Simulation Researcher/Engineer Job at Luma AI (San Francisco Bay Area)

Job Description

We're building a sufficiently faithful, controllable simulation of the world — on top of Luma's generative video and 3D models — as the substrate for training general-purpose robot policies. As a Simulation Researcher/Engineer, you'll help define what that substrate looks like. You will sit at the boundary between generative models and classical physics simulation, and you'll be one of the people who decides where each one earns its keep.

Job Responsibility

Design simulation environments that are visually rich, physically plausible, and trainable at scale — a hybrid of generative rollouts and physics-engine-based scenes
Build the evaluation harness that tells us whether our world model is good enough to train robots on (sim-to-real gap, physical consistency, long-horizon coherence)
Develop differentiable and GPU-accelerated simulation pipelines where they unlock new training signal
Drive the asset, scene, and task generation pipelines — including using Luma's own generative stack to bootstrap diversity
Collaborate with world-model researchers (upstream) and policy-learning researchers (downstream).

Requirements

Strong background in robotics simulation, computer graphics, physics-based modeling, or generative 3D — degree or equivalent practical record
Fluency in Python and C++
deep familiarity with at least one production physics engine (Isaac Sim/Lab, MuJoCo, Bullet, PhysX, Drake)
Track record of building simulation systems other people actually used.

Nice to have

Research on sim-to-real transfer, domain randomization, differentiable simulation, or neural-rendering-based simulation
Game engine, CGI, animation, or photogrammetry background
Publications at top venues (CoRL, RSS, ICRA, NeurIPS, SIGGRAPH).

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