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 3,503

Top Secret / SCI IT - Software Jobs requiring security clearance

Show:
Sort by:

Product Operations Technical Specialist, Air Defense

Anduril Industries
Irvine, CA(On-Site/Office)
Posted 1 month ago
Secret
Not Specified

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...

user avatar

Intelligence Domain Systems Engineer

Barbaricum
Virginia Beach, VA(On-Site/Office)
Posted over 6 months ago
Top Secret
Not Specified

Barbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense and National Security mission sets. We leverage more than ...

user avatar

Systems Engineer – Sr

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

Position: Systems Engineer - SrLCAT: SeniorLocation: Reston, Virginia This position is contingent upon award. Required clearance: TS/SCI with willingness to take CI poly. Candidates with current C...

user avatar

Software Engineer – Mid

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

Position: Software Engineer LCAT: MidLocation: Reston, Virginia This position is contingent upon award. Required clearance: TS/SCI with willingness to take CI poly. Candidates with current CI poly ...

user avatar

Software Engineer – Sr

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

Position: Software Engineer LCAT: SeniorLocation: Reston, Virginia This position is contingent upon award. Required clearance: TS/SCI with willingness to take CI poly. Candidates with current CI p...

user avatar

Software Developer – Sr

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

Position: Software Developer LCAT: SeniorLocation: Reston, Virginia This position is contingent upon award. Required clearance: TS/SCI with willingness to take CI poly. Candidates with current CI p...

user avatar

Industrial Control Systems Engineer – Sr

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

Position: Industrial Control Systems (ICS) / SCADA Engineer - Sr.LCAT: SeniorLocation: Reston, Virginia This position is contingent upon award. Required clearance: TS/SCI with willingness to take ...

user avatar

Java/J2EE Software Engineer

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

Open Systems Technologies Corporation is a leader in the government contracting marketplace, providing Enterprise Security and Cloud Computing solutions to support large organizations. Our capabilitie...

user avatar

Software Engineer

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

Open Systems Technologies Corporation is a leader in the government contracting marketplace, providing Enterprise Security and Cloud Computing solutions to support large organizations. Our capabilitie...

user avatar

Sr Software Engineer

New
Insight Global, Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Aurora, CO(On/Off-Site)
Posted today
5+ yrs exp
TS/SCI

Job Title: Senior Software Engineer Company: Raytheon/RTX Duration: 12 month contract Clearance: Cleared (TS/SCI w/ Poly Eligible) Location: Aurora, CO Desired Skillset: *Requires a BS Degree ...

user avatar

Principal Site Reliability Engineer (AI Infrastructure)

New
Pavati Solutions LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Saint Louis, MO
Springfield, VA
Posted yesterday
10+ yrs exp
TS/SCI

The Mission Pavati Solutions bridges the gap between commercial AI innovation and national security. While the core AI platform is already in flight, you will lead the engineering of the Reliability ...

user avatar

Back End Developer - Mid-level

New
Maximus 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

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

Computational Fluid Dynamics (CFD) Analyst

New
Toyon Research Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Goleta, CA(On-Site/Office)
Posted yesterday
5+ yrs exp
TS/SCI
Not Specified

U.S. Citizenship is Required. Ability to qualify for a US Department of Defense Top Secret security clearance required. Candidate must be SAP and SCI program eligible.Toyon is seeking a Computational ...

user avatar

Web Developer - Level 1

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

Web Developer - Level 1 Fort Meade, MD, US, 20755 TS/SCI w/Poly $145,000 - $200,000 Job Description Client is looking for a Web Developer - Software Engineer 1. You will contribute as a core enginee...

user avatar

Software Engineer

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

Job Title: Software EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of...

user avatar

Software Engineer Mid

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

Job Title: Software Engineer MidJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: N...

user avatar

Software Developer (Full Stack Developer)

New
Ardent Principles, Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Chantilly, VA(On-Site/Office)
Posted yesterday
5+ yrs exp
TS/SCI
Full Scope Polygraph

Careers at Software Developer (Full Stack Developer) REQUIRED: Active TS/SCI with Full Scope PolygraphLOCATION: Full-time, onsite in Chantilly, VA Join our team as a SME lev...

user avatar

SharePoint Developer | Modernization & Automation (TS/SCI)

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

Most people never see the systems behind mission success. They don't see the workflows that keep critical intelligence moving. The collaboration tools that help analysts connect information faster. Th...

user avatar

SharePoint Web Developer (TS/SCI)

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

Most people never see the systems behind mission success. They don't see the workflows that keep critical intelligence moving. The collaboration tools that help analysts connect information faster. Th...

user avatar

Space Ground Systems Requirements Engineer

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

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...

user avatar

Systems Engineer

New
Que Technology Group
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

Que Technology Group, Inc., is seeking a Systems Engineer, who has experience working all phases of the system engineering lifecycle. The candidate must have strong experience in the design and modifi...

user avatar

Software Engineer

New
Que Technology Group
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

Que Technology Group, Inc., is seeking a motivated Software Engineer for an extremely customer facing role leading multi faceted mission critical system development, deployment and evolution. The suc...

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