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 seeking a dynamic Mechanical Engineer with a strong background in thermodynamics, fluid flow, structural analysis, and design for manufacturability. The role will focus on the packaging of ESS’ advanced battery technology to ensure reliability, cost, efficiency, and manufacturability. The successful candidate will have the ability to manage multiple projects, communicate cross functionally in a fast-paced environment, and be comfortable with a mixture of hands-on and design work. Candidates with knowledge of large and complex industrial products, experience working on NPI projects, and an interest in establishing and improving engineering processes is a plus.

Primary Responsibilities

• Product development through research, design and evaluation of mechanical systems and processes utilizing engineering principles
• Design, analyze, and compare various design concepts using engineering principles, cost modeling, and reliability modeling.
• Lead technical reviews of the development and documentation of mechanical, fluid, and thermal systems to establish the system design.
• Develop updates and redesigns of existing processes and related equipment that are feasible to manufacture or modify; accompanied by analysis, supporting information and recommendations.
• Actively communicate specific work requirements or needs to internal functions, such as purchasing and manufacturing to ensure expectations are understood as defined by engineering specifications.
• Design, develop, analyze, and document process designs which meet cost, reliability, manufacturability, and safety requirements (P&ID, Functional Requirements, etc.).
• Interface with suppliers, manufacturing, sales, and marketing in the product development process. Including leading DFM discussions.
• Utilize 3‐D CAD system, AutoDesk Inventor, to prepare models, assemblies, detailed part drawings, Bills of Materials (BOMs), and assembly drawings for both in-house and outsourced manufacturing. Experience with the Tube and Pipe module is a plus.
• Conduct testing to analyze the design, operation, and performance of equipment. This includes writing test plans, conducting the test, and documenting/presenting results.
• Prepare performance requirements for equipment and systems.
• Performs other related duties as assigned for the purpose of ensuring the efficient and effective functioning of the project team.
• Work full time on-site and be comfortable interacting with the on-site manufacturing floor.

Proficiencies, Skills & Experience

• Must be comfortable with thermodynamics, pipe flow analysis, and structural analysis.
• Must be a "self‐starter" and follow tasks through to completion with little guidance.
• Must be able to work in a team environment to collectively solve problems.
• Must be able to multi‐task several projects and prioritize workload to meet business specific deadlines.
• Experience in packaging assemblies.
• Comfortable in fast-paced, collaborative work environment.
• Experience in new-product technologies introduction and scale to manufacturing.
• Experience commercializing new products in a production environment is preferred.
• Able to work in a cross-functional and geographically dispersed team environment.
• Strong communication and presentation skills, affable, with demonstrated maturity and professionalism.
• Experience interacting with lab, engineering, and manufacturing operations.
• Experience in battery, fuel cell technologies, chemical plants, or power generation systems.

Requirements & Qualifications

• BS Engineering in Mechanical Engineering.
• 3 years’ experience in a Mechanical Engineering Design role.
• Proven proficiency in 2‐D & 3‐D CAD systems (i.e. AutoCAD & SolidWorks) for design, documentation and fabrication.
• Must have an in-depth understanding and application of quality principles, concepts, practices, and standards. (ASME 14.5).
• Experience with ASME B31.3 is a plus.
• Legally authorized, U.S. Citizenship or permanent residency.
• 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.

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 Health insurance, Approved PPE Reimbursement, Medical & Dental; Flex spending account; 8 paid holidays; 401K, and a competitive PTO accrual.

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.