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
IT - Security

IT - Security Jobs

Showing 4,060 Jobs

Sort by:

Cyber Software Engineer Staff

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

Job Number 732030BR Description:The coolest jobs on this planet... or any other... are with Lockheed Martin Space.At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and ...

user avatar

Cyber Software Engineer

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

Job Number 732041BR Description:The coolest jobs on this planet... or any other... are with Lockheed Martin Space.At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and ...

user avatar

Cyber Software Engineer

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

Job Number 732054BR Description:At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and...

user avatar

Cyber Software Engineer Technical Lead

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

Job Number 732029BR Description:At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and...

user avatar

Senior Information System Security Engineer (ISSE) II - El Segun

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

Date Posted:2026-05-18Country:United States of AmericaLocation:US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...

user avatar

Principal Systems Security Engineer - P4 (Onsite-CA)

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

Date Posted:2026-05-13Country:United States of AmericaLocation:US-CA-GOLETA-H01 ~ 6380 Hollister Ave ~ BLDG H01Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: ...

user avatar

Systems Engineer / Level 2 - Level 3 (Security Clearance)

New
Kavaliro
Apply today! Be one of the first candidates to apply for maximum exposure.
Los Angeles, CA(On-Site/Office)
Posted today
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 ...

user avatar

Electronic Systems Security Senior Engineer

New
Versar Global Solutions
Apply today! Be one of the first candidates to apply for maximum exposure.
Washington Dc, DC(On-Site/Office)
Posted today
Secret
Not Specified

WhoYou Are:Versar has a unique opportunity for self-motivated security professionals, able to work independently to meet deadlines and response times, and in support of important missions within the F...

user avatar

Cyber Security Specialist/Analyst, Mid

New
22nd Century Technologies, Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Camp Lejeune, NC(On-Site/Office)
Posted today
Secret
Not Specified

Position: Cyber Security Specialist/Analyst, Mid SIN: 54151S Experience: Minimum 3 years Education: Bachelor's Degree required Location: Camp Lejeune, NC (On-site, with some travel a...

user avatar

Security Engineer

New
Eliassen Group
Apply today! Be one of the first candidates to apply for maximum exposure.
Washington, DC(On-Site/Office)
Posted today
Public Trust
Not Specified

Description: Onsite in Washington, DC Our client seeks a Security Engineer to support a federal cybersecurity mission that protects critical transportation infrastructure. The role focuses on endpoin...

user avatar

C2 Ops/Cyber Security

New
Apogee Engineering
Apply today! Be one of the first candidates to apply for maximum exposure.
Robins Afb, GA(On-Site/Office)
Posted today
TS/SCI
Not Specified

Apogee h as an opportunity for a C2 Ops/Cyber Security SME specializing in Command & Control (C2) Operations and Cyber Security to provide contractor site reachback support for the M-Code Aviation Re...

user avatar

Cyber Incident Response SME

New
Kforce Federal Solutions
Apply today! Be one of the first candidates to apply for maximum exposure.
Arlington, VA(On/Off-Site)
Posted today
10+ yrs exp
TS/SCI

Cyber Incident Response Expert (TS/SCI) Location: Arlington, VA Clearance: Active TS/SCI required Apply Now! or Contact Recruiter: Brenton Anderson Email: banderson3@kforce.com LinkedIn: https://ww...

user avatar

Cyber Auditor - Full Performance (Government)

New
AT&T Government Solutions
Apply today! Be one of the first candidates to apply for maximum exposure.
Fairfax, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

This position requires office presence of a minimum of 5 days per week and is only located at customer's site.AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, networ...

user avatar

Personnel/Information/Physical Security Advisor AFSOC

New
R&K Enterprise Solutions, Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Hurlburt Field, FL(On-Site/Office)
Posted today
TS/SCI
Not Specified

Personnel/Information/Physical Security Advisor R&K Enterprise Solutions, Inc. (R&K) is a Certified Service-Disabled Veteran Owned Small Business with an earned reputation for delivering best-value s...

user avatar

Cyber Security Administrator

New
Bevilacqua Research Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Panama City, FL(On-Site/Office)
Posted today
5+ yrs exp
Secret
Not Specified

Bevilacqua Research Corporation is an Equal Opportunity Employer (Minorities/Females/Disabled/Veterans) and VEVRAA Federal Contractor. "EEO is the Law"EEOC Revision Start Over with Job Search Return...

user avatar

Senior Cybersecurity Engineer

New
Redhorse Corporation
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
Not Specified

About the OrganizationNow is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. n...

user avatar

Security Analyst

New
Cherokee Federal
Remote/Hybrid
United States(Off-Site/Hybrid)
Posted today
Public Trust
Not Specified

Security Analyst This position requires an active Public Trust clearance or the ability to obtain and maintain one. Criterion Systems, a Cherokee Federal company, is seeking a motivated Security Ana...

user avatar

Mid-Level Cyber Analyst

New
CELESTAR CORPORATION
Apply today! Be one of the first candidates to apply for maximum exposure.
Mountain Home, ID(On-Site/Office)
Posted today
TS/SCI
Polygraph

Celestar Corporation is seeking a Mid-Level Cyber Analyst. If interested and qualified, we welcome you to apply for this challenging opportunity. LOCATION: Mt. Home, ID CLEARANCE REQUIREMENT: Active...

user avatar

Systems Security Analyst

New
Booz Allen Hamilton
Apply today! Be one of the first candidates to apply for maximum exposure.
Arlington, VA(On-Site/Office)
Posted today
TS/SCI
Not Specified

Job Number: R0242156Systems Security AnalystThe Opportunity: As a systems security analyst, you know the key to detecting and deterring malicious activity is quality risk-based intel that maps to a ta...

user avatar

Systems Security Analyst

New
Booz Allen Hamilton
Apply today! Be one of the first candidates to apply for maximum exposure.
Arlington, VA(On-Site/Office)
Posted today
TS/SCI
Not Specified

Job Number: R0242155Systems Security AnalystThe Opportunity:As a systems security analyst, you understand the value of hunt-forward operations, and you know that battles are won in the grey. At Booz A...

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