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 1,991 Jobs

Sort by:
D
IT SPECIALIST (SYSTEMS ADMINISTRATION)
Department of the Army•Lincoln, NE
Secret Not Specified
DutiesAs a IT SPECIALIST (SYSTEMS ADMINISTRATION), GS-2210-9/11, duties include: 1. Manages all assigned servers and server resources, analyzing and defining requirements; analyzing workload; monitor...
Posted 5 months ago
user avatar
Specialist, Systems Administration
L3Harris Technologies•Melbourne, FL
Secret Not Specified $79,000 - $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 1 month ago
user avatar
Specialist, System Administration
L3Harris Technologies•Chantilly, VA
TS/SCI CI Polygraph $92,500 - $171,500 / 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
user avatar
Specialist, System Administration
L3Harris Technologies•Waco, TX
TS/SCI 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 2 days ago
user avatar
Senior Specialist, Systems Administration
L3Harris Technologies•Washington D.c, DC
Secret Not Specified $91,500 - $170,500 / 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 4 months ago
user avatar
Advanced Systems Administration Specialist
General Dynamics Mission Systems•Pittsfield, MA
Secret Not Specified $111,881 - $121,059 / yr
Basic Qualifications Education Requirements: Bachelor's degree in Computer Science, a related field or equivalent experience is required plus a minimum of 5 years of relevant experience; or Master's d...
Posted 1 month ago
user avatar
Systems Administrator Specialist - Intermediate
Five Stones Research Corporation•Fort Huachuca, AZ
Secret None
Position Overview Type: Full-Time, Exempt Location: Ft. Huachuca, AZ Travel: None expected Clearance: Department of Defense (DoD) Secret security clearance, or the ability to obtain one. Work Authoriz...
Posted 1 month ago
user avatar
Senior Specialist, Systems Administration
L3Harris Technologies•Fort Wayne, IN
TS/SCI CI 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 1 month ago
user avatar
Specialist, Linux Systems Administration
L3Harris Technologies•Melbourne, FL
Public Trust 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 month ago
user avatar
Senior Specialist, Systems Administration
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 3 weeks ago
user avatar
Senior Specialist, Systems Administrator
L3Harris Technologies•Melbourne, FL
Secret Not Specified $91,500 - $170,500 / 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
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 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
user avatar
Senior Systems Administrator - COMSEC Specialist
Modern Technology Solutions, Inc.•Washington, DC
TS/SCI Not Specified
MTSI is seeking a Senior Systems Administrator - COMSEC Specialist whose primary function will be to lead/support development, testing and integration of advanced communication systems. This position ...
Posted 5 months ago
user avatar
Senior Specialist, Linux Systems Administration
L3Harris Technologies•Melbourne, FL
Public Trust 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 month ago
user avatar
IT Support Specialist & Systems Administrator
Booz Allen Hamilton•Honolulu, HI
TS/SCI Not Specified $52,900 - $108,000 / yr
Job Number: R0240700IT Support Specialist & Systems AdministratorThe Opportunity:Provides in-depth support and leads problem solving and implementation efforts for specific technology products or appl...
Posted 2 weeks ago
D
INFORMATION TECHNOLOGY SPECIALIST (SYSTEMS ADMINISTRATION)
Department of the Navy•Jacksonville, FL
Top Secret Not Specified
Duties You will installing, configuring, and managing servers, computers, network devices, and other IT infrastructure components within the FRCSE environment. You will ensuring system security and ...
Posted 6 days ago
D
INFORMATION TECHNOLOGY SPECIALIST (SYSTEMS ADMINISTRATION)
Department of Defense•Naval Air Station Jacksonville, FL
Top Secret Not Specified
Duties You will installing, configuring, and managing servers, computers, network devices, and other IT infrastructure components within the FRCSE environment. You will ensuring system security and ...
Posted 6 days ago
D
IT Specialist (System Administration/Customer Support)
Department of Defense•Fort Leavenworth, KS
Secret Not Specified
Duties Provides direct technical assistance, including hands-on support for software installations, hardware configurations, and communication networking setup. Instruct customers on effective data ...
Posted 2 days ago
user avatar
Senior Specialist, Systems Administrator (Cyber Infrastructure S
L3Harris Technologies•Rochester, NY
Top Secret Polygraph $92,500 - $171,500 / 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 1 month 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