Real-Time Spacecraft Simulation Engineer

Intuitive Machines, LLC; Houston, Northern (TX, KY); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Intuitive Machines, LLC in Houston, TX seeks a Nebula Simulation Software Engineer to design, implement, test, and own environmental, vehicle, and I/O simulation models that support multiple internal and external customers.

The role requires collaboration with GNC and subsystem engineers, developing high‑fidelity models, and delivering verifiable simulations with HWIL and real‑time capabilities. A strong background in C/C++ and Python is essential.

Qualifications

• BS or MS in Aerospace Engineering, Physics, or related field.
• 5+ years of experience preferred.
• Experience with Agile software development.
• Experience with Atlassian tools, Git version control, Gitlab, Docker, and Linux is preferred.

Responsibilities

• Design, implement, test, and “own” environmental, vehicle and I/O simulation models.
• Collaborate with vehicle software, GNC, and other subsystem engineers to create high‑fidelity models.
• Create and execute simulation model verification tests.
• Hardware-in-the-loop (HWIL) simulation development and testing.
• Write model unit tests and coordinate high‑level testing of implemented models.
• Develop and maintain Software Quality Assurance (SQA) tools.
• Provide simulation support to flight software, ground software, and operations teams.

Skills

C

C++

Python

Education

BS or MS in Aerospace Engineering, Physics, or related field

Tools

Docker

Linux

Git

GitLab

Atlassian tools

Job description

Intuitive Machines, LLC in Houston, TX seeks a Nebula Simulation Software Engineer to design, implement, test, and own environmental, vehicle, and I/O simulation models that support multiple internal and external customers.

The role requires collaboration with GNC and subsystem engineers, developing high‑fidelity models, and delivering verifiable simulations with HWIL and real‑time capabilities. A strong background in C/C++ and Python is essential.