Mechanical & Thermal Battery Test Engineer

Infowaysolutions; Cupertino (CA); On-site; USD 110,000 - 150,000; Full time

Job summary

Infowaysolutions in Cupertino, CA is seeking a Mechanical & Thermal Battery Test Engineer to develop and implement methodologies for characterizing battery materials, cells, and modules. The role focuses on validating designs, defining test strategies, and delivering data-driven insights for safety and performance compliance.

The successful candidate will design test protocols, plan mechanical abuse and thermal tests, and work with external labs to close capability gaps.

Qualifications

• MS in Mechanical Engineering, Thermal Engineering, Materials Engineering, or related field with 3+ years experience, or BS with 5+ years experience.
• Experience developing mechanical and thermal characterization methodologies for lithium-ion batteries, cells, modules, or packs.
• Strong understanding of battery reliability, safety, and performance testing.
• Familiarity with battery testing standards (UL, IEC, SAE, ISO, UN38.3).
• Knowledge of instrumentation, sensors, thermocouples, strain gauges, data acquisition systems, and test automation.

Responsibilities

• Develop and validate test methodologies for mechanical, thermal, and reliability performance of battery materials, components, cells, and modules.
• Design 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 support engineering decisions.
• 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.

Skills

Battery test methodology development

Mechanical & thermal testing

Data analysis & interpretation

Test instrumentation & sensors

Reliability engineering

Test standards knowledge (UL, IEC, SAE

Report writing & communication

Collaboration with labs/teams

Statistical data analysis

Education

MS in Mechanical Engineering

BS with 5+ years experience

Tools

Data acquisition systems

Thermocouples & strain gauges

Test automation software

Job description

Job Description: Mechanical & Thermal Battery Test Engineer

Work Location: Cupertino, California (Onsite)

Function: Mechanical & Thermal Battery Test Engineer

Domain: Consumer Electronic Products

Number of Positions: One

Remote Allowed: No

Starting Date: 1st November 2026

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.

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.

Disclaimer

The above is intended to describe the general content of and requirements for the performance of this job. It is not to be construed as an exhaustive statement of duties, responsibilities, or requirements.

The employer is an equal opportunity employer and strongly supports diversity in the workplace.