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Senior Field Service Technician; Long , NY

Job in New York, New York County, New York, 10261, USA
Listing for: Mainspring Energy
Full Time position
Listed on 2026-09-20
Job specializations:
  • Energy/Power Generation
    Field/Service Technician
  • Engineering
    Field/Service Technician
Salary/Wage Range or Industry Benchmark: 39000 - 55000 USD Yearly USD 39000.00 55000.00 YEAR
Job Description & How to Apply Below
Position: Senior Field Service Technician (Long Island, NY)
Location: New York

Mainspring Energy manufactures and delivers fuel-flexible, low-emissions local power solutions that rapidly add new capacity and deliver reliable, affordable, and sustainable electric power. The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities. Mainspring also partners with global energy leaders including AEP, Next Era Energy Resources, Schneider Electric, and more.

The core values that ground our work, guide our decisions, and connect us together:

  • Pragmatic Optimism
  • Excellence without Ego

About Mainspring

Mainspring Energy manufactures and delivers fuel-flexible, low-emissions local power solutions that rapidly add new capacity and deliver reliable, affordable, and sustainable electric power. The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities. Mainspring also partners with global energy leaders including AEP, Next Era Energy Resources, Schneider Electric, and more.

The core values that ground our work, guide our decisions, and connect us together:

  • Pragmatic Optimism
  • Excellence without Ego
  • Proactive Collaboration
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. In this position, you will play a key role in 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, there are ample growth opportunities within Mainspring, and we offer full benefits, including vacation and sick time, 401K, and pre-IPO stock options.

Responsibilities
  • Mechanically repair and/or perform maintenance on components and assemblies that make up our generators in accordance with procedures and build checklists in order to meet customer requirements
  • Collaborate with engineers to fix, repair, and redesign components and assemblies
  • Conduct mechanical inspections of deployed units, documenting condition information for use by our team for debugging or troubleshooting
  • Be available to work rotational on-call shifts, as per the written schedule, to provide optimal service and support for our customers
Qualifications
  • Minimum of 5 years of experience with mechanical assembly and/or repair. Experience with automotive, aviation, and/or heavy equipment (i.e. HVAC, elevators/lifts, or industrial equipment) assembly a plus
  • Experience with precision measuring, down to .001 , using micrometers, bore gauges, gauge blocks, etc. Also, familiarity with torque wrenches and documentation of repairs performed
  • Candidates must be able to stand for long periods of time, lift to 50 lbs., and wear required PPE
  • Must have knowledge of how to use and maintain basic tools, such as torque wrenches and torque specifications
  • Must have experience with following written and verbal work instructions while on-site
  • Excellent communication skills, software knowledge of Google Workspace is a plus
  • A proven track record for the ability to work well with others as part of a dynamic team
  • Ability to learn quickly, is self-motivated and safety oriented
  • Valid Driver’s license required;
    Class A Commercial Driver's License preferred

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Position Requirements
10+ Years work experience
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