# Senior Mechanical Engineer at Oklo

- Company: Oklo
- What the company does: Oklo Inc. is developing fast fission power plants to deliver clean, reliable, affordable energy at scale, establishing a domestic supply chain for…. Backed by Y Combinator.
- Company website: http://oklo.com
- Type: Startups
- Level: Senior
- Location: Santa Clara, CA or Remote
- Work setup: Remote
- Pay: $175K to $210K base salary per year (USD)
- Posted: 2026-09-16
- Apply by: 2026-10-31
- Apply: https://job-boards.greenhouse.io/oklo/jobs/6188826004
- Page: https://www.1752.vc/careers/jobs/oklo-senior-mechanical-engineer/

## About the role

Serve as Oklo's technical expert for high-temperature piping, pressure vessels, pressure boundaries, and their supporting components within the OFRF. Translate process temperatures, pressures, chemistry, flow conditions, vacuum and inert-gas requirements, operating cycles, and upset conditions into the piping and vessel design basis, applicable codes, load combinations, service life, and acceptance criteria.

## What they're looking for

- Bachelor's degree in Mechanical Engineering or a related engineering discipline
- 10+ years of mechanical engineering experience with process piping, pressure vessels, or high-temperature systems, including responsibility for piping stress, pressure vessel, thermal, or mechanical stress analyses
- Working knowledge of applicable ASME codes and standards, including ASME B31.3 and ASME Boiler and Pressure Vessel Code Section VIII
- Strong understanding of thermal expansion, fatigue, creep, buckling, nozzle loads, pipe supports, pressure boundaries, and elevated-temperature material behavior
- Experience developing and reviewing calculations, specifications, data sheets, drawings, and fabrication-ready design packages
- Experience with materials selection, welding, fabrication, nondestructive examination, pressure testing, and inspection of piping or vessels

Tags: Fuel Recycling