Sr Cell Engineer

Milwaukee Tool•Brookfield, MT

About The Position

A Sr. Battery Cell Engineer leads cell development and testing in support of a global Li-Ion battery business, including new product development, technology development, warranty analysis, and supplier quality management. The role develops cell specifications, supports supplier qualifications and advanced quality initiatives, executes new product development projects, contributes to technology roadmaps, and performs cell testing and analysis. It works collaboratively with marketing, project management, quality, electrical and mechanical engineering, agency and safety teams, and global manufacturing operations. The engineer performs analytical services such as TGA/DSC polymer analysis, GC-MS electrolyte analysis, SEM/EDS particle analysis, visual image capture, cell subsystem testing, and live cell teardown analysis. The role drives product performance across the cell supply base by defining next-generation cell specifications, critiquing supplier designs and processes, and advancing strategic corrective actions and continuous improvements. It also supports negotiations and relationship management with cell suppliers on qualification, critical quality issues, and product roadmaps, and maintains an organizational archive of product specifications, performance data, and product information.

Requirements

Bachelor of Science degree in chemistry, chemical engineering, or a related field.
At least 5 years of experience in battery or charging system design, or related work experience.
Strong understanding of Li-Ion battery system design, test methods, controls, and architectures.
Excellent problem-solving skills, independent judgment, and ability to work well under pressure in a dynamic environment.
Ability to travel 10% of the time domestically and internationally.

Nice To Haves

Master's degree in chemistry, electrochemistry, or a similar field (the posting describes this as required under preferred qualifications).
Knowledge of materials used in the lithium-ion cell industry, including cathode, anode, and separator materials.
Experience with SEM/EDS, TGA/DSC, GC-MS, XRD, FTIR, EIS, glovebox, cycle life testers, and abuse testing.
Knowledge of emerging battery chemistries.
Self-motivation and a continuous-improvement attitude.
Passion for driving cell development efforts with suppliers.
Ability to travel up to 10% domestically and internationally.

Responsibilities

Lead cell development and testing for new product development, technology development, warranty analysis, and supplier quality management.
Develop cell specifications and support supplier qualifications.
Execute new product development projects and support technology roadmaps and advanced quality initiatives.
Perform cell testing and analysis, including TGA/DSC polymer analysis, GC-MS electrolyte analysis, SEM/EDS particle analysis, visual image capture, cell subsystem testing, and live cell teardown analysis.
Define next-generation cell specifications, critique supplier designs and processes, and drive corrective actions and continuous improvements to improve product performance.
Support negotiations and manage relationships with cell suppliers regarding qualification, critical quality issues, and product roadmaps.
Establish and maintain an archive of product specifications, performance data, and product information for organizational use.
Collaborate with marketing, project management, quality, electrical engineering, mechanical engineering, agency and safety teams, and global manufacturing operations.