Mechanical Engineer, Energy Hardware & Validation

Mainspring Energy, Inc.; Menlo Park (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Mainspring Energy, Inc. in Menlo Park, CA is seeking a Mechanical Engineer to own defined-scope mechanical tasks within the Linear Generator platform.

You will design hardware, support analysis, run tests, and drive work through validation and release with cross-functional teams. The role targets engineers who have hands-on mechanical experience across design, analysis, test, release, or implementation cycles and can independently own defined work while communicating decisions.

Qualifications

• Practical mechanical design experience across multiple cycles (design, analysis, test, release).
• Ability to own defined work and communicate decisions clearly.

Responsibilities

• Own defined-scope mechanical tasks within the Linear Generator platform.
• Design hardware, support analysis, run tests, and drive validation and release with cross-functional teams.

Skills

Mechanical design

Design validation

Test execution

Cross-functional teams

Job description

Mainspring Energy is seeking a Mechanical Engineer in Menlo Park, CA to own defined-scope mechanical tasks within the Linear Generator platform. You will design hardware, support analysis, run tests, and drive work through validation and release with cross-functional teams.

This role targets engineers who have developed practical mechanical experience through multiple design, analysis, test, release, or implementation cycles and can independently own defined work while communicating decisions