ClearanceJobs
  • Candidates
  • Employers
  • Hiring Companies
  • News & Career Advice
  • Login
  • Register now

Top Secret / SCI Clearance Jobs

Top Secret/SCI

Viewing 1 - 20 of 14,899

Top Secret / SCI Jobs requiring security clearance

Show:
Sort by:

Software Developer

New
NS2 Mission
Apply today! Be one of the first candidates to apply for maximum exposure.
Chantilly, VA(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

Are you a Software Developer with a passion for astrodynamics looking to apply your skills to cutting-edge space mission software? NS2 Mission is seeking an excellent Software Developer candidate to j...

user avatar

Systems Engineer

New
NS2 Mission
Apply today! Be one of the first candidates to apply for maximum exposure.
Reston, VA(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

Are you looking to be a key member of a small team with big mission impact? Do you enjoy working directly with a variety of stakeholders to get mission done? NS2 Mission is seeking a highly motivated,...

user avatar

Supply Technician (MID) - active TS/SCI clearance

New
V2X
Apply today! Be one of the first candidates to apply for maximum exposure.
Reston, VA(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

Job Description OverviewWorking across the globe, V2X builds smart solutions designed to integrate physical and digital infrastructure from base to battlefield. We bring 120 years of successful missio...

user avatar

Information Assurance Specialist 4

New
NuAxis Innovations LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Not provided(On-Site/Office)
Posted today
TS/SCI
Not Specified

Overview:We are seeking a highly skilled Information Assurance Specialist 4 to join our cybersecurity team. As an information security risk specialist, you will collaborate with information system own...

user avatar

Principal AI/ML Engineer (Large Language Model) (TS/SCI) {S}

New
ARKA Group LP
Apply today! Be one of the first candidates to apply for maximum exposure.
Aurora, CO(On-Site/Office)
Posted today
TS/SCI
Not Specified

ARKA Group L.P. ("ARKA") is an advanced technologies company serving the U.S. military, intelligence community, and commercial space industry delivering next-generation solutions to support the nation...

user avatar

Database Administrator

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

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Pro...

user avatar

Functional Intelligence Analyst

New
Core4ce
Apply today! Be one of the first candidates to apply for maximum exposure.
Arlington, VA(On-Site/Office)
Posted today
TS/SCI
Not Specified

T he Functional Intelligence and Defense Analysis Staff Officer II will support the Functional Intelligence and Defense Analysis Directorate within the Office of the Under Secretary of Defense for Int...

user avatar

Senior Systems Engineer

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

Description & Requirements Maximus has a new and exciting opportunity for an experienced Systems Engineer to make a meaningful impact for our National Security client in Bethesda, MD. ...

user avatar

Web Designer - $128k/yr TS/SCI FS-Poly

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

Candidates must already possess an active Top Secret/SCI w. Full Scope Polygraph to be considered for this position. Summary: ● Support mission web solutions and visual communications as a w...

user avatar

Software Engineer - $171k/yr TS/SCI FS-Poly

New
SYSTOLIC
Apply today! Be one of the first candidates to apply for maximum exposure.
Fort George G Meade, MD(On-Site/Office)
Posted today
<2 yrs exp
TS/SCI
Full Scope Polygraph

Candidates must already possess an active Top Secret/SCI w. Full Scope Polygraph to be considered for this position. Summary: ● Support mission web solutions and visual communications as a s...

user avatar

Systems Engineer - $158k/yr TS/SCI FS-Poly

New
SYSTOLIC
Apply today! Be one of the first candidates to apply for maximum exposure.
Fort George G Meade, MD(On-Site/Office)
Posted today
<2 yrs exp
TS/SCI
Full Scope Polygraph

Candidates must already possess an active Top Secret/SCI w. Full Scope Polygraph to be considered for this position. Summary: ● Support mission web solutions and visual communications as a s...

user avatar

Systems Engineer - $209k/yr TS/SCI FS-Poly

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

Candidates must already possess an active Top Secret/SCI w. Full Scope Polygraph to be considered for this position. Summary: ● Support mission web solutions and visual communications as a s...

user avatar

Web Designer - $156k/yr TS/SCI FS-Poly

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

Candidates must already possess an active Top Secret/SCI w. Full Scope Polygraph to be considered for this position. Summary: ● Support mission web solutions and visual communications as a w...

user avatar

Python/C++ Software Engineer 2 - [$284k/yr] TS/SCI FS-Poly

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

Candidates must already possess an active Top Secret/SCI w. Full Scope Polygraph to be considered for this position. Summary:  Looking for a software engineer that will be responsible ...

user avatar

Systems Engineers - multiple levels - CLEARANCE and POLYGRAPH RE

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

conception, design & development, testing, production, distribution/deployment, operation, maintenance & support, decommissioning Due to federal contract requirements, United States citizenship and an...

user avatar

Tempest Engineer

New
2HB Incorporated
Apply today! Be one of the first candidates to apply for maximum exposure.
Annapolis Junction, MD(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

This is a full-time position, and requires a TS/SCI/Full Scope Polygraph Clearance. 2HB Incorporated is seeking a Tempest Engineer in order to support its government customer in Annapolis Junction, M...

user avatar

Software Developer

New
2HB Incorporated
Apply today! Be one of the first candidates to apply for maximum exposure.
Chantilly, VA(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

This is a full-time position, and requires a TS/SCI/Full Scope Polygraph Clearance. 2HB Incorporated is seeking a Software Developer to support its government customer in Chantilly, VA. The applicant ...

user avatar

Data Engineer- SME

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

Company DescriptionFounded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions,...

user avatar

Cleared Commissioned Armed Security Officer

New
Patriot Group International, Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
San Antonio, TX(On-Site/Office)
Posted today
TS/SCI
Polygraph

Cleared Armed Security OfficerPosition Type: Full-Time, Non-exemptWork Location: San Antonio, TXClearance: TS/SCI w / Poly Shift: 12 hour Panama SchedulePatriot Group International Inc. (PGI), voted #...

user avatar

Security Control Room Officer- Poly Required

New
Patriot Group International, Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
San Antonio, TX(On-Site/Office)
Posted today
TS/SCI
Polygraph

Position Type : Full-Time, Non-exempt Clearance : TS/SCI w/Poly Shift: 12-Hour Panama Schedule Overview Patriot Group International Inc. (PGI), voted #1 Best Place to Work by Virginia Business Maga...

user avatar
ClearanceJobs
  • About Us
  • Support
  • Browse Jobs
  • Security Clearance FAQs
  • AgileATS
  • FedWork
  • Blog
  • Privacy Policy
  • Terms of Service
  • My Privacy Rights
  • Pay My Bill
  • Contact Us
  • EULA
Download on the App StoreGet it on Google Play

© 2026 ClearanceJobs - All rights reserved. ClearanceJobs is a DHI service.