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
IT - Software

IT - Software Jobs

Showing 12,570 Jobs

Sort by:
user avatar
Software Engineer II
RTX
Secret Not Specified $68,900 - $131,100 / yr
Date Posted:2026-08-18Country:United States of America Location:US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements...
Posted just now
user avatar
Software Engineer II
RTX
Secret Not Specified $68,900 - $131,100 / yr
Date Posted:2026-08-18Country:United States of America Location:US-MA-WESTFORD-WFD7 ~ 7 Technology Park Dr ~ BLDG 7 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirem...
Posted just now
user avatar
Sr. Engineer, Actuation Systems Embedded Software
RTX
Secret Not Specified $86,800 - $165,200 / yr
Date Posted:2026-08-18Country:United States of America Location:US-AZ-TUCSON-M10 ~ 3360 E Hemisphere Loop ~ BLDG M10 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Require...
Posted just now
user avatar
Principal Systems Engineer - RDC Warfighter Support Team
RTX
Secret Not Specified $107,500 - $204,500 / yr
Date Posted:2026-08-18Country:United States of America Location:US-CO-SCHRIEVER-AFB-CUST ~ 720 Irwin Ave ~ SCHRIEVER AFB (External Site) Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigr...
Posted just now
user avatar
Senior Embedded Software Engineer
Leidos
Secret Not Specified $131,300 - $237,350 / yr
R-00189898Description The Maritime Systems Division of Leidos is seeking an experienced software engineer with experience with embedded software architecture, design, implementation, and integration o...
Posted just now
user avatar
Technical Development Lead - Real-Time Visibility
Leidos•Remote/Hybrid
Secret Not Specified $107,900 - $195,050 / yr
R-00189906Description The Leidos Digital Modernization Sector has a career opportunity for a Technical Development Lead - Real-Time Visibility  supporting the Global Solutions Management - Operat...
Posted just now
user avatar
Sr. Curriculum Developer
Leidos
TS/SCI Polygraph $105,300 - $190,350 / yr
R-00189362Description Leidos has an immediate and exciting opportunity for a Sr. Curriculum Developer in our Intel Security Sector's Analysis Solutions Business Area.  Our talented team is at...
Posted just now
user avatar
Senior Product Systems Engineer - SIGINT
Leidos
TS/SCI Polygraph $107,900 - $195,050 / yr
R-00189840Description About LeidosLeidos is a FORTUNE 500® company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and health indu...
Posted just now
user avatar
Lead Systems Engineer - RF Systems
Leidos
TS/SCI Polygraph $154,050 - $278,475 / yr
R-00189860Description About LeidosLeidos is a FORTUNE 500® company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and health indu...
Posted just now
user avatar
Life Cycle Engineering - Systems Engineer I
RTX
Secret Not Specified $62,900 - $119,700 / yr
Date Posted:2026-08-18Country:United States of America Location:US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...
Posted just now
user avatar
Software Developer
MANTECH•Remote/Hybrid
Secret Not Specified
MANTECH seeks a motivated, career and customer-oriented Software Developer (Systems Software) SME to join our CASTLE-NET Program team. This is a remote position. Be a part of an agile team to provi...
Posted just now
user avatar
Software Engineer Stf - E4
Lockheed Martin
Top Secret Not Specified $135,700 - $251,900 / yr
Job Number 4399 Standard Job Description Plans, conducts, and coordinates software development activities. Designs, develops, documents, tests, and debugs software that contains logical and mathemati...
Posted just now
user avatar
Software Engineer - E2
Lockheed Martin
Top Secret Not Specified $91,200 - $169,400 / yr
Job Number 4546 Standard Job Description Plans, conducts, and coordinates software development activities. Designs, develops, documents, tests, and debugs software that contains logical and mathemati...
Posted just now
user avatar
Embedded Software Engineer Sr Stf - E5
Lockheed Martin
Secret Not Specified $148,300 - $275,500 / yr
Job Number 4172 Standard Job Description Designs, develops, operates, and maintains software and firmware components and computing systems software to be applied to and integrated with engineering, s...
Posted just now
user avatar
Software Engineer - E2
Lockheed Martin
Secret Not Specified $91,200 - $169,400 / yr
Job Number 4225 Standard Job Description This position is for a Software Engineer within the historic Skunk Works Organization. The team is a diverse set of hardware and software engineers working to...
Posted just now
user avatar
Embedded Staff Software Engineer / Embedded / C++
Lockheed Martin
Secret Not Specified $120,600 - $224,000 / yr
Job Number 2052 Standard Job Description Designs, develops, operates, and maintains software and firmware components and computing systems software to be applied to and integrated with engineering, s...
Posted just now
user avatar
Systems Engineering Asc Mgr - L4
Lockheed Martin
Secret Not Specified $104,900 - $194,700 / yr
Job Number 4066 Standard Job Description The Joint Combat Weapons Systems (JCWS) - Javelin program is seeking a Lead Systems Engineer (LdSE). You will report to the program area Lead Systems Engineer...
Posted just now
user avatar
Systems Engineering Asc Mgr - L4
Lockheed Martin
Secret Not Specified $104,900 - $194,700 / yr
Job Number 4356 Standard Job Description Lockheed Martin is seeking a Lead Systems Engineer (LdSE) for an advanced missile/sensor development effort. This position reports to the Program area's ...
Posted just now
user avatar
Systems Engineering Asc Mgr - L4
Lockheed Martin
Secret Not Specified $104,900 - $194,700 / yr
Job Number 4116 Standard Job Description The Tactical Missile (TM) - Launcher program is seeking a Lead Systems Engineer (LdSE). You will report to the program area Lead Systems Engineer and work clo...
Posted just now
user avatar
Software Engineer Sr Stf - E5
Lockheed Martin
Secret Not Specified $148,300 - $275,500 / yr
Job Number 1265 Standard Job 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 poss...
Posted just now
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