Applications Engineer
Eos Energy Enterprises
Company Overview
Eos Energy Enterprises, Inc.
HeadquartersEdison, NJ, United States
Founded2008
SizeApproximately 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.
The Applications Engineer is responsible for translating customer requirements received from Eos sales team members and developing technical solutions that are incorporated into technical proposals. The successful candidate must demonstrate and articulate the ability to evaluate customer requirements, market dynamics, energy loads, and use cases to align Eos' value proposition, as well as third-party equipment capabilities, to configure BESS deployment strategies. The Applications Engineer will also provide application-specific and systems integration expertise to facilitate deal development and contract negotiations.
Responsibilities
- Analyze customer requirements and develop tailored energy infrastructure solutions encompassing all key system components, including batteries, Battery Management Systems (BMS), inverters, transformers, protection systems, EMS and SCADA
- Provide technical solutions and market knowledge across utility-scale, commercial and industrial (C&I), telecommunications, and utility markets.
- Articulate Eos benefits of a safe, low-cost, long-lasting energy storage solution for customer requirements including peak shifting/shaving, long duration dispatch, ancillary services, micro-grid systems and renewable firming/smoothing.
- Partner closely with Sales and internal technical teams to prepare technical responses to customer RFQ / RFPs.
- Ensure a successful and appropriate handover of customer orders to project management.
- Obtain feedback on product performance, quality, documentation, and overall customer satisfaction, and relay findings to internal technical teams
- Support conversion of pipeline into revenue by fostering technical champions at key accounts while maintaining consistent support of overall market.
- Utilize procedures, tools, and best practices to enable the technical pre-sales organization to scale effectively.
- Monitor industry trends, emerging technologies, and competitive developments in the energy storage market, providing regional and global insights and maintaining competitive intelligence on leading battery technologies and solution providers.
- Assist with product manuals and data sheets as needed.
- Develop layouts, orchestrate third party vendor quotes and technical supplements
- Deliver strategic thought to position Eos product and system design in the most competitive way to improve likelihood of success.
Education/Experience
- Bachelor's degree in electrical engineering required
- 5 years of experience in energy storage or related electrical infrastructure required
- Full storage system design, implementation, construction and commissioning preferred
Skills/Abilities
- Technical expertise in the energy infrastructure market space.
- Electrical engineering background and strong understanding of battery technologies available in the market and their main technical/commercial differentiators.
- Working knowledge of DraftSight strongly preferred
- Strong understanding of distributed and utility scale energy infrastructure market space, relevant customers, and different technology providers.
- Strong and effective communication, interpersonal and analytic skills.
- Aggressive time management and the ability to work to a deadline
- Ability to elaborate technical evaluation in energy infrastructure applications.
- Strong compliance culture, passioned in technical aspects, and self-motivated
- Fluent English (written and spoken).
Travel
- Local Travel
- Overnight/North America Travel: 10-25%
Working Conditions
Office Environment - Must be able to remain in a stationary position 50% of the time and occasionally move about inside the office to access file cabinets, office machinery, etc. 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. May be required to exert up to 25 pounds of force occasionally to lift, carry, push, pull or otherwise move objects, including the human body.
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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Apply now
Job expired?Please let Eos Energy Enterprises know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.
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About the role
August 18, 2026
August 18, 2026
Full time
Flexible
Company
- Florida, United States
- New Jersey, United States
- Texas, United States
- Pennsylvania, United States
- Edison, United States
5 years in energy storage or related electrical infrastructure
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