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 4,070 Jobs

Sort by:
user avatar
Information Systems Security Officer 2
T-Rex Solutions LLC
TS/SCI Full Scope Polygraph
T-Rex is looking for a fully cleared ISSO level 2 to work on a program in the Fort Meade, Maryland area in support of the Intelligence Community. Requirements: The job duties are as follows: Work with...
Posted just now
user avatar
Senior Cybersecurity Advisor
@Orchard LLC
TS/SCI Full Scope Polygraph 10+ yrs exp
Senior Cybersecurity Advisor Bethesda, MD Active Top-Secret Clearance with SCI and Polygraph Required @Orchard is actively supporting a proposal expected to be awarded in Fall 2026 for a Maryland clie...
Posted just now
user avatar
Cleared Information System Security Officer (ISSO) — L3
Virtual Service Operations
TS/SCI Not Specified 5+ yrs exp
Opportunity:Virtual Service Operations is searching for an Information System Security Officer (ISSO) to join our dynamic team in Lorton, Virginia. The Information System Security Officer (ISSO) is re...
Posted just now
user avatar
Information System Security Officer (ISSO) - Mid / Senior Level
Constellation Technologies, Inc
TS/SCI Polygraph 10+ yrs exp
Information System Security Officer (ISSO) - Mid / Senior Level - FULLY CLEARED with POLYGRAPH REQUIREDAnnapolis Junction, MD / Laurel, MD / Fort Meade, MDSoftware Development – DEV01 - Securing Infra...
Posted just now
user avatar
Information Systems Security Officer (ISSO) - Level 02 - FULLY C
Constellation Technologies, Inc
TS/SCI Polygraph 5+ yrs exp
Information Systems Security Officer (ISSO) - Level 02 - FULLY CLEARED with POLYGRAPH REQUIREDFort Meade, MDSoftware Development – DEV06 - Development & Support /Systems Security Personnel /On-sit...
Posted just now
user avatar
SOC Cyber Threat Hunter/Incident Handler
StratasCorp
Secret Not Specified 5+ yrs exp
Our team, in Chesapeake, VA has an immediate need for a Security Operations Center Analyst (Cyber Threat Hunter) to monitor and maintain an active defense security posture by preventing, monitoring, d...
Posted just now
user avatar
Exploitation Analyst EA Level 14
Sentar Inc
TS/SCI Polygraph 5+ yrs exp
Career Opportunities with SentarA great place to work.Careers At SentarShare with friends or Subscribe!Current job opportunities are posted here as they become available.Subscribe to our RSS feeds to ...
Posted just now
user avatar
Director, Cyber Security Practice
Tria Federal•Remote/Hybrid
Public Trust Not Specified 10+ yrs exp
Who we are: Tria Federal delivers digital services and technology solutions that support the health and safety of veterans, service members and civilians. For two decades, federal agencies have relied...
Posted just now
user avatar
Information Systems Security Manager (ISSM)
Toyon Research Corporation
TS/SCI Not Specified 10+ yrs exp
U.S. Citizenship Required. Ability to qualify for a TOP SECRET US Department of Defense security clearance required. Candidate must ultimately be SAP and SCI program eligible.This position is in-perso...
Posted just now
D
IT CYBERSECURITY SPECIALIST (INFOSEC) (T32)
Department of the Air Force
Secret Not Specified
DutiesMajor Duties: This is not an all-inclusive list A IT CYBERSECURITY SPECIALIST (INFOSEC) (T32), GS, 2210, 12, Serves as an Information Technology Specialist providing Cybersecurity for an Air N...
Posted just now
user avatar
Sr. Elastic Engineer
ECS•Scott Afb, IL
Secret Not Specified
Job Description ECS is seeking a Sr. Elastic Engineer to work in our Scott AFB, IL office. Are you passionate about building and scaling Elastic environments and eager to make an immediate technica...
Posted just now
user avatar
Sr Security Analyst
ECS•Scott Afb, IL
Secret Not Specified
Job Description ECS is seeking a Senior Security Analyst to work in our Scott AFB, IL office. As a leading managed cybersecurity services provider, ECS delivers highly tailored cybersecurity soluti...
Posted just now
user avatar
Cryptologic Computer Scientist 3
RealmOne•Central Maryland, MD
TS/SCI Polygraph
Are you VIGILANT about your career? RealmOne definitely is!RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in...
Posted just now
user avatar
Information Systems Security Officer
Booz Allen Hamilton•Honolulu, HI
Top Secret Not Specified
Job Number: R0242528Information Systems Security Officer The Opportunity: Design, implement, and manage policies and procedures to ensure database and sof tware security. Apply specific functional kno...
Posted just now
user avatar
Cyber Intelligence Planner
Booz Allen Hamilton•Arlington, VA
TS/SCI Not Specified
Job Number: R0242503Cyber Intelligence PlannerThe Opportunity:When our country's cyber security is on the line, simply reacting is not enough-we need a plan. And when that plan needs to support the Ar...
Posted just now
user avatar
Cyber Defense Incident Responder
Booz Allen Hamilton•Arlington, VA
Top Secret Not Specified
Job Number: R0242498Cyber Defense Incident ResponderThe Opportunity:As a cyber defense incident responder, you understand the value of hunt-forward operations, and you know that battles are won in the...
Posted just now
user avatar
Cyber Defense Incident Responder
Booz Allen Hamilton•Arlington, VA
Top Secret Not Specified
Job Number: R0242499Cyber Defense Incident Responder The Opportunity: Respond to and resolve cybersecurity incidents and proactively prevent reoccurrence of these incidents. Monitor the operation of s...
Posted just now
user avatar
Administrative Assistant - Security Support (5880)
Three Saints Bay•Chantilly, VA
Secret Not Specified
Eagle Harbor LLC, a subsidiary of Three Saints Bay, LLC, and government contracting industry leader, is seeking an Entry-Level Personnel Security Assistant with an active secret security clearance to...
Posted just now
user avatar
Senior Penetration Tester
American Systems Corporation•Middletown, RI
Top Secret Not Specified
AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Pro...
Posted just now
user avatar
Network Engineer, Lead (HPC)
American Systems Corporation•Arlington, VA
TS/SCI Not Specified
AMERICAN SYSTEMS, a 100% employee-owned federal government contractor, is seeking a Lead Network Engineer to support a secure, high-availability Linux-based HPC environment with geographically dispers...
Posted just now
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