- CACI International (Denver, CO)
- Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage ... software engineering support across multiple phases of the systems engineering lifecycle to include technical planning, CONOP development, requirement analysis,… more
- Lockheed Martin (Littleton, CO)
- …* Selected candidates will be required to obtain, and maintain, a government issued Top Secret for long term employment on this program\. **Desired Skills:** * ... and tools * RF prototyping experience * RF Systems Engineer background in RF PNT, NS,...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
- Northrop Grumman (Keystone, CO)
- …selected international or Guam location after the initial 24-month assignment. + Active DoD Top Secret clearance that is in-scope or currently enrolled in CE + ... and technical support on products such as equipment, integrated systems and subsystems, and software at customer...enrolled in CE, with the ability to obtain a Top - Secret /SCI clearance within a reasonable amount of… more
- Lockheed Martin (Denver, CO)
- …is Ours\. Lockheed Martin Space is seeking a full\-time Early Career Cyber Software Engineer \. Your responsibilities will include: + Design, develop, and ... more operating systems : _Linux, Unix, macOS, Windows, Android, iOS_ **Active TS clearance with SCI eligibility required prior to start\.** **Desired Skills:** +… more
- Lockheed Martin (Littleton, CO)
- …outside of Systems Engineering \(e\.g\., Electrical, Mechanical, Propulsion, RF, Software , etc\.\) * Eligible for TS /SCI security clearance **Desired ... us, ensuring security and prosperity\. Lockheed Martin seeks an innovative and talented engineer to join the Global Security team in Denver, Colorado\. * Establish… more
- RTX Corporation (Aurora, CO)
- …years of prior relevant experience + Active and transferable US government issued DoD Top Secret with CI Polygraph security clearance is required prior to start ... as only US citizens are eligible for a security clearance **Security Clearance:** TS /SCI with Polygraph At Raytheon, the foundation of everything we do is rooted… more
- Lockheed Martin (Littleton, CO)
- …Ballistic Missile \(FBM\) Program by joining the Coordination/Correlation Team as a Systems Engineer Manager\. The team owns and manages interface requirement ... taking on the following key responsibilities: As a Coordination/Correlation Systems Engineer Manager on the FBM program,...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
- Leidos (Aurora, CO)
- …Solutions Business Area, is currently seeking a highly motivated and experienced Senior Systems Engineer for the Chinook Program. The selected candidate will ... VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. **Primary… more
- CACI International (Denver, CO)
- Cleared Software Engineer Intern - Summer 2026 Job Category: Intern/Co-op Time Type: Part time Minimum Clearance Required to Start: TS /SCI with Polygraph ... End: 12/17/2025 **The Opportunity:** CACI is seeking a skilled Software Developer for our Summer 2026 Makalu internship program....+ Must be able to obtain and maintain applicable TS /SCI with Poly. + Must currently be enrolled in… more
- RTX Corporation (Aurora, CO)
- …in Aurora, CO **What You Will Do** Design, develop, test, deliver, and maintain software for cutting edge satellite ground systems . Work with talented teams of ... as only US citizens are eligible for a security clearance **Security Clearance:** TS /SCI without Polygraph At Raytheon, the foundation of everything we do is rooted… more