Diagnostics Mechanical Engineer

Commonwealth Fusion Systems•Devens, MA

2d•$107,000 - $160,000•Onsite

About The Position

Commonwealth Fusion Systems is seeking a Diagnostics Mechanical Engineer to support the SPARC tokamak diagnostic systems as they advance through design closeout, analysis, procurement, testing, and installation. The role focuses on finalizing and building front-end, in-vacuum measurement devices, addressing engineering challenges during build and test, and designing structural components for ex-vessel data transmission to diagnostic laboratories. The engineer will work within an integrated team of fusion scientists and engineers to help deliver SPARC’s scientific mission.

Requirements

Bachelor’s degree in a relevant engineering field, such as mechanical, aerospace, civil, or nuclear engineering.
At least 5 years of relevant experience designing and delivering mechanical systems.
Demonstrated experience delivering cradle-to-grave mechanical designs with nuanced environmental or performance requirements.
Experience designing for manufacturing and assembly, and collaborating with partners to oversee or carry out integrated builds.
Bias toward action and the ability to balance engineering intuition with technical rigor to produce robust, simple designs quickly.
First-principles approach to engineering and ability to understand concepts and tradeoffs bridging engineering and physics.
Strong communication skills for gathering inputs and distributing information across partner teams.
Ability to occasionally lift up to 50 lbs.
Ability to perform activities such as climbing, typing, standing, or sitting for extended periods.
Willingness to travel or occasionally work required nights, weekends, or on-call.
Ability to work in a facility containing industrial hazards, including heat, cold, noise, fumes, strong magnets, lead, high voltage, high current, pressure systems, and cryogenics.

Nice To Haves

Experience with Siemens NX, Teamcenter, or Ansys for CAD, PLM, or analysis.
Experience with software development, particularly in Python.
Experience designing large equipment requiring lifting or rigging tools for assembly.
Experience designing systems for exposure to high stress, ultra-high vacuum, high temperature, high magnetic field, or radiation environments.

Responsibilities

Guide SPARC diagnostic subsystems through design closeout, testing, and procurement in collaboration with scientists, designers, analysts, and engineers.
Integrate technical input from team experts to ensure diagnostic designs can withstand SPARC’s harsh environments and support its scientific mission.
Coordinate with manufacturing engineers on build and test strategies for complex integrated systems.
Support field builds to maintain quality and speed.
Contribute to a strong safety culture.