Mechanical & Thermal Battery Test Engineer

General Summary:
We are seeking a highly motivated Mechanical & Thermal Battery Test Engineer to develop and implement methodologies for characterizing the mechanical and thermal performance of battery materials, cells, modules, and battery system components. The successful candidate will play a key role in defining test strategies, validating battery designs, and generating data-driven insights to support product development and safety compliance.

Function: Mechanical & Thermal Battery Test Engineer

Principal Duties and Responsibilities:

• Develop and validate test methodologies for evaluating the mechanical, thermal, and reliability performance of battery materials, components, cells, and modules.
• Design and establish test protocols, procedures, and validation standards for battery-level performance assessment.
• Plan and execute mechanical abuse, thermal, environmental, and durability testing programs.
• Collaborate with internal engineering teams to define test objectives, acceptance criteria, and validation requirements.
• Work with external laboratories and testing partners to address capability gaps and establish new testing methods.
• Ensure compliance with applicable industry standards and safety regulations for battery testing.
• Analyze test data, identify failure mechanisms, and provide technical recommendations to make an informed engineering decision
• Prepare comprehensive test reports and present findings to engineering and program teams.
• Support root cause investigations and correlation of physical test results with simulation and analytical models.

Knowledge, Skills, and Ability:
Required:

• MS in Mechanical Engineering, Thermal Engineering, Materials Engineering, or a related discipline with 3+ years of experience, or BS with 5+ years of relevant experience.
• Proven experience in developing mechanical and thermal characterization methodologies for lithium-ion batteries, battery cells, modules, or packs.
• Strong understanding of battery reliability, safety, and performance testing.
• Strong experience with battery testing standards and best practices (UL, IEC, SAE, ISO, UN38.3, etc.).
• Knowledge of instrumentation, sensors, thermocouples, strain gauges, data acquisition systems, and test automation.
• Strong analytical and problem-solving skills with experience interpreting test data and failure modes.
• Excellent technical documentation and communication skills.
• Experience working with accredited third-party test laboratories.
• Collaborate with testing technicians to ensure proper execution of test plans
• Knowledge of statistical data analysis and reliability engineering techniques.

Working Conditions:
This position primarily works in an engineering office environment, with collaboration across customer engineering, product, and project teams. Limited travel may be required based on project needs.