Mechanical Engineer

SES AI Corporation is an advanced battery technology company headquartered in Boston, Massachusetts, focused on developing lithium-metal (Li-Metal) and lithium-ion (Li-ion) battery solutions for electric transportation and energy storage applications. The company operates three core business units: Drones, which supplies high-energy and high-power density NDAA-compliant cells for drones, urban air mobility, and robotics; ESS (Energy Storage Systems), which provides integrated hardware and software solutions for data centers and commercial and industrial customers; and Materials, which leverages AI-driven discovery to supply next-generation battery materials. Central to its operations is the Molecular Universe platform, an AI-for-Science SaaS platform that powers material discovery, battery management, and workflow automation across all business units.

Mechanical Engineer

 

Responsibilities

• Responsible for the analysis and evaluation of power battery cell selection, structural materials and product structure design scheme according to customer SOR

• Responsible for the schematic design of power battery PACK battery system and modules, detailed design of 3D digital model and 2D drawings

• Responsible for the safety and reliability design of power battery PACK battery system and module level

• Systematically analyzed the problems found in trial production, mass production and user feedback, and put forward improvement suggestions

• Responsible for sample sending and making, processing progress tracking, sample confirmation, etc.

• Responsible for testing and verification of Pack system and parts, design optimization according to regulations or customer requirements, and structural improvement for mass production

• Prepare design specifications and patents

 

Qualifications

• Bachelor’s degree or above, major in electrochemistry, Vehicle engineering, Mechatronics, polymer materials, Electrical engineering, automation, etc

• More than 3 years of experience in power battery PACK structure design, experience in product G&D drawing, dimension chain analysis, ability to independently design pack battery system structure, independent structural strength simulation ability is preferred

• Experience in composite material structure design and structural airworthiness verification of aircraft is preferred

• Familiar with battery electrical related professional knowledge, battery selection and testing experience is preferred

• Familiar with the characteristics and application range of metal materials and plastic materials, proficient in injection molding process, sheet metal processing process, surface treatment, etc., skilled in Solidworks, CATIA, UG and other design software

• Able to read and write in English

• Work hard, careful and rigorous, have a sense of responsibility and good team spirit