Senior Simulation Software Engineer – Complex Systems

General Matter; Los Angeles (CA); On-site; USD 100,000 - 200,000; Full time

Benefits offered by this job

Stock options

Medical coverage

Vision coverage

Dental coverage

401(k) retirement plan

Job summary

General Matter is seeking a Simulation Software Engineer to design high‑fidelity simulators for our nuclear fuel production systems. You will shape architecture, implement scalable simulation pipelines, and validate models against empirical data, collaborating with hardware, chemical, and electrical teams.

The role emphasizes robustness, performance, and the ability to operate in safety-critical engineering environments with leadership in setting engineering standards.

Qualifications

• Bachelor’s degree or higher in Computer Science, Electrical, Mechanical Engineering, Physics, or related field.
• 7+ years of experience building simulators for complex, real‑world systems.
• Strong programming skills in C++ and/or Python with large data handling.

Responsibilities

• Architect and own simulators for large, distributed systems with complex interactions, feedback loops, and failure modes.
• Model system dynamics and control behavior across nominal and off‑nominal conditions.
• Build scalable infrastructure for high‑volume simulation, scenario generation, and automated validation.
• Define correctness criteria and validate outputs with test and real‑world data with hardware teams.
• Support hardware‑in‑the‑loop (HIL) and software‑in‑the‑loop (SIL) testbeds.

Skills

C++

Python

Distributed systems modeling

Control theory

HIL/SIL experience

Engineering standards

Education

Bachelor's degree or higher in CS/EE/ME/Physics

Tools

High-performance computing

Job description

General Matter is seeking a Simulation Software Engineer to design high‑fidelity simulators for our nuclear fuel production systems. You will shape architecture, implement scalable simulation pipelines, and validate models against empirical data, collaborating with hardware, chemical, and electrical teams.

The role emphasizes robustness, performance, and the ability to operate in safety-critical engineering environments with leadership in setting engineering standards.