Senior Field Service Technician; Ohio

Job Overview

We are searching for highly motivated, mechanically inclined individuals to join our growing Field Service team. In this position, you will play a direct role in completing planned and reactive service operations on our generators, maintaining system uptime, availability, and performance for deployed units on customer sites in a specific region. You will train at our headquarters in Menlo Park, CA, and be assigned to a particular service region requiring travel.

For those inclined, ample growth opportunities exist within Mainspring. We offer full benefits, including vacation and sick time, 401K, and pre‑IPO stock options.

• Mechanically repair and/or perform maintenance on components and assemblies that make up our generators in accordance with procedures and build checklists to meet customer requirements.
• Collaborate with engineers to repair and redesign components and assemblies.
• Conduct mechanical inspections of deployed units, documenting condition information for debugging or troubleshooting.
• Be available to work rotational on‑call shifts, as per the written schedule, to provide optimal service and support for customers.

• Minimum of 5 years of experience with mechanical assembly and/or repair, including automotive, aviation, HVAC, elevators/lifts, or industrial equipment assembly.
• Experience with precision measuring down to .001” using micrometers, bore gauges, gauge blocks, etc., and familiarity with torque wrenches and repair documentation.
• Ability to stand for long periods, lift up to 50 lbs., and wear required PPE.
• Knowledge of using and maintaining basic tools (torque wrenches and specifications).
• Ability to follow written and verbal work instructions onsite.
• Excellent communication skills; knowledge of Google Workspace is a plus.
• A proven track record of working well with others as part of a dynamic team.
• Self‑motivated, safety‑oriented, and quick learner.
• Valid driver’s license required;
  Class A commercial driver’s license preferred.

$35–$50 an hour, with adjustments for local market conditions and experience. In addition to base hourly pay, Mainspring offers pre‑IPO stock options, benefits, and bonus opportunities.

Onsite in Columbus, OH. The hourly rate will be adjusted to reflect local market conditions based on employee location as well as experience.

We are committed to building a diverse, inclusive, flexible, and collaborative environment. If your experience does not meet all posted requirements, we still encourage you to apply.

Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status, and will not be discriminated against on the basis of disability.