Electrical Engineer I

Catalyzing a cleaner future. At ESS (NYSE: GWH), our mission is to accelerate global decarbonization by providing safe, sustainable, long-duration energy storage that powers people, communities, and businesses with clean, renewable energy anytime and anywhere it's needed. As more renewable energy is added to the grid, long- duration energy storage is essential to providing the reliability and resiliency we need when the sun is not shining and the wind is not blowing. Our technology uses earth-abundant iron, salt, and water to deliver environmentally safe solutions capable of providing up to 12 hours of flexible energy capacity for commercial and utility-scale energy storage applications. Established in 2011, ESS Inc. enables project developers, independent power producers, utilities, and other large energy users to deploy reliable, sustainable long-duration energy storage solutions. For more information visit ESS is hiring a motivated, hard-working Electrical Engineer I to join our team. This role will provide entry to mid-level design and support for product and R&D development projects. Focusing on industrial design in harsh environments requires deep knowledge and understanding of system maintenance, ease of construction, and multi-system interactions. This role operates semi-autonomously with a moderate level of supervision and will require strict adherence to safety, regulatory, and operational standards. Ability to work in a team environment is a must. Applicant must be comfortable working in a fast paced, dynamic work environment. What you'll do at ESS. Ownership ofdesign, modeling, specification, and testing of low to medium voltage industrial electrical equipment. Apply standard engineering knowledge, techniques, and formulae to create and interpret designs, calculations, drawings, sketches, and documents for a complex iron redox flow battery. Support the development of energy storage products by providing core knowledge in one or more of the following areas: AC power(3-phase power, power systems, protection systems, etc.) Electromechanical equipment (induction motors, actuators, VFDs, etc.) DC/DC or AC/DC power conversion(bidirectionalflow, power supplies, etc.) Industrial control systems(slice I/O,HMI,UL508/UL60947, NFPA 79,etc.) Sensors (thermistors, pressure transducers, pH probes, etc.) Develop, write, and perform system tests for debugging to determine design adjustments or modifications. Provide technical assistance to cross functional teams when electrical or general engineering problems arise. Perform technical review of designs and documents What you bring to the table. Minimum Requirements: AS Degree in Electrical Engineering or Electrical Engineering Technology Experience with reading electrical schematics and mechanical P&IDs Familiarity with the process of building control panels for machine automation Experience with Oscilloscopes, DMMs, Power Analyzers, Signal Generators etc. Familiarity with single and three phase power systems and power distribution systems Familiarity with power conversion equipment Familiarity with computer and micro-controller systems Capability to work on and around industrial power systems Proficiency troubleshooting electronics and electro-mechanical systems down to the component level Ability to work independently and proactively Good interpersonal and communication skills to work effectively with a small, dynamic team A strong commitment to quality and continuous improvement is required. Ability to follow written and verbal work instructions We'd love to see: Bachelor's degree in Electrical Engineering or Electrical Engineering Technology Experience building control panel Experience with battery or fuel cell systems Benefits of working at ESS. In addition to the value of working with and helping grow a global reaching clean technology, ESS offers Company assisted medical, dental and vision, 401k with Company match, Employee Stock Purchase Plan (ESPP), a generous flexible time off policy (FTO), and 8 paid holidays. 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 need for sponsorship.

Created: 2026-03-04