ClearanceJobs
  • Candidates
  • Employers
  • Hiring Companies
  • News & Career Advice
  • Login
  • Register now
Experience
City
State
Clearance
Posted Within
Employer Name
Country
Job Category
Job Type
Polygraph
Remote/Hybrid
Salary
linux unix systems administrator

Linux Unix Systems Administrator Jobs

Showing 541 Jobs

Sort by:

OCONUS Senior Systems Administrator (location is Camp Humphreys,

Empower AI
Jongno-gu(On-Site/Office)
Posted over 6 months ago
Secret
Not Specified

OverviewEmpower AI is AI for government. Empower AI gives federal agency leaders the tools to elevate the potential of their workforce with a direct path for meaningful transformation. Headquartered i...

user avatar

IMIS System Administrator, F-22 - Level 3

Lockheed Martin
Hill Air Force Base, UT(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

Job Number 732354BR Description:Join the Lockheed Martin Aeronautics Field Sustainment Team as an IT Systems Administrator for our Hill AFB, Utah office. As critical members of the F-22 Depot Operati...

user avatar

ISSE

New
Zeta Associates Inc
Apply today! Be one of the first candidates to apply for maximum exposure.
Fairfax, VA(On-Site/Office)
Greenwood Village, CO(On-Site/Office)
Posted 2 days ago
5+ yrs exp
Intel Agency

Information System Security Engineer Fairfax, VA or Greenwood Village, CO Active TS/SCI w/CI Poly Clearance is Required Job Description: Seeking an Information System Security Engineer (ISSE). The...

user avatar

SIEM Engineer (ElasticStack) - Clearance Required

Cydecor
Wiesbaden(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

Cydecor is a premier Federal Government solutions provider, delivering differentiated innovations in mission systems and business platforms. We leverage leading-edge secure systems and software devel...

user avatar

Site Reliability Engineer

Nightwing
Sterling, VA(On-Site/Office)
Posted over 6 months ago
TS/SCI
Polygraph

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabi...

user avatar

Desktop Services System Administrator (Level I and II)

TAP Engineering LLC
Fort Meade, MD(On-Site/Office)
Posted 5 months ago
TS/SCI
Polygraph

Desktop Services System Administrator Job ID: TAP00146 Position: System Admin Level I / II Location: Fort Meade, MDCategory: TechnicalClearance Requirement: Active TS/SCI with Polygraph (most rece...

T

Enterprise Service Desk Technician

New
Zachary Piper Solutions, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Kansas City, MO(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

Zachary Piper Solutions is looking for an Enterprise Service Desk Technician to join a large federal program supporting Navy and Marine Corps programs. This is a full-time position and onsite in Kansa...

user avatar

Enterprise Service Desk Technician

New
Zachary Piper Solutions, LLC
New Orleans, LA(On-Site/Office)
Posted 3 days ago
Secret
Not Specified

Zachary Piper Solutions is looking for an Enterprise Service Desk Technician to join a large federal program supporting Navy and Marine Corps programs. This is a full-time position and onsite in New O...

user avatar

Systems Administration

Indotronix International Corp
Melbourne, FL(On/Off-Site)
Posted over 6 months ago
5+ yrs exp
Public Trust

Job Title: Systems Administration - Contractor - L4 Location: Melbourne, Florida, USA, 32919 Duration : 12 Months(Temp to Perm) Pay Rate$60/hr on w2(110k) Must Have- JOB DESCRIPTION: Candidate wi...

user avatar

System Admin

Apex Systems
Ridley Park, PA(On-Site/Office)
Posted 2 weeks ago
2+ yrs exp
Secret

System Admin II Interested candidates should apply directly to svalle@apexsystems.com Level 2 Technician should be proactive in meeting customer expectations by resolving tickets, completing projec...

user avatar

Oracle Web Administrator - Secret Cleared

Zachary Piper Solutions, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Ogden, UT(On-Site/Office)
Posted 1 month ago
Secret
Not Specified

Zachary Piper Solutions is seeking an Oracle Web Administrator to join a Federal Program located at Hill Air Force Base. The Oracle Web Administrator will c reate and maintain internal and externa...

user avatar

Unix/Linux Network and Computer Systems Administrator

Bart & Associates, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Portsmouth, VA(On-Site/Office)
Posted 1 month ago
Top Secret
Not Specified

DescriptionSenor Network and Computer Systems AdministratorAt B&A, we foster and embrace a distinct set of values that we live by and instill in all aspects of our organization: dedication, commitment...

user avatar

Linux Server Systems Administrator

Leidos
Bethesda, MD(On-Site/Office)
Posted 3 months ago
TS/SCI
Polygraph

R-00177929Description Leidos is looking to fill a Linux Server Systems Administrator position to support the National Digital Exploitation & OSINT Center (NDOC). This role requires an individual t...

user avatar

Sr Principal Windows / VMWare Systems Administrator - Polygraph

Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Linthicum Heights, MD(On-Site/Office)
Posted 1 month ago
TS/SCI
Polygraph

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: PolygraphTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incred...

user avatar

Ground System Engineer ADP - Level 3

Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
Nas Pax River, MD(On-Site/Office)
Posted 2 weeks ago
Top Secret
Not Specified

Job Number 732098BR Description:We are Lockheed Martin At Lockheed Martin Aeronautics, we're takinginnovation to the next level. From designing themost advanced air vehicle to designing aircraftthat ...

user avatar

Ground System Engineer ADP - Level 4

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
Nas Pax River, MD(On-Site/Office)
Posted 1 week ago
Top Secret
Not Specified

Job Number 732758BR Description:We are Lockheed Martin At Lockheed Martin Aeronautics, we're takinginnovation to the next level. From designing themost advanced air vehicle to designing aircraftthat ...

user avatar

Linux or Unix System Administrator

Peerless Technologies Corporation
Dayton, OH(On-Site/Office)
Posted 2 months ago
TS/SCI
Not Specified

Peerless is searching for a highly skilled Mid-Senior Level Software Engineer who can hit the ground running in a fast-paced, secure environment. The ideal candidate will be a Linux or Unix-focused te...

user avatar

Linux Team Lead

New
Leidos
Apply today! Be one of the first candidates to apply for maximum exposure.
Bethesda, MD(On-Site/Office)
Posted 2 days ago
TS/SCI
Polygraph

R-00186080Description Leidos is looking to fill a Linux Team Lead position to support the National Digital Exploitation & OSINT Center (NDOC). This role requires an individual that has technical e...

user avatar

System Administrator

New
Cornerstone Defense
Herndon, VA(On-Site/Office)
Posted 1 week ago
TS/SCI
Polygraph

System Administrator Herndon, VA Active TS/SCI with Polygraph Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of th...

user avatar

Senior Systems Administrator Unix/Linux

Caelum Research Corporation
Dahlgren, VA(On/Off-Site)
Posted over 6 months ago
5+ yrs exp
Top Secret

Clearance Required: Top Secret Education: Bachelor’s degree in IT or related field Experience: 6+ years About the Role: As a Senior Unix/Linux Administrator, you’ll keep mission-critical Navy systems...

user avatar
ClearanceJobs
  • About Us
  • Support
  • Browse Jobs
  • Security Clearance FAQs
  • AgileATS
  • FedWork
  • Blog
Download on the App StoreGet it on Google Play
© 2026 ClearanceJobs - All rights reserved. ClearanceJobs is a DHI service .
  • Pay My Bill
  • EULA
  • Privacy Policy
  • Terms of Service
  • My Privacy Rights
  • Contact Us