GN&C Software Developer (Navigation) (AXIOM) (R0000179)

Houston, TX, USA

Full-Time Exempt Position

U.S. Citizenship Required

About the Role

Intuitive Machines is working alongside our sister company, Axiom Space, to lead the charge of commercializing human spaceflight in Low Earth orbit via the Axiom Station. We proudly put forward an exceptional team that lives at the intersection of rigor and agility. We are seeking the best, the brightest and the driven to be a part of our innovative team. Join us and you’ll be rewarded with competitive compensation, benefits and possession of your own unique place in history.


  • Design, implement and test the Navigation application suite

  • Exercise the Navigation application suite against simulated environments and test rigs to validate and verify proper implementation

  • Draft unit tests and coordinate high-level testing of Navigation features and functionality

  • Conduct analyses upon nominal and off-nominal vehicle operations and performance related to Navigation behavior

  • Support console operations of on-board Navigation software during field tests and deployments

Required Education/Experience/Skills

  • M.S. in aerospace engineering or physics with relevant experience

  • 2+ years experience in C/C++ development

  • 2+ years in spacecraft navigation related disciplines

  • Experience developing navigation-related flight software

  • Experience with Kalman filters

  • Strong understanding of orbital mechanics, state propagation, state determination, and uncertainty

  • Experience integrating with and executing simulations

  • Organized, thorough and methodical approach to software quality and testing

  • Excellent written and oral communication skills

  • Capable of both high quantity and high quality output

  • Ability to work in a fast paced, hard charging, high stakes environment

  • Experience with the design, implementation and test of solutions involving fault detection, isolation and recovery (FDIR)

  • Ability to travel to support operations in various test and deployment scenarios

  • A passion for spaceflight


  • M.S. or PhD in physics or engineering domain

  • Experience with optical navigation techniques and implementations

  • Experience with xUnit compliant unit test frameworks

  • Experience with GSFC Core Flight Software (CFS) framework

  • Experience with NASA Trick simulation framework

  • Experience with real-time software

  • Experience with spacecraft operations / console support

  • Experience with Windows and POSIX-based operating systems

  • Experience with Docker-based containerization

  • Experience in an agile / scrum development environment

  • Experience in Gitflow coordinated configuration management schemes

Essential Requirements

  • Must be a U.S. Citizen and successfully complete a U.S. government background investigation.

  • Applicant selected may be subject to government security investigation and must meet eligibility requirements

  • Work may involve sitting for extended periods