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
IT - Security

IT - Security Jobs

Showing 4,425 Jobs

Sort by:
user avatar
Electrical Engineer II - Test
RTX•Huntsville, AL
Public Trust Not Specified $68,900 - $131,100 / yr
Date Posted:2026-09-22Country:United States of America Location:US-AL-HUNTSVILLE-401 ~ 401 Jan Davis Dr NW ~ JAN DAVIS 401 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status R...
Promoted•Posted 3 weeks ago
user avatar
CNC Programmer (Mastercam)
ClearanceJobs Workforce Solutions•Tullahoma, TN
Unspecified 5+ yrs exp $75,000 - $90,000 / yr
On behalf of our aerospace R&D client, ClearanceJobs Talent Solutions Team is seeking a CNC Programmer to join the team in Tullahoma, TN. We are seeking an experienced CNC Programmer to analyze, tool...
Promoted•Posted 1 month ago
user avatar
WINDOWS SYSTEM ADMINISTRATOR: TS/SCI with Full Scope Poly
Inferno Systems•Chantilly, VA
Unspecified Full Scope Polygraph 10+ yrs exp $150,000 - $275,000 / yr
WINDOWS SYSTEM ADMINISTRATOR: TS/SCI with Full Scope Poly Inferno Systems• Chantilly, VA 20151 APPLY NOW View Company's Profile Today Top Secret/SCI On-Site/Office Sr Level Career (8+ yrs experience...
Posted just now
user avatar
OPERATIONAL SYSTEM ENGINEER: TS/SCI w/ FS Poly
Inferno Systems•Chantilly, VA
TS/SCI Full Scope Polygraph 5+ yrs exp $150,000 - $275,000 / yr
OPERATIONAL SYSTEM ENGINEER Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB SUMMARY: Inferno Systems is looking for c...
Posted just now
user avatar
DevOps Engineer: TS/SCI with Full Scope Poly
Inferno Systems•Chantilly, VA
TS/SCI Full Scope Polygraph 5+ yrs exp $200,000 - $300,000 / yr
DevOps Engineer Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Systems is currently looking for...
Posted just now
user avatar
Network Security Analyst-TS/SCI with FS Poly
Inferno Systems•Chantilly, VA
TS/SCI Full Scope Polygraph 10+ yrs exp $150,000 - $275,000 / yr
NETWORK SECURITY ANALYST: Senior Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Systems i...
Posted just now
user avatar
Network Security Engineer-TS/SCI with FS Poly
Inferno Systems•Chantilly, VA
TS/SCI Full Scope Polygraph 5+ yrs exp $150,000 - $275,000 / yr
NETWORK SECURITY ENGINEER: Expert Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: If you are looki...
Posted just now
user avatar
Technical Operator-HUMINT/SIGINT Specialist: TS/SCI with FS Poly
Inferno Systems•Chantilly, VA
TS/SCI Full Scope Polygraph 10+ yrs exp $150,000 - $275,000 / yr
TECHNICAL OPERATOR: Full Performance Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Syste...
Posted just now
user avatar
Cyber Network Operator-TS/SCI with FS Polygraph
Inferno Systems•Chantilly, VA
TS/SCI Full Scope Polygraph 10+ yrs exp $150,000 - $275,000 / yr
CYBER NETWORK OPERATOR: Expert Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Systems is ...
Posted just now
user avatar
Sr Linux System Administrator-TS/SCI with FS Poly
Inferno Systems•Chantilly, VA
TS/SCI Full Scope Polygraph 10+ yrs exp $150,000 - $275,000 / yr
LINUX SYSTEM ADMINISTRATOR: Expert Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno System...
Posted just now
user avatar
Security Officer Enhanced Part Time Identity Access Review
Allied Universal•Charlotte, NC
Secret Not Specified
OverviewAllied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and ...
Posted 6 hours ago
user avatar
Security Officer Part Time Identity Verification
Allied Universal•Baltimore, MD
Secret Not Specified
OverviewAllied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and ...
Posted 6 hours ago
user avatar
Security Officer Enhanced Identity Verification
Allied Universal•Dayville, CT
Secret Not Specified
OverviewAllied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and ...
Posted 6 hours ago
user avatar
Vulnerability Research Analyst
Two Six Technologies•Linthicum, MD
TS/SCI Polygraph $157,847 - $236,771 / yr
At Two Six Technologies, we build, deploy, and implement innovative products that solve the world's most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the bou...
Posted 6 hours ago
user avatar
Sr Manager, Cybersecurity
Workday•Multiple Locations
Top Secret Not Specified 10+ yrs exp $216,000 - $324,000 / yr
Your work days are brighter here.We’re obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing p...
Posted 9 hours ago
user avatar
Information Systems Security Officer Level 1
Markon•Annapolis Junction, MD
TS/SCI Polygraph 5+ yrs exp $155,000 - $165,000 / yr
Markon is seeking an experienced Information Systems Security Officer Level 1 to support the Fort Meade customer. This role will support information systems security operations, maintain compliance wi...
Posted 10 hours ago
user avatar
Cryptography Subject Matter Expert
TAD PGS•Laurel, MD
Secret Not Specified 5+ yrs exp
Job DetailsCryptography Subject Matter ExpertLocation: Laurel, MDPosted: 10/13/2026Job Description:We are seeking a highly experienced Cryptography Subject Matter Expert to join our team in Laurel, MD...
Posted 10 hours ago
user avatar
Cryptography Subject Matter Expert
TAD PGS•Laurel, MD
Secret Not Specified 5+ yrs exp
Job DetailsCryptography Subject Matter ExpertLocation: Laurel, MDPosted: 10/13/2026Description:We are seeking a highly experienced Cryptography Subject Matter Expert to join our team in Laurel, MD. Th...
Posted 10 hours ago
user avatar
Cryptography Subject Matter Expert
TAD PGS•Laurel, MD
TS/SCI Full Scope Polygraph 10+ yrs exp
Job DetailsCryptography Subject Matter ExpertLocation: Laurel, MDPosted: 10/13/2026Job Description:We are seeking a highly experienced Cryptography Subject Matter Expert to join our team in Laurel, MD...
Posted 10 hours ago
user avatar
Cryptography Subject Matter Expert
TAD PGS•Laurel, MD
Secret Not Specified 5+ yrs exp
Job DetailsJob Title: Cryptography Subject Matter ExpertLocation: Laurel, MDPosted: 10/13/2026Description:This position is for a Cryptography Subject Matter Expert to support critical national securit...
Posted 10 hours 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