> Markdown version of [/jobs/ext/4604061-senior-rl-systems-engineer-scaled-infrastructure](https://www.wearedevelopers.com/jobs/ext/4604061-senior-rl-systems-engineer-scaled-infrastructure). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior RL Systems Engineer - Scaled Infrastructure - **Company:** Technology Talent Network LLC - **Location:** Union, NJ, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Systems Engineering, Software Debugging, Graphics Processing Unit (GPU), Pytorch - **Published:** November 6, 2026 - **Apply:** https://www.juju.com/job/28_25303_5f294535bc20d0dea3a9bf39eade57fe ## About the Role The role emphasizes productionizing post-training ideas and collaborating with researchers to improve training efficiency. Applicants should have hands-on experience with RL at scale, distributed PyTorch, and RL frameworks, plus ## Description Luma is seeking an experienced Senior RL Systems Engineer to design, build, and scale distributed RL post-training systems across thousands of GPUs. You will own rollout generation, environment design, reward infra, and tooling to monitor and debug large RL runs.