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 3,886 Jobs

Sort by:
user avatar
Security Software Engineer - Endpoint Security
Anduril Industries•Atlanta, GA
Secret Not Specified
Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...
Posted 2 hours ago
user avatar
Security Software Engineer - Endpoint Security
Anduril Industries•Washington, DC
Secret Not Specified
Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...
Posted 2 hours ago
user avatar
Security Software Engineer - Endpoint Security
Anduril Industries•Boston, MA
Secret Not Specified
Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...
Posted 2 hours ago
user avatar
Security Software Engineer - Endpoint Security
Anduril Industries•Costa Mesa, CA
Secret Not Specified
Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...
Posted 2 hours ago
user avatar
Security Software Engineer - Endpoint Security
Anduril Industries•Seattle, WA
Secret Not Specified
Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...
Posted 2 hours ago
user avatar
Security Software Engineer - Endpoint Security
Anduril Industries•Ashville, OH
Secret Not Specified
Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...
Posted 2 hours ago
user avatar
Information Systems Security Officer (ISSO)
Torch Technologies Inc.•Huntsville, AL
Top Secret Not Specified
Torch TechnologiesThank you for your interest in employment with Torch Technologies. We are a 100% employee-owned, Certified Great Place To Work and named Best Places to Work in Huntsville/Madison Cou...
Posted 7 hours ago
user avatar
Systems Engineer / Level 2 - Level 3 (Security Clearance)
Kavaliro•Los Angeles, CA
Secret Not Specified
Responsibilities: Provide pre and post flight office support for NASA/DOD Engine Systems. Support the design and fabrication of product modifications through to field operations. Strong emphasis on ...
Posted 7 hours ago
user avatar
Principal Software Engineer, Cryptography
Anduril Industries•Boston, MA
Secret Not Specified
Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...
Posted 16 hours ago
user avatar
2019369 Customer Delivery Consulting Engineer - Security
Cisco Systems, Inc.•Herndon, VA
TS/SCI Full Scope Polygraph
The application window is expected to close on: 08/28/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received . The successful applic...
Posted 18 hours ago
user avatar
Information Systems Security Officer
Modern Technology Solutions, Inc.•Alexandria, VA
TS/SCI Not Specified
Modern Technology Solutions, Inc. (MTSI) is hiring an Information Systems Security Officer (ISSO) in Alexandria, VA. Qualified candidates must have an active TS/SCI and already be read on a Special Ac...
Posted 18 hours ago
user avatar
Vulnerability Researcher - Hybrid - FS Poly
SRC•Remote/Hybrid
Top Secret Full Scope Polygraph 5+ yrs exp
Our client has deep expertise in Vulnerability Research, CNO Development, Reverse Engineering, and Penetration Testing. They support the defense and intelligence communities along with commercial clie...
Posted 21 hours ago
user avatar
Cybersecurity Specialist II/III
Semper Valens Solutions•Fort Belvoir, VA
Secret Not Specified 5+ yrs exp
Full Time, Ft. Belvoir, VASecret clearance required**This position is contingent upon government approval**Overview:Semper Valens Solutions is seeking an experienced Cybersecurity Specialist to suppor...
Posted 21 hours ago
user avatar
Sr Engineer, Cyber Information Security/Assurance
Semper Valens Solutions•Aberdeen Proving Ground, MD
Top Secret Not Specified 10+ yrs exp
Sr Engineer, Cyber Information Security/Assurance Location: Aberdeen Proving Ground, MDClearance Required: TOP Secret Clearance **This position is contingent upon contract award** Job Description and ...
Posted 21 hours ago
user avatar
Information Systems Security Officer (ISSO)
IntelliDyne, LLC•Washington, DC
Top Secret Not Specified
Information Systems Security Officer (ISSO) Location: Washington, DC (Onsite) Clearance: Top Secret Status: Exempt Responsibilities: Work as part of the IT Security Support Team which manages and ope...
Posted 21 hours ago
user avatar
Information Systems Security Engineer (ISSE) – Skill Level 2
Kaizen Approach•Annapolis Junction, MD
TS/SCI Polygraph 10+ yrs exp
Kaizen Approach is currently seeking an Information Systems Security Engineer (ISSE) to perform and review technical security assessments of computing environments to identify vulnerabilities, non-com...
Posted 21 hours ago
user avatar
Personnel Security Analyst
Xcelerate Solutions•Aberdeen, MD
Secret Not Specified 5+ yrs exp
Personnel Security AnalystAs a Personnel Security Analyst, you will provide personnel security support and resolution of issues of low and medium complexity in a collaborative team office environment....
Posted 21 hours ago
user avatar
(Technical Targeter- General) Cyber Technical Analyst Principal
GCI•Chantilly, VA
TS/SCI Polygraph 10+ yrs exp
Job Category: Cyber and IT Risk ManagementRequisition Number: TECHN002202Job DetailsDescriptionGCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver un...
Posted 21 hours ago
user avatar
Junior Information Assurance (IA) Specialist
Arsiem Corporation•Monterey, CA
Secret Not Specified <2 yrs exp
About ARSIEM CorporationAt ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. Weprovide support to multiple agencies across the United State...
Posted 21 hours ago
user avatar
Information Systems Security Manager - TS/SCI with Poly Required
GCI•Chantilly, VA
TS/SCI Polygraph 10+ yrs exp
Job Category: Information SecurityRequisition Number: INFOR001917Posting Details Posted: January 19, 2026 Full-Time On-site Salary Range: $124,092.80...
Posted 21 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