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 3,829 Jobs

Sort by:

Lead, Information Security Systems Engineering

New
L3Harris Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Posted today
TS/SCI
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...

user avatar

Information Systems Security Officer, Classified Cybersecurity

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
Littleton, CO(On-Site/Office)
Posted today
Secret
Not Specified

Job Number 734118BR Description:This position requires ability to obtain and maintain Secret clearance. Must be a U.S. Citizen.This position will perform duties as an Information Systems Security Off...

user avatar

Special Programs - Senior Information System Security Manager (I

New
RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
Tewksbury, MA(On-Site/Office)
Posted today
Top Secret
Not Specified

Date Posted:2026-07-02Country:United States of America Location:US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord Position Role Type:Onsite U.S. Citizen, U.S. Person, o...

user avatar

Systems Security Engineering Section Lead (M4) (Onsite)

New
RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
Tewksbury, MA(On-Site/Office)
Posted today
Secret
Not Specified

Date Posted:2026-07-02Country:United States of America Location:US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...

user avatar

Cyber Security Engineer

New
Client Solution Architects LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Fort Leavenworth, KS(On-Site/Office)
Posted today
5+ yrs exp
Secret
Not Specified

<br><br>><br>Cyber Security Engineer<br><br><a><br>CSA Global LLC<br></a><br><br>Cyber Security Engineer<br><br><a&g...

user avatar

Software Engineer for Cyber program - FS Poly

New
SRC
Apply today! Be one of the first candidates to apply for maximum exposure.
Fort Meade, MD(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI
Full Scope Polygraph

Our client is a distinguished Women-Owned Small Business and technical defense contractor providing mission-critical engineering to the IC and DoD. Operating as both a prime and subcontractor, they of...

user avatar

Vulnerability Researcher - Hybrid - TS/SCI

New
SRC
Apply today! Be one of the first candidates to apply for maximum exposure.
Remote/Hybrid
Arlington, VA(Off-Site/Hybrid)
Posted today
5+ yrs exp
TS/SCI
Not Specified

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...

user avatar

Cyber Technical Analyst Principal (TS/SCI with Poly Required)

New
GCI, Inc
Apply today! Be one of the first candidates to apply for maximum exposure.
Chantilly, VA(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Polygraph

Job Category: Cyber and IT Risk ManagementRequisition Number: TECHN002162Posting DetailsPosted: June 15, 2026Full-TimeOn-siteSalary Range: $124,092.80 USD to $207,251.20 USDJob DetailsDescriptionGCI e...

user avatar

(698) Cybersecurity Portfolio Manager

New
Arlo Solutions
Apply today! Be one of the first candidates to apply for maximum exposure.
Arlington, VA(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI
Not Specified

New(698) Cybersecurity Portfolio ManagerN/AApplyCompany Summary Arlo Solutions (Arlo) is an information technology consulting services company that specializes in delivering technology solutions. Our ...

user avatar

Senior Software Engineer (U.S. Citizen/Security Clearance Requir

New
Task Force Talent
Apply today! Be one of the first candidates to apply for maximum exposure.
Chantilly, VA(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Full Scope Polygraph

TASK FORCE TALENTExperts in Science, Engineering, and Security CareersXFacebookPinterestCopy LinkWhatsAppEmailShareShare this jobFacebookXLinkedInEmailSenior Software Engineer (U.S. Citizen/Security C...

user avatar

Full Stack Software Engineer (Junior/Senior/Expert) (U.S. Citize

New
Task Force Talent
Apply today! Be one of the first candidates to apply for maximum exposure.
Reston, VA(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI
Full Scope Polygraph

TASK FORCE TALENTExperts in Science, Engineering, and Security CareersFull Stack Software Engineer (Junior/Senior/Expert) (U.S. Citizen/Security Clearance Required)Reston, Virginia, United StatesTask ...

user avatar

Cyber Threat Intelligence (CTI) Analyst

New
Open Systems Technologies Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Huntsville, AL(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI
CI Polygraph

Open Systems Technologies Corporation is looking for a Cyber Threat Intelligence (CTI) Analyst  to join our high performing cyber team in support of a large SOC enterprise environment.Respon...

user avatar

CCNP-Security - Routing and Switching Engineer

New
Associates Systems LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Philadelphia, PA(On-Site/Office)
Posted today
Secret
Not Specified

US CITIZENSHIP Required DoD SECRET SECURITY CLEARANCE IS Preferred. EXPERIENCE for Senior Security Network Engineer position: Eight (8) years' experience in network security, demonstrating strong e...

user avatar

Trellix / HBSS Administrator DOD Secret

New
Associates Systems LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Philadelphia, PA(On-Site/Office)
Posted today
Secret
Not Specified

Active DOD Secret or Interim Secret IAT Level III a MUST Current CASP+ CE, Security-X, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH Certification required #CJ ALL QUALIFIED RESUMES WILL BE ...

user avatar

Systems Security Engineer- DOD Secret - Anti-Tamper

New
Associates Systems LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Lowell, MA(On-Site/Office)
Posted today
Secret
Not Specified

All Qualified candidates will be responded to in 24 hours or less Onsite in Tewksbury Ma Employment type: Full Time w-2 or Contract Rate: open to Negotiation Benefits: including Health, Dental Vision...

user avatar

CCNP-Security - Routing and Switching Engineer

New
Associates Systems LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Philadelphia, PA(On-Site/Office)
Posted today
Secret
Not Specified

US CITIZENSHIP Required DoD SECRET SECURITY CLEARANCE IS Preferred. EXPERIENCE for Senior Security Network Engineer position: Eight (8) years' experience in network security, demonstrating strong e...

user avatar

DOD Secret- IA Cyber Navy Compliance Specialist- IAT Level III-

New
Associates Systems LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Indian Head, MD(On-Site/Office)
Posted today
Secret
Not Specified

New contract award- all qualified resumes will be responded to in 24Hrs or less This is a full-time direct position - Multiple openings DOD active or interim secret required All work to be performed ...

user avatar

Staff Software Engineer, Cryptography

New
Anduril Industries
Apply today! Be one of the first candidates to apply for maximum exposure.
Boston, MA(On-Site/Office)
Costa Mesa, CA(On-Site/Office)
Seattle, WA(On-Site/Office)
Posted today
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...

user avatar

Senior Software Engineer, Cryptography

New
Anduril Industries
Apply today! Be one of the first candidates to apply for maximum exposure.
Boston, MA(On-Site/Office)
Costa Mesa, CA(On-Site/Office)
Seattle, WA(On-Site/Office)
Posted today
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...

user avatar

Senior Embedded Security Software Engineer

New
Two Six Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Herndon, VA(On-Site/Office)
Posted today
Top Secret
Not Specified

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...

user avatar
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