Product Engineering: Materials Intern (Summer 2027)

Clarios; Milwaukee (WI); Hybrid; USD 25,000 - 30,000; Full time

Job summary

Clarios is offering a summer internship in the Milwaukee area for students pursuing chemical engineering, materials engineering, chemistry, or electrochemistry. You will join the Electrochemical Development Team to investigate raw materials for lead-acid battery production and to build and test 2-volt cells, analyzing data and presenting findings.

The role requires up to 40 hours/week during Summer 2027 in a hybrid setup with a quiet workspace, and you must be authorized to work in the US

Qualifications

• Currently enrolled as a full-time student at a U.S. college or university.
• Undegraduate degree in Chemical Engineering, Materials Engineering, Chemistry or Electrochemistry.
• Must be in the greater Milwaukee area in summer.
• Summer 2027 duration with up to 40 hours per week.
• Hybrid internship with quiet workspace; option to work in the office.
• Authorized to work in the US without sponsorship now or in the future.

Responsibilities

• Support Electrochemical Development Team by evaluating raw materials for lead-acid batteries.
• Build, test, monitor and teardown 2-volt test cells for material changes.
• Analyze test data and prepare engineering reports and data visualizations.
• Collaborate cross-functionally with systems engineering, procurement and supplier quality.
• Create lab procedures and test documentation.

Education

Undergraduate degree in Chemical Engineering, Materials Engineering, Chemistry, or Electrochemistry

Job description

What You Will Do

• Support the Electrochemical Development Team with investigating and evaluating raw materials for lead-acid battery production.
• Build, test, monitor, and teardown experimental 2-volt test cells trialing battery material changes.
• Analyze test data, and create engineering reports, presentations, and data visualizations to communicate findings.
• Work primarily with lead-acid batteries with exposure to other battery technologies (lithium-ion, sodium-ion, and super capacitors).
• Create lab procedures and test documentation.
• Collaborate cross-functionally with systems engineering, procurement, and supplier quality to launch material changes that best meet our customer requirements.

How You Will Do It

• Investigate 2-volt test cell performance data and material claims from suppliers.
• Review the differences between various raw materials from suppliers.
• Document test methods used and testing observations.
• Be present and engaged in a lab environment and follow all lab safety procedures and training.

What We Look For

• Currently enrolled as a full-time student at an accredited U.S. college or university
• Pursuing an undergraduate degree in Chemical Engineering, Materials Engineering, Chemistry, or Electrochemistry.
• Ability to be in the greater Milwaukee area in the summer.
• Duration: Summer 2027. Up to 40 hours per week.
• Working Arrangements: Hybrid internship – must have a quiet workspace away from interruptions, with the option to work in the office. Be able to maintain regular contact with the supervisor/team via virtual methods.
• PLEASE NOTE that applicants must be authorized to work for any employer in the US without the need for sponsorship, now or in the future.

What you get:

• 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 people come with a wealth of experience and talent beyond just the technical requirements of a job.

If your experience is close to what you see listed here, please apply.

Diversity of experience and skills combined with passion is key to challenging the status quo.

Therefore, we encourage people from all backgrounds to apply to our positions.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, status as a protected veteran or other protected characteristics protected by law.

As a federal contractor, we are committed to not discriminating against any applicant or employee based on these protected statuses.

We will also take affirmative action to ensure equal employment opportunities.

Please let us know if you require accommodations during the interview process by emailing [e-mail].

We are an Equal Opportunity Employer and value diversity in our teams in terms of work experience, area of expertise, and all characteristics protected by laws in the countries where we operate.

For more information on our commitment to sustainability, diversity, and equal opportunity, please read our latest report.

We want you to know your rights because EEO is the law.