Hands-On Lithium Battery Product Engineer Intern

East Penn Manufacturing Company, Inc.; Ann Arbor (MI); On-site; USD 20,664 - 34,440; Full time

Job summary

Navitas Systems LLC, a leader in energy storage solutions, seeks a Product Engineering Intern for Fall 2026 at our Ann Arbor, MI site. You will support development and manufacturing of lithium-ion battery modules, gaining hands-on experience in design, validation, and cross-functional collaboration.

You will work with engineering, quality, and manufacturing teams to improve performance and reliability, analyze data, and document BOMs, drawings, and test plans.

Qualifications

• Currently pursuing a Bachelor's or Master’s degree in Mechanical or Electrical Engineering or related field.
• Must be a US Citizen or hold a valid green card.
• Strong analytical and problem-solving skills.
• Basic understanding of lithium-ion battery fundamentals (electrochemistry, thermal management, BMS concepts).
• Proficiency in Microsoft Excel; experience with data analysis tools (MATLAB, Python) preferred.
• Familiarity with CAD software (SolidWorks, NX, or similar) is a plus.
• Strong written and verbal communication skills.
• Ability to work on-site in Ann Arbor, MI.

Responsibilities

• Support design, validation, and release of lithium-ion battery modules and pack components.
• Assist in conducting performance testing, validation testing, and failure analysis of battery cells and systems.
• Analyze test data using tools such as Excel, MATLAB, or Python to identify trends and recommend improvements.
• Collaborate with manufacturing engineering to resolve production issues and implement process improvements.
• Create and maintain engineering documentation, including BOMs, drawings, test plans, and reports.
• Participate in root cause analysis (RCA) and corrective action initiatives.
• Support prototype builds and pilot production runs.
• Assist in DFMEA, PFMEA, and design reviews.
• Ensure compliance with safety and regulatory standards related to lithium-ion battery systems.

Skills

Analytical skills

Problem solving

Excel proficiency

MATLAB

Python

CAD software

Communication skills

On-site work

Education

Bachelor's or Master’s degree in Mechanical or Electrical Engineering

Tools

CAD software (SolidWorks/NX)

Job description

Navitas Systems LLC, a leader in energy storage solutions, seeks a Product Engineering Intern for Fall 2026 at our Ann Arbor, MI site. You will support development and manufacturing of lithium-ion battery modules, gaining hands-on experience in design, validation, and cross-functional collaboration.

You will work with engineering, quality, and manufacturing teams to improve performance and reliability, analyze data, and document BOMs, drawings, and test plans.