Spacecraft Software Test Engineer

Spacecraft Software Test Engineer:
Houston, Texas

About Intuitive Machines

Intuitive Machines is an innovative and cutting‑edge space company making cislunar space accessible to both public and private customers. Our mission is to further science and exploration, communications, and economic progress from the Earth to the Moon and beyond. With multiple NASA lunar missions in development and additional private missions on our manifest, we pride ourselves in supporting NASA, our customers, and the nation in paving the way to return humans to the surface of the Moon.

Our world‑class team includes experts in all aspects of spacecraft subsystems design, development, and test, on‑orbit operations, and safety.

If you’re excited about contributing to human space exploration and advancing our understanding of the universe, we’d like to hear from you. Join a team that values collaboration, diverse perspectives, and meaningful work. Your skills and ideas will help us design and deliver systems that support future space missions and create benefits here on Earth. We are excited about what we do, and we need you on our team as we take on exciting challenges for NASA’s pursuits in deep space exploration.

As NASA’s largest engineering solutions provider working together with NASA at centers across the United States.

• Support NASA’s deep space exploration programs by developing, integrating, and verifying spacecraft software used across multiple vehicle subsystems.
• Decompose system‑level requirements into detailed software requirements.
• Build and test C‑based interfaces between government‑furnished equipment (GFE) and contractor‑supplied software modules.
• Perform software integration and verification activities to ensure system functionality, reliability, and performance.
• Serve as a software subject‑matter expert within an integrated product team, supporting cross‑disciplinary collaboration with systems, hardware, and mission operations teams.
• Contributes to the full software development life cycle (SDLC), including requirements analysis, design support, implementation verification, and validation.
• Support mission‑critical testing activities and readiness assessments for spacecraft flight operations.

• Experience with Unit or Integration System Software Testing
• Background working with embedded processors.
• Experience with VxWorks RTOS.
• Familiarity with data‑driven architectures.
• Experience with Core Flight System (cFS) or similar flight software frameworks.
• Knowledge of NASA NPR 7150.2, DO 178C, and NASA ‑ STD ‑ 8739.8 for safety‑critical software.
• Experience developing and testing safety‑critical software within an Integrated Product Team.
• Full life‑cycle software development experience.
• Experience with collaboration tools such as Git Lab, JIRA, and Confluence.
• Strong organizational skills, self‑motivation, and ability to manage multiple priorities with minimal supervision.

• Bachelor’s degree in engineering and 5‑7 years of relevant experience.
• Strong C programming skills with hands‑on experience within the last 2 years.
• Proficiency developing and debugging C in a Linux environment.
• Strong Python development experience within the last 2 years.
• Ability to decompose system requirements into software requirements and develop traceability.
• Experience writing software to integrate GFE and contractor‑supplied modules.
• Experience performing software interface analysis, integration testing, and verification.
• Familiarity with IDE tools and web‑based collaboration platforms.
• Strong communication, coordination, and customer‑facing skills.
• Ability to work both independently and within a team environment with agile software development practices.
• Experience with system and software configuration management.
• Strong time‑management skills with the ability to manage multiple priorities.

Intuitive Machines is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law.