Senior Simulation Software Engineer

GM • Warren, MI

1d

About The Position

About the Team The Autonomous Robotics Center develops cutting-edge simulation environments to accelerate autonomous system innovation. Our team leverages advanced platforms like Unity, Unreal Engine, and Nvidia Omniverse / Isaac Sim to create realistic, scalable virtual worlds for testing and validation of Robotic and manufacturing plants across the company. Role Overview We are seeking a S enior Simulatio n Software Engineer on the Digital Twin team with expertise in at least one major simulation environment (Unity, Unreal Engine, or Nvi dia Isaac Sim) and a willingness to learn others. This role focuses on designing, building and scaling core software services and high-performance 3D immersive simulation environments, programming NPC behaviors, and supporting automation workflows for autonomous robotics development. The role will combine 3D/real-time programming with strong software platform engineering to deliver reliable, low-latency simulations at en terprise scale.

Requirements

• Bachelor’s or Master’s degree in Computer Science , Game Development, Robotics, or related field .
• 5+ years of experience in software engineering including 3D simulation development or game engine programming.
• Expertise in one of the following: Unity 3D , Unreal Engine, or Isaac Sim, with willingness to learn others.
• Proven experience productizing 3D software systems: rendering pipelines, physics, simulations, or digital twins.
• Strong skills in NPC programming and behavior scripting.
• Proficiency in C#, C++, or Python , with strong computer graphics and linear algebra foundations
• Solid CI/CD, version control (Git ) and agile development practices.

Nice To Haves

• Experience with robotics simulation and autonomous systems.
• Knowledge of physics-based simulation and AI-driven behaviors.
• GPU/compute expertise (HLSL/GLSL/Compute Shaders), materials/shaders, and graphics debugging tools ( RenderDoc , PIX, Nsight).
• Experience with manufactu ring, automotive or industrial domains
• Knowledge of cybersecurity best practices for connected systems
• Can-do attitude, c reative problem- solving and technical innovation.
• Strong collaboration and communication skills .
• Ability to adapt to evolving technologies and tools.

Responsibilities

• Develop and maintain simulation environments using Unity, Unreal Engine, or Nvidia Isaac Sim.
• Implement NPC programming and behavior logic for realistic interactions.
• Own end-to-end features: requirements, architecture, implementation, testing, deployment and ob servability for core capabilities.
• Build high-performance 3D simulation modules for scalability and real-time execution (rendering, physics, spatial indexing ) and integrate them with platform services.
• Develop asset pipelines and tooling for ingesting, transforming, and optimizing complex 3D assets (USD/GLTF) and scene graphs for real-time use.
• Collaborate with robotics engineers and software developers to integrate simulation with automation pipelines.
• Contribute hands-on to coding and code reviews, promoting clean code practices and secure development standards.
• Troubleshoot and resolve technical issues in simulation frameworks.
• Document workflows and best practices for cross-team adoption.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees