Staff Simulation Engineer, Physics Engineer

Irvine, California · Remotefull time

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Remote

senior

$171k–$227k

H1B: no

rivianvw.tech Staff Simulation Engineer owns the physics engine for vehicle simulation, focusing on performance, numerical robustness, and multi-fidelity simulation capabilities. This role sets technical direction and mentors engineers in simulation software development.

Responsibilities

Own engine performance and numerical robustness, with regression evidence that validated results are preserved.
Design and implement multi-fidelity simulation so each study runs at the fidelity its question requires.
Extend vehicle-dynamics and subsystem modeling capability (tires, suspension, driveline, terrain, sensors).
Own reproducibility and performance standards enforced in continuous integration.
Set technical direction, document architectural decisions, and mentor engineers.

Qualification

MS/PhD in MechanicalStrong numerical methodsTire and suspension modeling knowledge

Required

MS/PhD in Mechanical, Aerospace, Computer Engineering, Applied Mathematics, or a related field — or equivalent demonstrated experience.
7+ years building performance-critical numerical or simulation software in modern C++ — or an equivalent demonstrated record.
Strong numerical methods: integration schemes, stiff systems, constraint and contact solvers.
Profiling and optimization on real workloads; disciplined use of sanitizers and static analysis.
Experience reasoning about floating-point reproducibility across compilers and platforms.

Preferred

Experience with the internals of a multibody or vehicle-dynamics simulation engine.
Co-simulation experience (FMI or similar standards).
Tire and suspension modeling knowledge.
Open-source contributions to scientific or simulation software.

Benefits

Medical
Vision
Equity/RSU
Annual Bonus

Company

rivianvw.tech

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Source: ashby

Active within the past hour

Remote-friendly

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