

Amentum
Springfield, VA(On-Site/Office)
Posted 1 month ago
TS/SCI
Polygraph

Your Impact:Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Senior System Administrator to join our team of passi...

user avatar

Sr. Systems Administrator

ClearanceJobs
Fort Meade, MD(On-Site/Office)
Posted 3 months ago
10+ yrs exp
Intel Agency
Full Scope Polygraph

Summary: ClearanceJobs, on behalf of one of our customers, is currently seeking a full-time Senior System Administrator to work on-site in Fort Meade, MD. This position requires active TS/SCI cleara...

user avatar

System Administrator (Linux / Containers)

New
ClearanceJobs
Apply today! Be one of the first candidates to apply for maximum exposure.
Fort Meade, MD(On-Site/Office)
Posted 1 day ago
10+ yrs exp
Intel Agency
Full Scope Polygraph

ClearanceJobs is seeking an experienced System Administrator to support a mission-critical customer in Fort Meade, MD. This role supports large-scale Linux/Unix environments and modern containerized i...

user avatar

Systems Administrator

ALKU
Sterling, VA(On/Off-Site)
Posted 3 weeks ago
TS/SCI
CI Polygraph

Senior Systems Administrator Program Description: Our client is prime on a contract that is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system maint...

user avatar

SharePoint Administrator

Eliassen Group
Quantico, VA(On-Site/Office)
Posted 1 week ago
Secret

Position Summary The SharePoint Administrator is responsible for the operation, security, governance, and performance of the SharePoint and M365 environment. This role ensures the platform is secure, ...

user avatar

Expert GIS Database Administrator

CCS Global Tech
Fort Liberty, NC(On-Site/Office)
Posted 2 weeks ago
Top Secret
Not Specified

We are seeking an experienced Expert GIS Database Administrator to join our team. This role is critical in managing, optimizing, and maintaining our geographic information system (GIS) databases t...

user avatar

Middleware Engineer

22nd Century Technologies, Inc.
Kansas City, MO(On-Site/Office)
Posted 1 month ago
Secret
Not Specified

Position: Middleware Engineer Location: Kansas City, MO Clearance : Secret Roles and Responsibilities: The FSB Infrastructure Engineer is responsible for build, automation, support, management, and ...

user avatar

Systems Administrator

Country Intelligence Group
Fort Meade, MD(On-Site/Office)
Posted 4 months ago
10+ yrs exp
TS/SCI
Full Scope Polygraph

Systems Administrator Country Intelligence Group is seeking a Full-Time Systems Administrator to support our client in the deployment, administration, and sustainment of complex IT systems in Fort M...

user avatar

System Administrator

Koniag Government Services
Washington, DC(On-Site/Office)
Posted 2 months ago
Secret
Not Specified

Arlluk Technology Solutions, LLC, a Koniag Government Services company, is seeking a System Administrator with a Secret Clearance to support ATS and Department of State the Office of Foreign Missions ...

user avatar

Network Administrator

New
ValidaTek
Apply today! Be one of the first candidates to apply for maximum exposure.
Washington, DC(On-Site/Office)
Posted 3 days ago
Secret
Not Specified

Company OverviewAt ValidaTek, we modernize and optimize IT services to solve some of the most critical challenges facing federal civilian and defense agencies. From customers to partners to top-talent...

user avatar

Systems Administrator

acuCyber
Norfolk, VA(On-Site/Office)
Posted 1 week ago
TS/SCI
Not Specified

DescriptionThis role will install, configure, troubleshoot, and maintain hardware and software, and administer system accounts. The role will administer and maintain Cyber OT&E infrastructure, toolse...

user avatar

Assistant Contract Technical Representative (ACTR)

22nd Century Technologies, Inc.
Great Lakes, IL(Off-Site/Hybrid)
Posted 1 month ago
5+ yrs exp
Secret

Assistant Contract Technical Representative (ACTR) Location: Hybrid (3-4 times a week) at Naval Service Training Command (NSTC), Great Lakes, IL Job Description About the Role The ACTR (Activity Con...

user avatar

System Administrator SA2 -TS/SCI w/ POLY security clearance req

Power3 Solutions
Annapolis Junction, MD(On-Site/Office)
Posted 4 months ago
TS/SCI
Polygraph

Power 3 Solutions and it's partners are looking to hire a System Administrator Level 2 for a great opportunity in the Annapolis Junction area. A current and active TS/SCI Clearance with a Maryland P...

user avatar
ClearanceJobs
  • About Us
  • Support
  • Browse Jobs
  • Security Clearance FAQs
  • AgileATS
  • FedWork
  • Blog
  • Privacy Policy
  • Terms of Service
  • My Privacy Rights
  • Pay My Bill
  • Contact Us
  • EULA
Download on the App StoreGet it on Google Play

© 2026 ClearanceJobs - All rights reserved. ClearanceJobs is a DHI service.