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

Top Secret / SCI Clearance Jobs

Top Secret/SCI

Viewing 1 - 20 of 16,034

Top Secret / SCI Jobs requiring security clearance

Show:
Sort by:

Data Scientist

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

R-00181319Description Are you looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our c...

user avatar

Information Technology Team Manager

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

R-00181068Description Leidos' Corporate Information Security Office, reporting through the Digital Modernization sector, is seeking an Information Technology Team Manager. This is a primarily hand...

user avatar

Senior Network Engineer

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

R-00181298Description Seeking an experienced Senior Systems Engineer specializing in network systems to support mission-critical projects in a secure environment. The ideal candidate will have extensi...

user avatar

Imagery Analyst

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

R-00181167Description Leidos is hiring an Imagery Analyst to support a national security mission in Chantilly, VA—on a stable day schedule, working problems that actually require thinking, not j...

user avatar

Senior VDI Administrator

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

R-00179980Description Unleash Your PotentialAt Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empo...

user avatar

Information Systems Security Officer (ISSO)

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

R-00179348Description Are you ready to take your career to the next level?Leidos is on the lookout for a passionate and mission‑driven Information System Security Officer (ISSO) to join our team...

user avatar

Senior VDI Administrator

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

R-00179980Description Unleash Your PotentialAt Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empo...

user avatar

Cyber & Analytics Business Area Employee Referrals

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

R-00175586Description Leidos has new and exciting opportunities in our Intelligenece Sector Cyber & Analytics Business Area (CABA).  Our talented team is at the forefront in Security Engineer...

user avatar

Power BI/SharePoint Capabilities Developer

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

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our ...

user avatar

Project Initiator

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

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our ...

user avatar

Software Engineer

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

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our ...

user avatar

Personnel Security Specialist - Case Management

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

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our ...

user avatar

Baseband-Savvy CNO Developer

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

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our ...

user avatar

Information Systems Security Engineer (ISSE)

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

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what's happening now and shape what's coming next. Vantor is a place for problem solvers, ch...

user avatar

Database Administrator 3

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

OverviewAbout M.C. DeanM.C. Dean is Building Intelligence. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, comp...

user avatar

Staff Software Developer (TS/SCI)

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

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what's happening now and shape what's coming next. Vantor is a place for problem solvers, ch...

user avatar

Cloud System Architect II

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

Kavaliro is seeking a Cloud System Architect II to support a client in Fort Meade, MD. Job Description: We are seeking a Cloud / Infrastructure Engineer to support mission-critical systems at Fort M...

user avatar

Security Analyst 2

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

MANTECH seeks a motivated, career and customer-oriented Security Analyst 2 to join our team in the Chantilly, VA area. Responsibilities include, but are not limited to: Fingerprinting NRO personnel ...

user avatar

Program Security Officer 3

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

MANTECH seeks a motivated, career and customer-oriented Program Security Officer 3 (PSO 3) to join our team in the Reston, VA area. Responsibilities include but not limited to: Provides advice and ...

user avatar

Systems Engineer

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

Job Title Systems Engineer Overview EverWatch is a government solutions company providing advanced defense, intelligence, and deployed support to our country's most critical missions. We are a full-...

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