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 IT - Software Jobs

Top Secret/SCI IT - Software

Viewing 1 - 20 of 3,567

Top Secret / SCI IT - Software Jobs requiring security clearance

Show:
Sort by:

Systems Administrator - Tier 2

GovCIO
Saint Louis, MO(On-Site/Office)
Posted 1 month ago
Public Trust
Not Specified

GovCIO is currently hiring for System Administrator/Software Analyst to support our US Coast Guard IPSS contract needs. This position is located in St. Louis, MO and will be a hybrid remote position...

user avatar

DEPUTY DIRECTOR

Department of Defense
Arlington, VA(On-Site/Office)
Posted 1 week ago
Top Secret
Not Specified

Duties Help Plans, organizes, and directs the activities of Directorate Personnel (AF/REP), ensuring that AF/REP complies with legal and regulatory requirements and meets customer needs. Exercises ...

D

Applications Developer

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

Information Management Technology Division (IMTD) provides software development, operations and maintenance of a variety of systems and initiatives supporting IMS business areas. IMTD focuses on strea...

user avatar

Software Engineer 3

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

The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data se...

user avatar

Engineer Technical Specialist - Millennium Space Systems

New
Boeing
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Posted yesterday
TS/SCI
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

Mission Operations Engineer (Entry-Level) - Millennium Space Sys

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

Software Engineering Manager

New
Boeing
Apply today! Be one of the first candidates to apply for maximum exposure.
Oklahoma City, OK(On-Site/Office)
Posted yesterday
TS/SCI
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

Spacecraft Systems Engineer (Early Career) - Millennium Space Sy

New
Boeing
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Posted yesterday
TS/SCI
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

Sr Staff Systems Engineer

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Dulles, VA(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

Principal or Senior Principal Embedded Software Engineer

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

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

user avatar

Software Engineer Sr Staff

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
King Of Prussia, PA(On-Site/Office)
Posted yesterday
TS/SCI
Not Specified

Job Number 728617BR Description:Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities...

user avatar

Software Engineer Stf

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

Job Number 728566BR Description:Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities...

user avatar

Sr Software Engineer

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

Job Number 728568BR Description:Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities...

user avatar

Full Stack Software Engineer Sr. - TS//SCI Clearance

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
King Of Prussia, PA(On-Site/Office)
Posted yesterday
TS/SCI
Not Specified

Job Number 728136BR Description:Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities...

user avatar

DevOps Software Engineer

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

CyberCore is looking for a DevOps Software Engineer. DevOps is an agile development practice and mindset that applies agile principles such as collaboration, communication, and effective tooling to st...

user avatar

Systems Engineer 3 - SME

New
Farfield Systems, Inc
Apply today! Be one of the first candidates to apply for maximum exposure.
Fort Meade, MD(On-Site/Office)
Posted yesterday
TS/SCI
Not Specified

Applies systems engineering principles throughout the systems life cycle phases: Concept, Development, Production, Utilization, Support, and Retirement. Interacts with the Government regarding System...

user avatar

Software Engineer

New
Omni Federal
Apply today! Be one of the first candidates to apply for maximum exposure.
Colorado Springs, CO(On-Site/Office)
Posted yesterday
TS/SCI
Not Specified

Job Description Job Title: Full Stack Software Engineer Location: Colorado Springs, CO Security Clearance: TS/SCI We question. We listen. We adapt. Be honest. Be pragmatic. Omni Federal is a small bu...

user avatar

Tech Lead - Principal Software Engineer

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

Tech Lead - Principal Software Engineer US Citizens Only Location: This position is based in Arlington, VA and is 100% on-site. Clearance: DOD Top Secret/SCI Primary Responsibilities Engineering E...

user avatar

Model Based Systems Engineer

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

Modern Technology Solutions, Inc. (MTSI) is seeking a Model-Based Systems Engineer (MBSE) / Digital Engineer with Cameo and/or MBSE software modeling experience to join our team working on-site in cla...

user avatar

Software Developer

New
Modern Technology Solutions, Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Dayton, OH(On-Site/Office)
Posted yesterday
TS/SCI
Not Specified

Join our innovative team and contribute to cutting-edge simulations!We are seeking a highly motivated and experienced Software Developer to join our growing team. In this role, you will be responsible...

user avatar

Junior Software Developer

New
Modern Technology Solutions, Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Dayton, OH(On-Site/Office)
Posted yesterday
TS/SCI
Not Specified

Join our innovative team and contribute to cutting-edge simulations!We are seeking a highly motivated and experienced Software Developer to join our growing team. In this role, you will be responsible...

user avatar

Senior Front-End Developer

New
Maximus Inc
Apply today! Be one of the first candidates to apply for maximum exposure.
Fort Meade, MD(On-Site/Office)
Posted 2 days ago
TS/SCI
Not Specified

Description & Requirements Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Recent contract awa...

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