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 3,811 Jobs

Sort by:

Information Systems Security Officer, AD&S

New
Anduril Industries
Washington, DC(On-Site/Office)
Posted today
Top 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

Manager Cybersecurity 1

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Baltimore, MD(On-Site/Office)
Posted yesterday
Top Secret
Not Specified

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: Top SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incre...

user avatar

Sr. Principal Industrial Security Analyst/AFSO

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
San Diego, CA(On-Site/Office)
Posted yesterday
Top Secret
Not Specified

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: Top SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incre...

user avatar

Principal Cyber Systems Engineer - Top Secret

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Posted yesterday
Top Secret
Polygraph

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: Top SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have i...

user avatar

Associate Industrial Security Analyst

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Palmdale, CA(On-Site/Office)
Posted yesterday
Secret
Not Specified

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredibl...

user avatar

Principal Cyber Systems Security Engineer

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Baltimore, MD(On-Site/Office)
Posted yesterday
Secret
Not Specified

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incre...

user avatar

Cybersecurity Analyst / Principal Cybersecurity Analyst

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Tampa, FL(On-Site/Office)
Posted yesterday
TS/SCI
Not Specified

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SCITRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredib...

user avatar

Senior Product Security Engineer

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

Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...

user avatar

Information Systems Security Officer (ISSO)

New
IntelliDyne, LLC
Washington, DC(On-Site/Office)
Posted yesterday
Top Secret
Not Specified

Information Systems Security Officer (ISSO) Location: Washington, DC (Onsite) Clearance: Top Secret Status: Exempt Salary: $95k - $110k per yearResponsibilities: Work as part of the IT Security Suppo...

user avatar

Information Systems Security Engineer (ISSE) – Skill Level 3

New
Kaizen Approach
Apply today! Be one of the first candidates to apply for maximum exposure.
Annapolis Junction, MD(On-Site/Office)
Posted yesterday
10+ yrs exp
TS/SCI
Polygraph

Kaizen Approach is currently seeking an Information Systems Security Engineer (ISSE) to perform or review technical security assessments of computing environments to identify vulnerabilities, non-comp...

user avatar

Security Engineer III

New
Serco Inc.
FL(On-Site/Office)
Posted 2 days ago
Secret
Not Specified

Position Description & QualificationsSerco is excited to support the Air Force Modeling and Simulation Support Services (AFMS3) contract. The primary purpose of this contract is to ensure that the Dep...

user avatar

Security Engineer I

New
Serco Inc.
Orlando, FL(On-Site/Office)
Posted 2 days ago
Secret
Not Specified

Position Description & QualificationsSerco is excited to support the Air Force Modeling and Simulation Support Services (AFMS3) contract. The primary purpose of this contract is to ensure that the Dep...

user avatar

Lead, Information Security Systems Engineering

New
L3Harris Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Chantilly, VA(On-Site/Office)
Posted 2 days ago
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
Littleton, CO(On-Site/Office)
Posted 2 days ago
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 2 days ago
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 2 days ago
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
CSA Global LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Fort Leavenworth, KS(On-Site/Office)
Posted 2 days ago
5+ yrs exp
Secret
Not Specified

Client Solution Architects (CSA) is currently seeking a Cyber Security Engineer to support our program at Fort Leavenworth, KS.For nearly 50 years, CSA has delivered integrated technology and operatio...

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 2 days ago
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
Remote/Hybrid
Arlington, VA(Off-Site/Hybrid)
Posted 2 days ago
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 2 days ago
10+ yrs exp
TS/SCI
Polygraph

Job Category: Cyber and IT Risk ManagementRequisition Number: TECHN002162Job DetailsDescriptionGCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver un...

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