Mechanical & Thermal Battery Test Engineer

Wise Skulls LLC; Cupertino (CA); On-site; USD 100,000 - 160,000; Full time

Job summary

Wise Skulls LLC seeks a Mechanical & Thermal Battery Test Engineer to define and implement test methods for mechanical and thermal performance of battery materials, cells, modules, and systems. You will develop strategies, validate designs, and generate data-driven insights for product development and safety compliance.

The role involves collaboration with internal engineering, external labs, and suppliers to ensure robust testing, adherence to UL/IEC/ISO standards, and reliable data to support

Qualifications

• MS in Mechanical Engineering, Thermal Engineering, Materials Engineering, or related field.
• BS in Mechanical/Materials Engineering with 5+ years of relevant experience.

Responsibilities

• Develop and validate test methodologies for mechanical, thermal, and reliability performance of battery components.
• Plan and execute mechanical abuse, thermal, environmental, and durability testing programs.
• Collaborate with internal teams to define test objectives and acceptance criteria.
• Coordinate with external laboratories to address capability gaps and establish new testing methods.
• Ensure compliance with industry standards and safety regulations for battery testing.
• Analyze test data, identify failure mechanisms, and provide technical recommendations.
• Prepare comprehensive test reports and present findings to teams.
• Support root cause investigations and correlate results with simulations.

Skills

Battery mechanics testing

Thermal testing

Data analysis

Test automation

Documentation

Lab collaboration

Communication

Statistical analysis

Education

MS in Mechanical Engineering or related field

BS in Mechanical/related field with 5+ years experience

Tools

Instrumentation (thermocouples, strain gauges)

Data acquisition systems

Test equipment/standards knowledge

Job description

Hiring: Mechanical & Thermal Battery Test Engineer

Important

Visa: USC and GC

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.