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
Top Secret/SCI

Top Secret / SCI Clearance Jobs

Showing 19,290 Jobs

Sort by:

CNO Reverse Engineer Level 2

New
CyberPoint International LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Posted today
TS/SCI
Full Scope Polygraph

Overview What We're Looking For As a CNO Reverse Engineer Level 2 at CyberPoint, you will perform advanced software reverse engineering and vulnerability research in support of mission-driven cyber op...

user avatar

CNO Analyst/Programmer

New
CyberPoint International LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Posted today
TS/SCI
Full Scope Polygraph

Overview What We're Looking For As a CNO Analyst/Programmer at CyberPoint, you will contribute to the development and maintenance of mission-critical software. You will support all stages of the softw...

user avatar

CNO Analyst/Programmer Level 1

New
CyberPoint International LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
MD(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

Overview What We're Looking For As a Level 1 CNO Analyst/Programmer at CyberPoint, you will design, develop and maintain software solutions to support mission-critical systems. You'll contribute ...

user avatar

Lead Program Manager

New
L3Harris Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Palm Bay, FL(On-Site/Office)
Posted today
TS/SCI
Not Specified

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

Specialist, Systems Engineering

New
L3Harris Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Greenville, TX(On-Site/Office)
Posted today
TS/SCI
Not Specified

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

Specialist, Thermal Mechanical Engineer (Space Systems)

New
L3Harris Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Rochester, NY(On-Site/Office)
Posted today
TS/SCI
Not Specified

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

Senior Specialist, Systems Engineer - Space Operations Trainer

New
L3Harris Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Springfield, VA(On-Site/Office)
Posted today
TS/SCI
CI 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

Senior Specialist, Systems Engineering (Orbital Analyst)

New
L3Harris Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Dahlgren, VA(On-Site/Office)
Posted today
TS/SCI
Not Specified

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

Sr Principal Engineer Mission Assurance

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

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

user avatar

Sr Principal Engineer Mission Assurance

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

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

user avatar

Cyber Systems Engineer - Level 2 or 3

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Aurora, CO(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

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

Cyber Systems Engineer - Level 4

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Aurora, CO(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

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

Sr Principal Cyber Systems Engineer

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Aurora, CO(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

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

Cyber Systems Engineer - Level 2 or 3

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Aurora, CO(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

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

Pr./Sr. Pr. Mission Engineer

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

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SCITRAVEL: NoDescriptionAt Northrop Grumman, our employees have incredible opportunities t...

user avatar

Systems Engineering Lead

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
Herndon, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

Job Number 731075BR 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

Data Transfer Specialist TS/SCI Poly

New
Leidos
Apply today! Be one of the first candidates to apply for maximum exposure.
Annapolis Junction, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

R-00187628Description Job DescriptionLeidos has a new and exciting opportunity for a Data Transfer Specialist in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Ou...

user avatar

Senior Software Developer

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

R-00187627Description Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM/ICAM, Authentication, ...

user avatar

NoSql Database Engineer

New
Leidos
Apply today! Be one of the first candidates to apply for maximum exposure.
Bethesda, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

R-00187608Description Leidos is looking for our next TS/SCI-cleared Nosql Database Engineer to join a high-energy team building and deploying a cutting-edge technology stack to support our client̵...

user avatar

Contracts Manager

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

R-00187609Description ***This is a Hybrid position requiring onsite presence approximately two days per week. The ideal candidate will be primarily based out of the Chantilly, VA office, while also ha...

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