Engineering Technician

Number of employees

20

Middleton, MA, USA

Posted on: 2026-03-02

Category: renewables

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Employment type:

Full time

Experience required:

Intermediate

Salary

Salary not provided

About the company:

Fourth Power is a thermal battery energy storage company. Our technology makes renewable energy an on-demand energy source through utility-scale thermal storage. We can harness today’s wasted wind and solar production to respond to grid needs at a cost competitive with fossil fuels.

Our modular battery can provide 5 to 10 hours of storage to meet needs now and scale with renewable deployment for needs up to 100 hours and any increment in between. With the ability to provide short- and long-duration energy storage (LDES), we can start small and grow with the grid to save consumers money and ensure a clean energy future.

Engineering Technician, Operations

Fourth Power is developing and commercializing the lowest cost energy storage technology on the market to enable the utility grid to operate 24/7/365 on renewable energy. Our batteries store heat in low-cost carbon blocks at up to 2400 degrees Celsius – half the temperature of the sun. The batteries then convert this heat back to electricity using thermophotovoltaics (TPV) on demand.

Fourth Power has a culture of teamwork, continuous innovation based on first principles, and relentlessness in tackling challenging problems. Fourth Power is looking for highly skilled, experienced, and motivated individuals who share our passion for mitigating climate change.

Job Description

We are seeking an Engineering Technician to join the Fourth Power Operations team. You will be responsible for building, operating, and maintaining Fourth Power’s development systems.

Your Role

  • Execute machining, fabrication, and assembly tasks with direction from project engineers. Tasks may include fabricating parts, assembling extrusion or unistrut structures, connecting piping, and wiring instrumentation.

  • Document procedures into repeatable, quality, standard operating procedures.

  • Set up, operate, and break down experiments with direction of project engineers.

  • Support engineering activities by receiving and putting away materials, maintaining workshop space, maintaining shared tools, and maintaining equipment.

Qualifications

  • 5 or more years of experience in industrial equipment maintenance, mechanical assembly, or construction.

  • Proficiency in a machine shop with manual and semi-automated machines such as lathes, mills, drill presses, etc.

  • Proficiency with hand tools such as wrenches, screwdrivers, calipers, handsaws, powered saws, etc.

  • Proficiency with Microsoft Excel, Microsoft Word, and Microsoft Outlook.

  • Experience writing procedures and other technical documentation.

  • Excellent organizational skills, attention to detail, and ability to work independently in a fast-paced environment.

  • Strong communication skills to collaborate with fellow engineers and technicians.

  • Ability to move boxes weighing up to 25lbs regularly.

This is a full-time on-site, hourly (non-exempt) role with opportunity for overtime.

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