# Core Design Engineer at Oklo

- Company: Oklo
- Status: Open
- Workplace: Hybrid
- Location: Santa Clara, CA or Remote
- Level: Mid-level
- Discipline: Engineering
- Employment: Full-time
- Posted: 2026-09-14
- Skills: Reactor Engineering
- Apply: https://job-boards.greenhouse.io/oklo/jobs/6185829004

## Description

Thanks for your interest in Oklo! We are searching for a Core Design Engineer to join our engineering team.
 Position Description 
 Core Design Engineers at Oklo are responsible for designing performant and manufacturable reactor cores which balance neutronic, thermal hydraulic, material, mechanical, and economic considerations. Work performed by Core Design Engineers includes executing multiphysics simulations to assess core performance, writing clear and thorough design documentation, performing analyses to validate and verify core requirements, and working closely with fabrication engineers to mature their designs.
 Core design is an interdisciplinary field, we are looking for applicants who have a holistic understanding of reactor physics that lets them quickly ascertain how proposed design changes will impact core performance. Level will be determined based on applicant experience.
 Specific responsibilities may include: 
• 
 Traveling to headquarters (Santa Clara, CA) 2x per calendar quarter for team meetings, company offsite, or other business gatherings
• 
 Translating top-level stakeholder requirements into well-written system functional requirements
• 
 Modeling core performance over time through multiphysics simulations and first principles approaches
• 
 Documenting work using modern tools and techniques, and producing well-written technical reports
• 
 Collaborating cross-functionally to define performance requirements, and providing technical feedback to methods development teams
 Minimum Qualifications: 
• 
 Bachelors, Masters, or PhD in nuclear engineering o

More Oklo roles: https://deviantjobs.com/companies/oklo