Mechanical Engineer

Moonwatt is seeking a Mechanical Design Engineer to join our Energy Storage Systems (ESS) team in Europe. This role involves working on novel mechanical designs for our utility-scale sodium-ion energy storage systems (ESS). The Senior Mechanical Design Engineer will be responsible for designing mechanical systems and components, collaborating with design, analysis, manufacturing, and program teams.

Responsibilities:

  • Take strong ownership in the design of Moonwatt’s high voltage ESS system, from conceptual stage to final design, testing and manufacturing.

  • Use CAD software such as SolidWorks to develop 3D CAD models of equipment structures and internal component layouts.Perform FEA analysis to determine compliance to seismic requirements, shipping standards, and other mechanical requirements.

  • Perform thermal heat transfer analysis and simulation for thermal management of the battery system.

  • Develop and manage subsystem and component requirements.

  • Collaborate closely cross-functional teams, including electrical, controls, electronics, logistics and manufacturing teams and external parties such as suppliers or contract manufacturers.

  • Promote and participate in a culture of rapid prototyping and testing.

  • Foster a collaborative team spirit and a proactive attitude. No task is too big or too small.

Minimum Qualifications:

  • Master’s degree in Mechanical Engineering or a related field.

  • 5+ years of experience designing mechanical products

  • Strong fundamentals in mechanical and thermal engineering.

  • Extensive use of commercial CAD and PLM software. Familiarity with FEA and other common CAE practices.

  • Experience with the design and manufacturing of medium to high-volume products.

  • Hands-on prototyping, validation, and testing experience.

  • Passion for renewable energy, sustainability, and leveraging technology to drive positive environmental impact.

  • Willingness and ability to travel 20% of time

  • Eligibility to work in Europe.

Preferred Qualifications:

  • Experience with high voltage battery architecture development, or mechanical design of electrical power equipment such as power converters or control panels.

  • Experience in battery modeling, simulation, and testing.