# Member of Technical Staff, Post-Training, RL Infra at Mirendil

- Company: Mirendil
- What the company does: Mirendil — a frontier lab building systems that excel at AI R&D. Backed by Kleiner Perkins.
- Company website: https://mirendil.com/
- Type: Startups
- Level: Senior
- Location: San Francisco
- Work setup: On-site
- Pay: $300K to $400K base salary per year (USD)
- Posted: 2026-06-24
- Apply by: 2026-10-08
- Apply: https://jobs.ashbyhq.com/mirendil/b56ba195-8baa-4f32-9891-20ef0cf6b18e
- Page: https://www.1752.vc/careers/jobs/mirendil-member-of-technical-staff-post-training-rl-infra/

## About the role

We are looking for engineers to help build the post-training stack for frontier reasoning models. This role sits at the intersection of research and infrastructure. You will work to push the scale of our RL stack, whether it is novel recipe ideas, reliability, or performance. Some example areas you might work on (not limited to): Design and build reliable infrastructure for large-scale RL training

Tags: Tech