Senior Mechanical R&D Technician: Prototyping & Precision

Mainspringenergy; Edison (CA); On-site; USD 75,000 - 110,000; Full time

Job summary

Mainspring Energy in Menlo Park, CA, is seeking a Mechanical R&D Technician to join our growing team. You will assist in developing next-gen high-efficiency generators, assemble components, and build prototypes under the guidance of engineers.

The role emphasizes hands-on mechanical work, safety, and rapid problem solving, with opportunities to influence design iterations and contribute to affordable, dispatchable energy solutions.

Qualifications

• Minimum of 6 years of hands-on experience with mechanical assembly and/or repair.
• Experience with automotive or heavy equipment assembly is a plus.
• Experience with precision measuring instruments to .001" (micrometers, bore gauges, gauge blocks).
• Must possess a valid California Driver’s License; CDL is a plus.
• Safety-minded and able to learn quickly in a fast-paced R&D environment.

Responsibilities

• Dive headfirst into next-gen high-efficiency generator development with a build and test team.
• Construct cutting-edge components and assemblies for generators following procedures while seeking improvements.
• Troubleshoot, repair, and reimagine components to influence design evolution.
• Inspect test units and document findings to provide insights for engineering.
• Identify and implement safety and efficiency improvements with peers.

Skills

Mechanical assembly

Repair

Auto/heavy equipment

Safety awareness

Learning ability

Tools

Micrometers

Bore gauges

Gauge blocks

Calipers

Metal fabrication

Job description

Mainspring Energy in Menlo Park, CA, is seeking a Mechanical R&D Technician to join our growing team. You will assist in developing next-gen high-efficiency generators, assemble components, and build prototypes under the guidance of engineers.

The role emphasizes hands-on mechanical work, safety, and rapid problem solving, with opportunities to influence design iterations and contribute to affordable, dispatchable energy solutions.