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Flight Software

Guidance Navigation & Controls Engineer (GN&C)

Intuitive Machines logoIntuitive MachinesHouston, TXFull TimePosted 8mo agoStill open, checked every night

About the job

GN&C Engineer

Houston, TX

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.

About the Position

Our long-term partnership with NASA has created an exciting opportunity for a GN&C Engineer supporting the JETS II contract at Johnson Space Center in Houston, TX. This position is on site at JSC.

Responsibilities

  • Develop and evaluate safety-critical flight software
  • Utilize Matlab/Simulink/Autocode skills to update Orion GN&C Flight Software
  • Utilize Python & C/C++ skills to analyze and test Orion GN&C Flight Software
  • Further develop flight software processes and procedures
  • Perform deep-dive analyses of flight and simulation software
  • Perform other duties as required

Requirements

  • Significant experience with MATLAB including Simulink, Stateflow, and Autocode
  • Proficiency with C/C++ and Python - Significant knowledge of GN&C
  • Experience in the following flight software specialty areas:- GN&C software development - Software process and procedure development - Software Integration and Build Management
  • Excellent communication skills and the ability to work in a team environment consisting of NASA civil servants and various contractor employees
  • Requires a bachelor’s degree in engineering and a minimum of 5 years of experience in the field or in a related area
  • Significant experience with C, C++, and Python
  • Experience with TRICK/JEOD simulation architecture
  • Safety and flight-critical embedded software development
  • Object-oriented software development
  • Knowledgeable in source code control
  • Strong debugging and troubleshooting skills.
  • Experience working on large-scale aerospace or complex engineering programs .
  • Ability to analyze and fix issues in other engineers’ code.
  • Experience supporting testing and verification activities.

Requisition Preferences

  • Experience supporting NASA programs.
  • Experience in high-reliability or human-rated flight systems.
  • Ability to troubleshoot complex integration issues quickly.
  • Strong analytical mindset.
  • Comfortable digging into legacy or unfamiliar code.
  • Works effectively in large, collaborative technical teams.
  • Ensures continuous integration pipelines remain stable and successful.

US EEO Statement:

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.

From Intuitive Machines's job posting, checked 7 Nov 2026. The employer's own page is the final word on requirements and availability.

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About Intuitive Machines

Builds lunar landers and the navigation and communications services around them.

Pay on its listings: 7.7% of its open jobs state their pay

How it pays: Paid as an employee on Intuitive Machines's own payroll (salaried or hourly, as each posting states).

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