Spaceflight Simulation Engineer I (SIL/HIL)

Inversion; Los Angeles (CA); On-site; USD 71,000 - 124,000; Full time

Job summary

Inversion, based in Playa Vista, CA, builds flight simulation environments for space systems, turning complex GNC algorithms into reliable C/C++ software for SIL/HIL testing.

You will bridge the GNC, Software, and Simulation teams, develop scalable data pipelines, automate tests, and maintain HPC testbeds to ensure fast, repeatable verification under realistic conditions. In-office presence in California is required.

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, Aerospace Engineering, Mechanical Engineering, or equivalent technical experience.
• Typically 1+ years of internship, academic research, or professional experience developing software, physics-based simulations, or numerical models.
• Proficiency in programming languages such as C++ or Python in a Linux environment.
• Strong foundational understanding of physics, classical mechanics, dynamics, and numerical analysis.
• Familiarity with standard software development practices, including version control (Git).
• Excellent verbal and written communication skills with a strong motivation to learn and take on technical ownership of complex codebases.
• Must have the ability to obtain and maintain a U.S. government Secret/Top Secret security clearance.

Responsibilities

• Develop, test, and maintain simulation models for spacecraft subsystems, environmental dynamics, and hardware interfaces.
• Support the execution, automation, and scaling of Software-in-the-Loop (SIL) and Hardware-in-the-Loop (HIL) testing runs.
• Write and optimize data-processing pipelines and visualization scripts to analyze simulation outputs and verify vehicle-level requirements.
• Integrate internal guidance, navigation, and control (GNC) algorithms, aerodynamic databases, and sensor models into the core simulation platform.
• Develop and run automated unit tests, integration tests, and regression suites to ensure simulation platform stability.
• Maintain and troubleshoot simulation backend infrastructure, high-performance computing (HPC) nodes, and physical testbeds.
• Document simulation setups, API interfaces, and user guides to empower product engineering teams to run self-service simulation workflows.

Skills

C++

Python

Linux

GNC algorithms

SIL/HIL testing

Software development

Education

Bachelor's degree

Tools

MATLAB/Simulink

ROS/ROS2

Docker

Git

HPC

Job description

Inversion, based in Playa Vista, CA, builds flight simulation environments for space systems, turning complex GNC algorithms into reliable C/C++ software for SIL/HIL testing.

You will bridge the GNC, Software, and Simulation teams, develop scalable data pipelines, automate tests, and maintain HPC testbeds to ensure fast, repeatable verification under realistic conditions. In-office presence in California is required.