# Manufacturing Engineer III at Thea Energy

- Company: Thea Energy
- What the company does: Thea Energy is building an economical and scalable fusion energy system utilizing arrays of mass manufacturable magnets and dynamic software controls. Backed by Prelude Ventures.
- Company website: https://thea.energy
- Type: Startups
- Level: Mid level
- Location: Kearny, NJ
- Work setup: On-site
- Pay: $115K to $140K base salary per year (USD)
- Posted: 2026-09-29
- Apply by: 2026-11-13
- Apply: https://jobs.lever.co/thea.energy/a7dc58b2-64d8-4a38-a1d0-9322c5271ce9
- Page: https://www.1752.vc/careers/jobs/thea-energy-manufacturing-engineer-iii/

## About the role

Thea Energy is seeking a seasoned Manufacturing Engineer III to join our rapidly growing team. In this role, you will lead the development, validation, and scale-up of advanced manufacturing processes, complex tooling, and specialized equipment required to build and test high-temperature superconducting ("HTS") magnets. As a senior technical contributor, you will play a key role in establishing the frameworks for manufacturing development as we develop and prototype our stellarator systems.

## What they're looking for

- Bachelor’s degree in Mechanical, Manufacturing, Aerospace, or Electrical Engineering (or related field) with 7+ years of hands-on manufacturing engineering experience
- Extensive experience building complex electro-mechanical assemblies and introducing first-of-a-kind hardware processes into full-scale production
- Proven background in advanced joining and metal fusion processes, including high-precision soldering, brazing, electron beam, or TIG welding
- Demonstrated success scaling low-volume development projects into continuous production environments utilizing PLM, MRP, and ERP software platforms
- Deep expertise in drafting and interpreting engineering drawings with comprehensive Geometric Dimensioning and Tolerancing (GD&T) per ASME Y14.5
- Experience in magnetic confinement fusion, aerospace, medical devices, defense, or high-reliability advanced manufacturing sectors

Tags: Manufacturing Engineering