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
systems administrator it specialist

Systems Administrator It Specialist Jobs

Showing 2,581 Jobs

Sort by:
user avatar
Senior Elastic Architect/Engineer
ASRC Federal•Quantico, VA
Secret Not Specified
ASRC Federal is a leading government contractor furthering missions in space, public health and defense. As an Alaska Native owned corporation, our work helps secure an enduring future for our shareho...
Promoted•Posted 1 day ago
user avatar
Mid-Level Model Based Systems Engineer
PMAT Inc.•Multiple Locations
Secret Not Specified 5+ yrs exp $80,000 - $100,000 / yr
At PMAT, we work on mission critical systems that directly support the warfighter, designing, building, and securing modern digital capabilities across cloud, data, and software environments. Our team...
Promoted•Posted 12 hours ago
user avatar
Specialist Systems Administration
L3Harris Technologies•Chantilly, VA
TS/SCI CI Polygraph $79,500 - $147,000 / yr
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...
Posted 2 weeks ago
D
IT SPECIALIST (SYSTEMS ADMINISTRATION)
Department of the Army•Leavenworth, KS
Top Secret Not Specified 5+ yrs exp $89,558 - $116,432 / yr
THIS IS A NATIONAL GUARD TITLE 32 EXCEPTED SERVICE POSITION.This National Guard position is for a IT SPECIALIST (SYSTEMS ADMINISTRATION), Position Description Number D2476000 and is part of the KS Joi...
Posted 1 week ago
A
IT SPECIALIST (SYSTEMS ADMINISTRATION)
Army National Guard Units•Fort Dix, NJ
Secret Not Specified 5+ yrs exp $88,005 - $114,413 / yr
SummaryThis National Guard position is for a IT SPECIALIST (SYSTEMS ADMINISTRATION), Position Description Number D2489P01and is part of the NJ JFHQ G6, National Guard.NATIONAL GUARD MEMBERSHIP IS REQU...
Posted 1 month ago
user avatar
Centralized System Administration Specialist
Empower AI•Washington, DC
Secret Not Specified 5+ yrs exp
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...
Posted 1 month ago
user avatar
Systems Administrator (NetApp Specialist)
Akima•Shaw, SC
Secret Not Specified
Akima Systems Engineering is seeking a System Administrator (NetApp Specialist) to support operations at Shaw Air Force Base, SC. The System Administrator - NetApp Specialist provides Systems Administ...
Posted 2 weeks ago
user avatar
Senior Specialist, Systems Administrator
L3Harris Technologies•Palm Bay, FL
TS/SCI Full Scope Polygraph
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...
Posted 2 months ago
user avatar
Senior Specialist Systems Administrator
L3Harris Technologies•Rochester, NY
TS/SCI CI Polygraph $79,500 - $147,500 / yr
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...
Posted 2 weeks ago
D
SUPERVISORY IT SPECIALIST (SYSTEMS ADMINISTRATION)
Department of the Army•Columbia, SC
Secret Not Specified 5+ yrs exp $89,508 - $116,362 / yr
SummaryThis is a National Guard Title 32 Excepted position for a SUPERVISORY IT SPECIALIST (SYSTEMS ADMINISTRATION), Position Description Number PDD2490P02, and is part of the SC USPFO, South Carolina...
Posted 4 days ago
user avatar
(Linux Administrator) Sr. Specialist, Systems Administration 1
L3Harris Technologies•Tulsa, OK
Secret Not Specified
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...
Posted 1 week ago
user avatar
IT Support Specialist / Systems Administrator I
Cencore Group•Springville, UT
TS/SCI Not Specified
DescriptionCenCore is seeking an IT Support Specialist / Systems Administrator I to provide hands-on technology support across the company's Springville and Payson, Utah locations. This role serves as...
Posted 2 weeks ago
user avatar
Application Support Specialist / Systems Administrator
C3EL•Scott Afb, IL
Secret Not Specified 5+ yrs exp
Application Support Specialist / Systems AdministratorScott AFB, ILApplyOverview:Job Title: Application Support Specialist / Systems Administrator Security Clearance: Secret (or higher) Location: Scot...
Posted 1 month ago
D
Information Technology Specialist (Systems Administration)
Department of Defense•Not provided
TS/SCI Not Specified
Duties Serves as Senior Information Technology (IT) Specialist, Virtualization Systems Administrator and Analyst in the Systems Management Branch for the United States Army Regional Cyber Center-Kor...
Posted 1 week ago
user avatar
System Administrator / Cybersecurity Specialist- Taiwan
RTX•Boston, MA
Secret Not Specified $86,800 - $165,200 / yr
Date Posted:2026-09-11Country:United States of America Location:XX-XX-UNDISCLOSED Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S....
Posted 1 month ago
D
IT SPECIALIST (SYSTEMS ADMINISTRATION/CUSTOMER SUPPORT)
Department of Defense•Not provided
Secret Not Specified
Duties Serve as a Picture Archiving and Communication System (PACS) Administrator across the DHN Europe radiology footprint. Manage regional diagnostic imaging systems and IT architecture, ensuring ...
Posted 21 hours ago
U
Information Technology Specialist (Systems Administration)
U.S. Army Cyber Command•South Korea
Top Secret Not Specified 5+ yrs exp $84,109 - $109,344 / yr
About the Position: This position is a DOD Cyber Excepted Service (CES) personnel system position in the Excepted Service under 10 USC 1599f. Employees occupying CES positions are in the Excepted Serv...
Posted 1 week ago
user avatar
IT Systems Administrator and Security Specialist (5049)
Three Saints Bay•Newport, RI
Public Trust Not Specified
OLH Technical Services, a subsidiary of Three Saints Bay, LLC, and a Federal Government Contractor industry leader, is seeking an IT Systems Administrator and Security Specialist to join our Team in N...
Posted over 6 months ago
D
Information Technology Specialist System Administrator
Department of Defense•Fort Huachuca, AZ
Secret Not Specified
Duties Performs work as a System administrator working independently or as a team member of the Server Management Branch. Manages VMware Server Virtual Infrastructure by maintaining its operability ...
Posted 2 weeks ago
D
Information Technology Specialist System Administrator
Department of the Army•Fort Huachuca, AZ
Secret Not Specified 5+ yrs exp $91,205 - $124,649 / yr
About the Position: This position is a DOD Cyber Excepted Service (CES) personnel system position in the Excepted Service under 10 USC 1599f. Employees occupying CES positions are in the Excepted Serv...
Posted 2 weeks ago
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