Thermal Test Engineer

Benefits

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Family-building benefits

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Not verified last checked Jun 13, 2026

Salary

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401(k) match

Listed Source: EMPLR_CONTRIB_INCOME_AMT. source Last checked Jun 13, 2026.

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About this role

Thermal Test Engineer Sunnyvale, United States of America At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. We're looking for an experienced Thermal Test Engineer who brings deep, hands-on expertise in thermal characterization, material evaluation, and cooling system validation. This is a role for an engineer who is equally comfortable installing thermocouples, characterizing thermal resistance and bond line behavior, building custom test fixtures, and writing the automation that turns raw data into clean, actionable results. As a Thermal Test Engineer, you will own thermal characterization and validation for consumer hardware programs across all Apple platforms - from early module designs through shipping hardware. Day-to-day work is hands-on in the lab: instrumenting hardware, configuring test systems, running thermal test plans, and extracting clear, reliable data. Evaluate thermal interface materials for new programs, assessing thermal resistance, mechanical compliance, repeatability, and long-term reliability. Collaborate with mechanical and systems engineers to identify thermal risks and develop mitigation strategies based on test data. Document procedures, maintain equipment, and communicate findings to stakeholders. The ideal candidate interprets temperature data, understands system behavior, and can troubleshoot test setups independently. Characterize and qualify thermal interface materials (TIMs) - phase change materials, greases, gels, graphite, and gap fillers. Evaluate and benchmark cooling solutions, analyzing performance tradeoffs across form factors and power envelopes to inform architecture decisions. Design and execute thermal characterization tests from module to system level to validate thermal performance across program milestones. Build and maintain data tools and test

Read the full description at jobs.apple.com. FewerJobs shows a source-linked preview and links to the original posting.