Guidance Navigation & Controls Engineer (GN&C)

Intuitive Machines, LLC; Houston (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Intuitive Machines is seeking a Guidance, Navigation & Controls (GN&C) Engineer to join our on-site team at Johnson Space Center in Houston, TX. The role focuses on developing and evaluating safety-critical GN&C flight software, using MATLAB, Simulink, Autocode, C/C++, and Python to analyze, test, and update Orion GN&C flight software.

The candidate will contribute to software processes, be part of a NASA-facing environment, and work with a diverse team of engineers to support large-scale

Qualifications

• Bachelor’s degree in engineering with 5+ years in GN&C or related field.
• Significant experience with MATLAB (Simulink, Stateflow, Autocode).
• Proficiency in C/C++ and Python for GN&C flight software.
• Experience in GN&C software development, integration, and test.
• Familiar with TRICK/JEOD simulation architecture.
• Strong debugging, troubleshooting, and communication skills.
• Experience on large-scale aerospace or complex programs.

Responsibilities

• Develop and evaluate safety-critical flight software
• Utilize Matlab/Simulink/Autocode 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

Skills

MATLAB

Simulink

Stateflow

Autocode

C/C++

Python

GN&C

Debugging

Education

Bachelor's degree in engineering

Tools

TRICK/JEOD

Git

Build management

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Guidance Navigation & Controls Engineer (GN&C)

Full Time Houston, TX, US

30+ days ago Requisition ID: 1443

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
• 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.
• 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.