Resident Electrical Engineer
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
Job Description
The Resident Electrical Engineer will report to the Director of Hardware Engineering and will work closely with the Hardware Engineering Manager to form the heart of the sustaining engineering group at our primary manufacturing location and be the primary gateway to the new product introduction (NPI) team. This role requires a candidate with strong Electrical Engineering & Manufacturing background. Good cross-functional communications skills are essential.
Accountable For
The Resident Electrical Engineer will play a central role in the support of ongoing production as well as the manufacturing introduction and testing of multiple generations of battery energy storage systems. They will provide support for ongoing production, including troubleshooting issues and implementing improvements. They will also work with design engineering and the manufacturing team to translate designs into manufacturable systems, guiding design for manufacturing and assembly activities as well as preparing factory assembly systems and procedures.
Responsibilities
- Supports ongoing manufacturing and new product introduction of battery energy storage systems
- Troubleshoots and supports development and implementation of test setups, processes, and procedures to ensure product quality in production
- Troubleshoots issues and coordinates feedback to resolve issues
- Serves as on-site liaison for manufacturing, operations, and quality teams
- Performs root cause analysis and implementation of corrective action
- Supports certification efforts for products under UL, CE, and other standard organizations when necessary
- Develops and executes test procedures and protocols for IPQC and factory acceptance testing
- Serves as adviser to design team on design for manufacturing & assembly
- Supports or leads Design Verification Testing effort of subcomponents or full product systems
- Supports Process Failure Mode & Effects Analysis (PFMEA) related to assembly of large DC systems
- Supports and drives the creation of product and manufacturing process documentation
- Interfaces with customers or suppliers as required in a technical expert role
- Work with team to complete and maintain documentation of all system assemblies, including generation of Bill of Material, Schematics, and SLDs for production transition
- Work with team to help set and implement new standards and processes
Knowledge, Skills, and Abilities
- Proficiency with reading and creating electrical drawings, schematics, and single-line diagrams using SolidWorks Electrical or DraftSight
- Proficiency with electrical measurement and test equipment, such as oscilloscopes, power supplies, DMMs, electronic loads, and function generators
- Familiarity with software development related to manufacturing, such as PLC programming and electrical test equipment programming a big plus
- Experience with complex systems and high voltage (1,500 VDC and 480 VAC)
- Experience in Automotive Industry Quality tools (FMEA, Control Plan, PPAP) as well as manufacturing methodologies (Lean, Six Sigma)
- Understanding of safety certifications standards, such as UL, CE and NFPA/NEC
- Experience with database management tools for both time series and relational database management (SQL, AWS, Redis, InfluxDB, DigitalOcean) nice to have
- Experience with high level software development and operating systems, such as Linux, Bash scripting, and various high-level languages nice to have
- Some background with component selection, wire sizing, clearance requirements and thermal design
- Ability to work in a fast-paced dynamic environment of a high-growth company
Education and Experience
- Bachelor's degree in electrical engineering required.
- Minimum of 2 years' experience.
Travel
- Overnight/North America: Less than 10%
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.
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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
June 23, 2026
Full time
Company
- East Pittsburgh, Pennsylvania, United States
Minimum of 2 years
UTC-05:00