Eos Energy Enterprises

Electrolyte Specialist

Join Eos Energy Enterprises in East Pittsburgh, Pennsylvania as an Electrolyte Specialist. This role involves managing electrolyte inventory, maintaining equipment, and ensuring safety compliance in a cutting-edge energy storage facility. Benefit from working in a pioneering company focused on sustainable, American-made zinc battery technology with opportunities for skill development and team collaboration.

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).


Last updated on Feb 23, 2026 | 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.

Responsibilities

  • Physically receive and store full totes
  • Track incoming quality checks status, segregate inventory by status
  • Change empties for full at the fill station
  • Ensure new totes are recirculating mixed for 30 minutes minimum before feeding the fill station
  • Daily calibration of instrumentation associated with the feed and consumption of electrolyte and associated with the precise fill requirements of each battery
  • Maintain, repair, change out, and rebuild electrolyte pumps, valves, fittings, piping, electrical solenoid switches
  • Maintain a leak free fill station
  • Clean up spills in storage and at the fill station, dispose according to SDS and EHA standards - act as the site leader for large spill emergency action coordination
  • Ensure empty totes are completely empty - consolidate when necessary
  • Contact warehouse when empties need shipped
  • Physically ship empties
  • Track inventory levels, warn Supply Chain when approaching minimum on hand quantities
  • Perform spot checks on fill station
  • Complete Hazardous Waste Manifests according to RCRA and SARA Title III requirements, ensure all documentation is in compliance with EPA and OSHA standards, assist with shipping hazardous waste

Education and Experience

  • High school diploma or equivalent required.
  • Minimum of 2 years of experience required.
  • Training on Hazardous Material - HAZWOPPER, RCRA/DOT/SARA Title III, and Environmental procedures required - annual 80-hour refresher training is required
  • Must be able to lift to a maximum of 50 lbs. (occasionally)
  • Ability to work long hours (12-hour shifts)/ and weekends as scheduled
  • Must have the ability to work in a team environment
  • Operate within existing safety guidelines
  • High school diploma required
  • Demonstrated customer service excellence
  • Must have reliable transportation
  • Familiarity with ERP systems a plus
  • Forklift experience highly desired
  • Basic mechanical skill needed

​Travel

  • Local Travel

​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.

Additional Requirements

This job requires the ability to effectively communicate orally (and occasionally in writing) with co-workers and supervisors, and the ability to understand and quickly react to job-related oral and/or written directions, safety information, and communications (which are generally in English), as our manufacturing processes are constantly changing and evolving.

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About the role

April 5, 2026

Full time

Company

April 5, 2026

On-site

Energy Storage

Eos Energy Enterprises

eose.com

  •  East Pittsburgh, Pennsylvania, United States

Minimum of 2 years required

UTC-05:00