Mechanical Engineer at Energy Storage Systems
Wilsonville, OR, US

Company Profile


Energy Storage Systems (ESS) is a fast-growing, clean technology company, located in

Wilsonville, OR. ESS has developed an advanced flow battery technology for

commercial, industrial, and utility applications. With a team that boasts decades of

experience in distributed power generation and energy storage technologies, ESS has

developed an extremely cost-effective energy management system that combines a

safe, abundant and non-toxic iron electrolyte with our patented flow cell design. This

combination of high performance with low cost means that ESS’s technology is ideally

suited for applications that range in size from retail energy management to utility-scale

renewables integration.


Position Profile


The Mechanical Engineer will focus on the packaging of ESS’ 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. Candidates with knowledge of large and complex industrial products,

containerized manufacturing & transport are highly desired. Experience in battery, fuel

cell technologies or power generation systems are helpful.

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.




§ Product development through research, design and evaluation of mechanical

systems and processes utilizing engineering principles.

§ Design, develop, analyze and document process designs which meet the cost,

reliability, manufacturability and safety requirements (P&ID, Functional

Requirements, etc)

§ Utilize 3-D CAD system, AutoDesk Inventor, to prepare detailed drawings of

multiple views and apply mathematics and physics to compute load capacities,

dimensions, material usage and Bills of Materials (BOMs).

§ 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.

§ Conduct research to test or analyze the design, operation and performance of


§ Ensure engineering design and standards documentation is complete, accurate

and sufficient in support of manufacturing and quality assurance activities, and

compliant with customer specifications and regulations.

§ Performs other related duties as assigned for the purpose of ensuring the

efficient and effective functioning of the project team.

§ Interface with and provide product specifications to suppliers.




§ BS Engineering in Mechanical Engineering. MS preferred

§ 3 years’ experience in a Mechanical Engineering Design

§ Proven proficiency in 2-D & 3-D CAD systems (i.e. AutoCAD & SolidWorks) for

design, documentation and fabrication.

§ Must be comfortable with Thermodynamics, fluid flow and structural analysis

§ Must be a "self-starter" and follow tasks through to completion with little


§ 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 commercializing new technologies in a production environment is


§ Must have an in-depth understanding and application of quality principles,

concepts, practices, and standards. (ASME 14.5)

§ Strong communication and presentation skills, affable, and demonstrated

maturity and professionalism

§ Able to work in a cross-functional and geographically dispersed team


§ Experience interacting with Lab and Engineering operations.

§ Experience commercializing new technologies in a production environment is


§ U.S. Citizenship or permanent residency required.