Director, Electrical Systems Engineering
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 Director, Electrical Systems Engineering oversees a team responsible for battery systems electrical design, power electronics integration, safety, validation, and cross‑functional collaboration with software, electronics, testing, manufacturing engineering, projects and field services groups.
Responsibilities
- Lead the development and execution of electrical system design strategies, working cross functionally with embedded engineering, electronics, manufacturing engineering, projects and field teams
- Direct the development of mathematical / simulation models for power converters, switching devices, protection circuits, and system‑level energy flows
- Conduct electrical simulations (PSCAD, PSSE, PLECS, MATLAB/Simulink etc.) to validate system behavior, transient response, and fault‑handling performance.
- Establish modelling standards, simulation methodologies, and verification frameworks to ensure accuracy, repeatability, and traceability across engineering teams and across projects.
- Support hardware-in-the-loop system testing (custom, RTDS, Typhoon etc.) of battery electrical systems
- Work closely with the Electronics team to define requirements and designs for system electrical power and communication components.
- Define requirements for surge, ESD, transient immunity, and protection coordination across the entire electrical system.
- Own the electrical system design roadmap for current and future battery systems
- Guide concept development, requirements definition, DFMEA, and design reviews.
- Oversee prototype builds, validation testing, and design-for-manufacturability.
- Build and mentor a high‑performance team of electrical system and modeling engineers with deep technical specialization.
Knowledge, Skill, and Abilities
- Advanced knowledge of high voltage DC systems, power conversion topologies, and grid‑connected inverter behavior
- Advanced knowledge of BMS architecture and algorithms, including SOC/SOH estimation, cell balancing, fault detection, and prognostics
- Advanced knowledge of power systems modeling and simulation, with deep expertise in SPICE, PLECS, MATLAB/Simulink, and multi‑domain co‑simulation
- Proven track record of delivering complex electrical systems from concept through production.
- Strong understanding of protection strategies, transient behavior, and fault‑tolerant design.
- Exceptional communication, leadership, and cross‑functional collaboration skills.
Education and Experience
- Bachelor's degree in electrical or electronics engineering required
- Master's degree in electrical or electronics engineering preferred
- 10+ years of experience in electrical or power electronics engineering, with at least 8 years in a leadership role.
Travel
- Local Travel: 10-25%
- Overnight/North America: 10-25%
- Other International Travel
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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About the role
June 16, 2026
Full time
Company
- Edison, United States
10+ years in electrical or power electronics engineering, with at least 8 years in a leadership role.
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