Thermal Engineer

Wise Skulls LLC; Cupertino (CA); On-site; USD 75,000 - 110,000; Full time

Job summary

Wise Skulls LLC in Cupertino, CA is seeking a hands-on Sr. Technician for mechanical and thermal testing of battery cell and component-level systems. You will develop test setups, run reliability tests, and maintain detailed records to support engineering programs.

The role emphasizes safety, precision data collection, and collaboration with engineering teams to communicate results and improve test methodologies across projects.

Qualifications

• Experience with battery cell and component-level stress testing.
• Familiar with safety protocols and testing standards.
• Ability to design and document SOPs.
• Capable of recording, analyzing, and reporting test results.
• Hands-on experience with mechanical and thermal test setups.

Responsibilities

• Prepare test samples, instrumentation, and fixtures for mechanical and thermal tests.
• Develop, assemble, and maintain test setups per specs and standards.
• Execute battery cell and component-level reliability tests per procedures.
• Perform mechanical tests: shock, impact, compression, tensile, bending, drop.
• Conduct controlled heating and thermal exposure tests.
• Monitor progress, collect data, and maintain test records.
• Document SOPs and lab safety procedures; update as needed.
• Troubleshoot equipment and coordinate calibration/maintenance.
• Generate test summaries and communicate results to engineering teams.
• Maintain lab equipment, tools, and inventory with safety in mind.

Skills

Test setup development

SOP documentation

Mechanical testing

Thermal testing

Battery testing

Instron equipment operation

Safety protocols

Data collection/reporting

Education

Diploma/Associate/Bachelor in ME/EE/Engineering Tech

Tools

Instron software

Job description

Hiring: Sr. Technician - Mechanical & Thermal Testing

Important

Visa: USC and GC Only

General Summary

We are seeking a hands-on Senior Technician to perform consumer electronic battery cell and component- level stress and reliability testing in support of engineering test programs. The ideal candidate will possess strong laboratory experience and a commitment to safety, quality, and accurate data collection.

Function : Senior Technician - Mechanical & Thermal Testing

Principal Duties and Responsibilities

• Prepare test samples, instrumentation, and fixtures for mechanical and thermal testing activities.
• Develop, assemble, and maintain test setups in accordance with engineering specifications and industry standards.
• Execute battery cell and component-level reliability tests and ensure compliance with approved test procedures.
• Conduct mechanical testing including Shock, Impact, Compression, Tensile, Bending/Flexural and Drop testing
• Conduct controlled heating and thermal exposure tests.
• Monitor test progression, collect data, and maintain detailed test records.
• Document and maintain Standard Operating Procedures (SOPs), work instructions, and lab safety procedures.
• Troubleshoot testing equipment and coordinate calibration and maintenance activities.
• Generate test summaries and communicate results to engineering teams.
• Maintain laboratory equipment, tools, and inventory while ensuring a safe working environment.

Knowledge, Skills, and Ability

Required

• Develop and install test setups in accordance with technical standards
• Document Standard Operating Procedures (SOPs)
• Prepare test samples, execute tests, and record/report results
• Perform mechanical testing including shock, compression, bending, tensile, and drop testing
• Perform controlled heating testing
• Experience performing battery cell and component-level stress and reliability testing - shock, heating, impact
• Experience operating Instron testing equipment and associated software.
• Experience in battery safety protocols and testing standards
• Diploma, Associate Degree, or Bachelor's Degree in Mechanical Engineering/ Electrical Engineering, Engineering Technology, or a related field.

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.