Catalyzing a cleaner future

ESS is a globally recognized leader in sustainable energy storage and is consistently identified as one of the most innovative and exciting technology players in energy storage. Trading on the NYSE (GWH), ESS is poised to be one of the fastest growing energy technology companies in the world, with projects already across 4 continents. The ESS vision is about enabling the decarbonization of the grid by enabling us to achieve up to 100% of our electricity from clean, sustainable renewable energy.

These are ambitious goals, and we are pursuing them with passion. At ESS, we are leading the energy transition, creating the sustainable energy solutions of the future to help individuals, businesses and communities change energy into lasting value.

ESS is looking for a motivated and hard-working Senior Electrical Engineer to be the Technical Team lead for our growing Product engineering electrical design team, reporting to the Director of Engineering. This role is responsible for providing technical leadership over the hardware development, reliability analysis, and testing for our line of iron flow battery products.

Key Responsibilities

The role includes technical leadership for a team of electrical engineers developing iron flow batteries:

• Mentor and guide more junior members of the team
• Work with the Director of Engineering and project management office to plan the work, set priorities, and manage deliverables within budgets
• Provide support to assigned staff on technical and administrative issues
• Maintain an understanding of project schedules, status and technical issues. Review all designs during the product development process.
• Lead cross-functional projects
• Engage with customers to resolve technical questions and RFIs
• Manage engineering contracts with third parties including PCBA production

• Oversee electrical system design and architecture inclusive of low voltage analog circuit design, grounding techniques, feedback and control theory, filtering, noise reduction techniques, EMI, and embedded controller design.

• Lead detailed engineering analysis such as circuit power draw, voltage protection, over-current protection, thermal load, cycle life, and component level FMEAs
• Drive product development including requirements generation, design for manufacturing, test and validation, and change control processes.
• Ensure design compliance with all codes and standards, including but not limited to NEC and UL9540
• Lead troubleshooting and debugging of the product electrical systems

What you bring to the table

• A Bachelor’s degree in Electrical Engineering.
• Demonstrated leadership experience of 3+ years over teams of 4-8 engineers
• Management of budgets and schedules
• 8+ years of industry experience in product development, with a strong preference for battery systems, energy storage or renewable energy experience.

• Background in electronics development, fabrication, and assembly processes, and good analytical problem-solving skills
• Experience designing, using, and troubleshooting industrial controls and serial communication protocols
• Foundational knowledge of embedded systems, high voltage isolation, and power conversion switching circuit designs

• Strong oral and written communication, interpersonal, problem solving and analytical skills.
• Knowledge of high voltage (> 400 volts) electrical power system design.

Benefits of working at ESS

In addition to the value of working with and helping grow a global reaching clean technology, ESS offers a Company assisted medical, dental and vision care, flexible spending account, 8 paid holidays, 401K with company match, a competitive PTO accrual, and approved PPE reimbursement.

As an equal opportunity employer, we are open to considering every qualified candidate who is eligible and legally authorized to work in the United States on a full or part-time basis, without a need for sponsorship.

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

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