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

Systems Admin Jobs

systems admin

Viewing 1 - 20 of 719

Systems Admin Jobs requiring security clearance

Show:
Sort by:

Systems Admin

Ampcus Inc
Arlington, VA(On/Off-Site)
Posted over 6 months ago
5+ yrs exp
Secret

Responsibilities: - Correlating incident data to identify specific trends in reported incidents - Recommending defense in depth principles and practices (i.e. Defense in Multiple Places, layered defen...

user avatar

System Admin

Insight Global, Inc.
Reston, VA(On-Site/Office)
Posted 3 weeks ago
2+ yrs exp
TS/SCI
CI Polygraph

Required Skills & Experience - REQUIRES AN EXISTING/ACTIVE TS/SCI WITH CI POLYGRAPH - IAT level 2 • Linux OS (CentOS, RHEL) administration. • Satellite server administration. • Ansible playbook writin...

user avatar

Systems Admin

TEKsystems c/o Allegis Group
Twentynine Palms, CA(On-Site/Office)
Posted 2 weeks ago
5+ yrs exp
Secret

Leidos, Inc. Hiring Manager Marc Raab Duration 2 year contract Description Leidos has an urgent need for a Systems Admin at Camp Pendleton to backfill our consultant that did not give notice yet. ...

user avatar

Junior System Admin

Prescient Edge
Mclean, VA(On-Site/Office)
Posted over 6 months ago
Secret
Not Specified

Minotaur Systems and Network Administrator (MSNA) The requirements listed define the Minotaur Systems and Network Administrator (MSNA) responsibilities and tasking. The MSNA is an educated, qualified ...

user avatar

Senior System Admin

22nd Century Technologies, Inc.
Naples(On-Site/Office)
Posted over 6 months ago
Secret
Not Specified

Job Title: Sr. Service Desk Support Technician Location with zip code: Alexandria, VA Duration: Full time Clearance Required: Secret Certification Required: Current DoD 8570 IAT Level II ...

user avatar

Senior Systems Admin

Anonymous Employer
Tampa, FL(On-Site/Office)
Posted 2 months ago
5+ yrs exp
TS/SCI

Senior Systems Administrator | High-Impact Mission Looking to be part of something bigger? We’re supporting U.S. Special Operations Command and need a Senior Systems Administrator who thrives in fast...

A

Linux Systems Admin

NasTech Global, Inc.
Herndon, VA(On-Site/Office)
Posted 1 month ago
TS/SCI
CI Polygraph

Systems Administrator - TS//SCI with CI Poly to start Work Location: Littleton, CO / Valley Forge, King of Prussia, PA / Herndon, VA / Springfield, VA Linux Administrator SME for support teams which ...

user avatar

SYSTEM ENGINEER / ADMIN

CEdge Software Consultants
Washington, DC(On-Site/Office)
Posted 1 month ago
10+ yrs exp
Public Trust

CEdge has an opportunity for a System engineer , located in Washington,dc. If you are ready to work alongside World Renowned Technology experts, and carry the skills below, this is the opportunity tha...

user avatar

System Admin L2

Catapult Staffing
Saint Louis, MO(On/Off-Site)
Posted 1 month ago
TS/SCI

System Administrator II (L2) Duration: 12 months (expected) Location: On-site 5 days/week (St. Louis, MO) Overview The System Administrator II supports Closed Area operations by providing advanc...

user avatar

Systems Admin L3

Catapult Staffing
Saint Louis, MO(On/Off-Site)
Posted 1 month ago
TS/SCI

Systems Admin L3 Clearance: Active DoD SCI required pre-start Location: St. Louis, MO (On-site 5 days/week) Duration: 12 months (expected) Need to be local to St. Louis and available to come on-site...

user avatar

Windows System Admin

Insight Global, Inc.
Arlington, VA(On-Site/Office)
Posted 3 weeks ago
5+ yrs exp
TS/SCI

REQUIRED SKILLS AND EXPERIENCE - Active TS/SCI security clearance - Currently possess DoD 8750 certification at least IAT level II, e.g Security+ce. - Bachelor's degree and 4+ years of overall related...

user avatar

Secret System Admin

Insight Global, Inc.
Quantico, VA(On-Site/Office)
Posted 1 week ago
5+ yrs exp
Secret

Required Skills & Experience • 6 years relevant experience with Bachelors in related field or 4 years relevant experience with Masters in related field or High School Diploma or equivalent and 10 yea...

user avatar

Systems Admin L2

New
Jovian Concepts, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Annapolis Junction, MD(On-Site/Office)
Posted 1 week ago
10+ yrs exp
TS/SCI
Full Scope Polygraph

Jovian Concepts, LLC is looking to hire a Systems Administrator Level 2 versed in SQL-based database systems for a great opportunity in the Annapolis Junction, MD area. A current and active TS/SCI cl...

user avatar

Secret System Admin

New
Insight Global, Inc.
Virginia Beach, VA(On-Site/Office)
Posted 4 days ago
5+ yrs exp
Secret

JOB DESCRIPTION Insight Global is looking for a System Admin onsite in Virginia Beach, VA. The System Administrator is responsible for administration, maintenance, and cybersecurity defense of all cli...

user avatar

Systems Admin L1

New
Jovian Concepts, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Annapolis Junction, MD(On-Site/Office)
Posted 2 days ago
5+ yrs exp
TS/SCI
Full Scope Polygraph

Jovian Concepts, LLC is looking to hire an Enterprise Infrastructure Support Systems Administrator Level 1 for a great opportunity in the Annapolis Junction, MD area. A current and active TS/SCI clear...

user avatar

Systems Admin - M365 Admin - Migration 102119

Information Technology Engineering Corporation
Remote/Hybrid
United States(On-Site/Office)
Posted 1 month ago
Unspecified
None

Systems Admin-M365 Admin-Migration Location: Remote Required Clearance: Top Secret/DOE Q Since 1999, ITEC has delivered mission-critical support to the DoD and Intelligence Community. N...

user avatar

Systems Engineer: System Admin

New
Lockheed Martin
Schriever Afb, CO(On-Site/Office)
Posted 3 days ago
Secret
Not Specified

Job Number 731110BR Description:WHO WE ARELockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future ...

user avatar

Cyber Analyst - Network/System Admin & System Admin Task

Peraton
Beale Afb, CA(On-Site/Office)
Posted 1 week ago
TS/SCI
Not Specified

About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...

user avatar

System Administrator (Health IT System ADMIN)

BEAT LLC
San Antonio, TX(On-Site/Office)
Posted 1 month ago
Secret
Not Specified

Job Title:System Administrator (Health IT System ADMIN)Location: San Antonio TXClearance: SecretEducation: BS Computer Science Degree or related field, preferred, or military training, or Cloud +, or ...

user avatar

TSSCI Windows System Admin

Insight Global, Inc.
Arlington, VA(On-Site/Office)
Posted 2 weeks ago
5+ yrs exp
TS/SCI

Required Skills & Experience Active TS/SCI security clearance Currently possess DoD 8750 certification at least IAT level II, e.g Security+ce. Bachelor's degree and 4+ years of overall related experi...

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