Senior Simulation Engineer, Systems & Test

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

Benefits offered by this job

Stock options

Medical/Vision/Dental coverage

401(k) retirement plan

Job summary

General Matter in Los Angeles is seeking a Simulation Software Engineer to design high-fidelity simulators for our physical systems, hardware, and control software. You will define architecture, standards, and reliability for mission-critical simulation pipelines, collaborating with hardware, chemical, and electrical teams.

The role emphasizes on-site work at our LA headquarters, HIL/SIL testbeds, and building scalable infrastructure for validation and design verification, with an emphasis on

Qualifications

• Bachelor’s degree or higher in CS, EE, Mech Eng, Physics, or related field.
• 7+ years of experience building simulators for real-world systems.
• Strong programming in C++ and/or Python with large data handling.
• Deep understanding of distributed systems, control systems, or physical processes.
• Experience validating simulations with empirical data or hardware-in-the-loop.
• High standards for correctness, robustness, and engineering rigor.

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 operating conditions.
• Build scalable infrastructure for high-volume simulation, scenario generation, and automated validation.
• Define correctness criteria and validate outputs against test and real-world data in partnership with systems and hardware teams.
• Support hardware-in-the-loop (HIL) and software-in-the-loop (SIL) testbeds that exercise control and system software against simulated plant behavior.

Skills

C++

Python

Distributed systems

Control systems

HIL/SIL experience

Education

Bachelor’s degree or higher

Tools

HIL/SIL testbeds

CI/CD

High-performance computing

Job description

General Matter in Los Angeles is seeking a Simulation Software Engineer to design high-fidelity simulators for our physical systems, hardware, and control software. You will define architecture, standards, and reliability for mission-critical simulation pipelines, collaborating with hardware, chemical, and electrical teams.

The role emphasizes on-site work at our LA headquarters, HIL/SIL testbeds, and building scalable infrastructure for validation and design verification, with an emphasis on