Mechanical Engineer - Electromechanical

ESS Inc is seeking a Mechanical Engineer - Electromechanical in Wilsonville, OR, to drive product development in energy storage technology. The role involves mechanical and electrical system design, prototype testing, and project management. Candidates should have a BS in Mechanical or Electrical Engineering, 5+ years of design experience, and proficiency in CAD systems. A passion for sustainability and the ability to work in a team are essential.
Mechanical Engineer - Electromechanical




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 www.essinc.com.




ESS is seeking a dynamic Mechanical Engineer with a strong background in mechanical design, thermodynamics, electronics packaging, and structural analysis. The role will focus on the system design surrounding ESS’s advanced battery technology to ensure product life, cost, and efficiency. The successful candidate will have excellent project management skills and an ability to manage multiple projects effortlessly.




The ideal candidate will have a passion for sustainability and the environment, will thrive in a fast-paced entrepreneurial setting, be self-motivated, and have an interest in disruptive, cutting-edge technology.




What you’ll do at ESS.


Product development through research, design, and evaluation of mechanical and electrical systems
Design, build, and test prototypes to support system design activities
Develop performance models to optimize system efficiency and performance
Utilize 3‐D CAD system, Autodesk Inventor, to prepare detailed manufacturing drawings and Bills of Materials (BOMs)
Lead and provide technical design
Update and redesign existing system sand equipment to improve performance and manufacturability
Prepare performance requirements for equipment and systems
Review designs against UL, NFPA, NEC, and ASME codes
Interface with manufacturing, sales, and marketing across all stages of the product development and release process




Interface with and provide product specifications to suppliers and partners


What you bring to the table:


Minimum Requirements


BS in Mechanical or Electrical Engineering
5+years’ experience in an Engineering Design role
Proven proficiency in 2‐D & 3‐D CAD systems (i.e., AutoCAD & Autodesk Inventor) for design, documentation, and fabrication
Experience designing enclosures for electronics and electrical systems in hazardous and corrosive environments
Knowledge of IP and NEMA enclosure ratings
Experience with complex cable routing and management
Understanding of electrical schematics and P&ID’s
Ability to work in a cross-functional and geographically dispersed team environment
Strong communication and presentation skills, affable, with demonstrated maturity and professionalism
Self-starter who can follow tasks through to completion with little guidance
Ability to work in a team environment to collectively solve problems
Ability to multi‐task several projects and prioritize workload to meet business specific deadlines
Ability to lift 50 lbs. unassisted
Ability to follow job required Standards and Safety Protocols, per pre-defined processes
Must be able to wear Personal Protection Equipment according to OSHA rules and regulations


We’d love to see




Master’s degree in Mechanical or Electrical Engineering
Experience in new-product introduction and scale to manufacturing
Experience commercializing new products in a production environment
Experience with Autodesk Inventor Cable & Harness module (or equivalent)
Experience with UL, NFPA, and NEC requirements
Experience managing and working with third party engineering firms
Experience in battery, fuel cell technologies or power generation 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 plan, 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 a need for sponsorship.