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# Flight Software Developer (GNC&P)

- **Company:** Cimarron Software Services, Inc.
- **Location:** Denver, CO, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** C++ (Programming Language), Linux, Python (Programming Language), MATLAB, Simulation Software, Software Engineering, Software Verification, Test Scripts, Hardware Testing, Information Technology
- **Published:** October 27, 2026
- **Apply:** https://www.juju.com/job/1_F0CD67116197495BA266DD0AE731AED8-CO844768665684678

## About the Role

Travel None Required/Desired Skills, Experience, and Education **Required Skills, Experience, and Education:** - Due to facility security requirements, only U.S. citizens are eligible for consideration at this time. - This position requires access to federal facilities.
Candidates must possess a valid, unexpired Real ID-compliant driver's license or state-issued identification card at the time of hire.
If you are unsure whether your ID is Real ID-compliant, please check for the star symbol in the upper portion of your driver's license or state ID. - Ability to complete a pre-employment background check and drug screening, which will include but is not limited to testing for marijuana use. - 2 or more years of relevant experience. - Previous software verification experience. - Must have leadership ability. - High Level of Python experience (SWTE specifically). - Knowledgeable with Linux. - Knowledgeable with Matlab. - Bachelor's degree in computer science, aerospace, or related equivalent engineering degree. **Desired Skills, Experience, and Education:** - Previous Orion and/or Orion software verification experience. - Previous Flight Software or Simulation Software Experience. - GNCP (Guidance, Navigation, Controls, and Propulsion) knowledge. - Experience with C++, - Experience with Doors. **Business Profile:** Cimarron is a global solutions company with a

## Description

Cimarron is seeking a ***Flight Software Developer (Guidance, Navigation, Controls, and Propulsion)*** to help support the Orion MPCV Spacecraft docking GNCP RPOD software development, validation and verification. **This position is located in Denver, CO but can also be supported remotely. ** **Key Duties:** - Work with a team of NASA and Lockheed GNCP (Guidance, Navigation, Controls, and Propulsion) engineers and software developers to verify the flight code for the Orion space craft. - You will take responsibility of flight requirements verification through final run for record. - Contribute on a highly motivated, collaborative, and dedicated flight software (FSW) team who specifically support the Artemis mission. - Incorporate lessons learned from prior Orion missions to adopt new efficiencies that can be leveraged for Artemis FSW development & processes. - Review and understand requirements and their parts success criteria. - Create test cases/test scripts in Python to fully
verify success criteria. - Follow a process of developing Python based testing through a final qualification review. - Review existing GNCP verification tests in regression; identify any failings, understand the issues, and implement corrections - Run both software and hardware test beds. - Collaborate effectively with team members, outside mode teams, developers, and principal engineers.