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Eos Energy Enterprises

Technician Sr, Field Service

Become a Sr. Field Service Technician with Eos Energy Enterprises in Edison, US. This role involves installing, commissioning, and supporting energy storage systems. Enjoy the opportunity to work with cutting-edge technology and travel extensively.
Eos Energy Enterprises
Eos Energy Enterprises
Edison, United States   Remote   Full Time  UTC-05:00

Eos Energy Enterprises

Company Overview

Eos Energy Enterprises, Inc.

Edison, NJ, United States

2008

Approximately 430 employees (source: stockanalysis.com).

What They Do

Eos Energy Enterprises specializes in developing innovative zinc-powered battery energy storage systems (BESS), particularly their proprietary Znyth® aqueous zinc battery technology. This technology is designed for long-duration energy storage, offering discharge durations ranging from 3 to 12 hours, which provides a viable alternative to traditional lithium-ion and lead-acid batteries. The company emphasizes safety, scalability, and efficiency, with a 20-year useful life for its products, all manufactured in the U.S. (source: stockanalysis.com). Their product lineup includes the Z3 battery module, battery management systems for remote monitoring, and comprehensive project management services, catering to utility-scale, microgrid, and commercial applications to address grid complexity and renewable energy intermittency (source: eose.com). Target markets include utilities, independent power producers, and commercial customers, with a focus on integrating renewable energy sources like solar and wind into their systems (source: mapquest.com). Eos differentiates itself through its non-flammable zinc chemistry, positioning against competitors such as ESS Inc. and Form Energy, and aims to enhance grid stability through long-duration storage solutions (source: dcfmodeling.com).

Projects & Track Record

Eos Energy Enterprises has made significant strides in the energy storage sector, with notable projects including the first commercial shipments of its Znyth® technology in 2017, marking a successful transition from research and development to market entry (source: dcfmodeling.com). A key project involved a $20 million order from EnerSmart for a 9MWh installation in El Cajon, California, aimed at enhancing grid stability and scheduled for deployment in Q4 2021 (source: eose.com). Ongoing projects include a commitment to deliver between 90MWh and 180MWh of Znyth®-powered storage across multiple locations in California, reflecting the growing demand for long-duration energy solutions (source: eose.com). The expansion of their Turtle Creek manufacturing facility is crucial for scaling production to meet these demands and support future growth (source: dcfmodeling.com). Key clients include EnerSmart, which focuses on utility-scale projects, and partnerships are being developed to enhance supply chain efficiency and installation speed (source: eose.com).

Recent Developments

In recent years, Eos Energy Enterprises secured its largest order to date, a $20 million contract from EnerSmart for energy storage solutions, underscoring the increasing demand for their technology in California (source: eose.com). The company has also aggressively expanded its manufacturing capabilities at the Turtle Creek facility, transitioning to high-volume production following its public listing in 2020 (source: dcfmodeling.com). While no specific acquisitions or mergers have been reported since the SPAC merger, the EnerSmart deal represents a significant commercial milestone for Eos, highlighting its growth trajectory in the energy storage market (source: eose.com).

Working There

Eos Energy Enterprises offers a diverse range of roles across various departments, including engineering, product management, sales, marketing, operations, finance, and HR. The company actively recruits talent for positions in software development, infrastructure, and storage systems, with a focus on fostering innovation and collaboration within its teams (source: salestools.io). Most hiring occurs at the Edison headquarters, which is designed to support growth and innovation, as well as at the Turtle Creek manufacturing sites (source: eose.com). Eos promotes a company culture centered on continuous learning, employee well-being, and teamwork, with amenities that include open-plan offices, collaboration spaces, and fitness centers to enhance the work environment (source: salestools.io). While specific benefits such as health plans or PTO are not detailed, the company positions itself as a place where employees can make a positive impact through their work in clean energy (source: salestools.io).

Contact


Last updated on 2025-12-26 | Report an issue

Eos Energy Enterprises, Inc. is accelerating the shift to American energy independence with positively ingenious solutions that transform how the world stores power. Our breakthrough Znyth™ aqueous zinc battery was designed to overcome the limitations of conventional lithium-ion technology. It is safe, scalable, efficient, sustainable, manufactured in the U.S., and the core of our innovative systems that today provides utility, industrial, and commercial customers with a proven, reliable energy storage alternative for 3 to 12-hour applications. Eos was founded in 2008 and is headquartered in Edison, New Jersey. For more information about Eos (NASDAQ: EOSE), visit eose.com.

The Sr. Field Service Technician is accountable for system installation, commissioning, and customer support. Reviewing and resolving warranty claims and assisting customers with non-warranty issues. The technician is also responsible for supporting services and maintenance of existing systems.

Responsibilities

  • Install, commission, troubleshoot, repair and analyze Eos commercial BESS as well as third-party products sold by Eos in the field, remote via email, telephone and remote support tools (i.e. AR remote support tools), and site visits.
  • Utilize company provided Field Service and Work Order Management tools to retrieve and update information timely and accurately.
  • Write reports, train customers, and respond to customers' concerns regarding the functionality and performance of their system.
  • Develop detailed knowledge of Eos' commercial products and third-party products sold by Eos.
  • Acceptance & performance testing, troubleshooting, installation, startups, shutdowns, commissioning, and turnarounds of BESS.
  • On a regular base work with high voltage DC electricity, three phase power, and the relevant software of the BESS and third part products.
  • When needed, stand in as site lead. Be able to provide leadership & guidance to FSTs and 3rd party contractors.
  • Responsible for detailed reporting for Engineers & Managers such as daily site activities, equipment status, troubleshooting efforts, and performance output.
  • Ensure compliance with safety and operational protocols.
  • Other duties, responsibilities and activities may change or be assigned at any time with or without notice.

Knowledge, Skills, and Abilities

  • Ability to work independently, and proactively with minimal supervision and collaborate with Field Service Engineers.
  • Ability to communicate challenges in a forthright and accurate manner.
  • Solid Computer skills: Windows, Office, Programming (PLC, controls experience a plus).
  • Awareness of electrical, crane, forklift and construction work safety.
  • Understanding of DC Electrical systems and controls.
  • Knowledge using electrical voltage meters and electrical testing equipment.
  • Exceptional communication skills: ability to lead by example and through influence.
  • Ability to travel domestically and internationally and work at field installations up to 100% of working time for up to three weeks at a time.
  • Ability to work at great heights, work in extreme environments, perform prolonged periods of repetitious duties, lift at least 50 pounds frequently.
  • Attention to detail and high level of accuracy.
  • Knowledge of the National Electrical Code.

Education and Experience

  • High school diploma or equivalent required.
  • A minimum of three (3) years of (field) experience in Electrical/Electronics/Power electronics and or network communications is recommended.
  • Trade or vocational college focusing on electrical work/renewable energy/electronics preferred.
  • Prior experience in the renewable industry, preferable energy storage, is strongly preferred.
  • Experience in applied problem-solving methodology.
  • Electrical safety training, NFPA70E or similar.
  • Medium Voltage/ Substation experience is a plus.

Travel ​

  • 100% - Local Travel, Overnight/North America, International.

Working Conditions

  • Factory - The worker may be subject to hazards. Includes a variety of physical conditions, such as proximity to moving mechanical parts, vibration, moving vehicles, electrical current, exposure to temperature changes or exposure to chemicals. While performing the duties of this job, the employee may be exposed to fumes, airborne particles, odors, dust, mists, and gases. The noise level in the work environment can be loud. Required to have close visual acuity to perform an activity such as: preparing and analyzing data and figures; transcribing; viewing a computer terminal; extensive reading; visual inspection involving small defects, small parts, and/or operation of machines (including inspection); using measurement devices; and/or assembly or fabrication parts at distances close to the eyes. Machinery operation requires the use of safety equipment to include but not limited to eye safety glasses, hearing protectors, work boots, and lab coats. May be required to exert up to 50 pounds of force occasionally to lift, carry, push, pull or otherwise move objects, including the human body.
  • Customer/Partner Locations - Employee may visit customer or partner locations that may be comprised of office, manufacturing floor, laboratory environments and construction sites depending on the location and reason for visit.

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About the role

December 8, 2025

Full Time

Company

December 30, 2025

Remote

Eos Energy Enterprises

  •  Edison, United States

Minimum of three years in Electrical/Electronics/Power electronics or network communications.

UTC-05:00

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