Senior Engineer – Cell Development

What you will do:
This position is responsible for Cell development activities with respect to Li Ion, Na-Ion, UCap and other developing technologies with respect to Chemistry and Cell supplier identification and qualification.
This hybrid role will be required to work in Milwaukee, WI.

How you will do it:

• Investigate potential suppliers for Li Ion, Na Ion, UCaps keeping up to date on their product portfolios and technology roadmaps

• Evaluate Chemistry and Cell designs from potential suppliers

• Prepare test plans, monitor testing, and assist with testing of cells.

• Summarize and report on cell test data

• Perform cell teardowns with analytical analysis to document cell design and chemistry

• Contribute to the requirements analysis and validation planning activities specific to customer projects.

• Work closely with cross-functional teams to identify the appropriate cell to meet customer requirements

• Distill OEM system requirements into cell requirements

• Contribute to system development projects relating to sourced cells

• Supply necessary cell related information to system design teams

• Assist in developing relationships with suppliers to help generate understanding of their cell

• performance, quality, and business viability.

• Communicate cell requirements to suppliers

• Work with cell suppliers as needed to improve cell performance to meet requirements

• Analyze and report on test data from cell suppliers.

• Contribute to OEM technical discussions.

What we look for:

Requirements:

• BS/MS/PhD in Chemistry, Electrochemistry, Chemical Engineering, or Materials Science relevant to position description from accredited four-year college or university.

• 7 to 10 years of professional engineering experience in related field

• Experience with Li Ion, Na Ion and Super Capacitor cell chemistry and cell design required

Preferred:

• Experience with Li Ion, Na Ion and Super Capacitor cell manufacturing highly desired

• Knowledge of Analytical techniques used for the evaluation of various chemistry designs preferred
o GC-MS, ICP, TGA, DSC, FTIR, SEM EDX, BET

• Experience building small cells for materials evaluation preferred
o Coin cells, pouch cells, half cells, three electrode cells

• Knowledge of cell level DFMEA/PFMEA with respect to cell design and manufacturing preferred

• Experience working with OEM Automotive/Tier 1 highly desired

#LI-TD1

#LI-Hybrid

What you get:

• Medical, dental and vision care coverage and a 401(k) savings plan with company matching – all starting on date of hire

• Tuition reimbursement, perks, and discounts

• Parental and caregiver leave programs

• All the usual benefits such as paid time off, flexible spending, short-and long-term disability, basic life insurance, business travel insurance, and Employee Assistance Program

• Global market strength and worldwide market share leadership

• HQ location earns LEED certification for sustainability plus a full-service cafeteria and workout facility

• Clarios has been recognized as one of 2026's Most Ethical Companies by Ethisphere. This prestigious recognition marks the fourth consecutive year Clarios has received this distinction.

Who we are:
Clarios is the force behind the world’s most recognizable car battery brands, powering vehicles from leading automakers like Ford, General Motors, Toyota, Honda, and Nissan. With 18,000 employees worldwide, we develop, manufacture, and distribute energy storage solutions while recovering, recycling, and reusing up to 99% of battery materials—setting the standard for sustainability in our industry. At Clarios, we’re not just making batteries;

we’re shaping the future of sustainable transportation. Join our mission to innovate, push boundaries, and make a real impact. Discover your potential at Clarios—where your power meets endless possibilities.

Veterans/Military Spouses:
We value the leadership, adaptability, and technical expertise developed through military service. At Clarios, those capabilities thrive in an environment built on grit, ingenuity, and passion—where you can grow your career while helping to power progress worldwide. All qualified applicants will be considered without regard to protected characteristics.

Equal Employment Opportunity:

We recognize that…