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Field Service Engineer

Job in Hackensack, Bergen County, New Jersey, 07601, USA
Listing for: Eos Energy Enterprise
Full Time position
Listed on 2026-02-12
Job specializations:
  • Engineering
    Electrical Engineering, Systems Engineer, Field/Service Technician
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below
** About Eos Energy Enterprises
** 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 .The Field Service Engineer will lead the efforts to ensure Eos energy storage systems are installed, commissioned, and operating as designed both domestically and internationally. In addition, the Field Service Engineer provides customer support and training, and works closely with system integration and manufacturing engineering to improve operations and reliability of the system.
** Responsibilities
* ** Execute and ensure commissioning procedures and test protocols related to DC system and battery management system are followed and documented during commissioning.
* Collaborate with Systems Engineering to provide high level support onsite technical support.
* Create or revise system, customer-facing, and internal commissioning documentation.
* Perform testing on DC system and battery management system.
* Provide support for testing of complete system including BMS interface with AC system.
* Evaluate battery performance, including testing, of fielded systems.
* Collecting information and participate in root cause analysis and implementation of corrective action for any failures of fielded systems or components.
* Document test results, check lists and potential issues raising from commissioning or trouble shooting of systems.
* Execute handover of system Commissioning from project management team to warranty/service.
* Support System Integration team, testing and proving circuitry and protection related to the operation of large DC systems.
* Improving and optimizing aggregation and safety hardware.
* When needed, stand in as site lead.  Be able to provide leadership & guidance to FSTs, Sr. FSTs, and 3rd party contractors.
* 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 Leadership.
* 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
*** Associate's degree or equivalent experience (electronics, electrical general) required.
* Minimum of three (3) years’ experience in energy storage service and operations.
* Minimum of three (3) years’ experience in renewables service and operations.
* Experience in applied problem-solving methodology.
* Knowledge using data acquisition tools, data logging, metering, and electrical instrumentation.
* Electrical safety training, NFPA
70E or similar.
* Five (5) years' experience in renewables service and operations preferred.
* Medium Voltage/ Substation experience preferred.## Travel
* 100% - Local, Overnight/North America, International## Working Conditions
* Office Environment - Must be able…
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