Thermal Test Engineer

Arista Networks•Santa Clara, CA

About The Position

The Thermal Test Engineer supports the mechanical design team by conducting laboratory verification tests and performing onsite assembly and disassembly of prototype units. The role addresses thermal design challenges across product projects and validates thermal performance, particularly during early design stages. It reports to the Mechanical Engineering Manager and works with thermal, mechanical, platform, and hardware engineering colleagues.

Requirements

High school diploma or equivalent.
Proficiency in Microsoft Office (MS Word, Excel, and PowerPoint) or Google Docs.
Basic knowledge of tools such as a drill press, Dremel tool, and band saw, and of electrical devices.

Nice To Haves

Bachelor of Science in Mechanical Engineering.
Experience with 3D printers.
Experience with airflow testing.
Experience with liquid cooling systems.
Experience using 3D CAD software.
Experience using MATLAB or Python.

Responsibilities

Develop and execute test plans to measure heatsink thermal performance, repeating tests as needed to collect statistical data.
Set up airflow tests to collect data verifying system performance and impedance for thermal simulations.
Work with lab technicians to customize circuits or power leads.
Set up airflow and impedance tests for externally powered fans and fan modules.
Set up airflow and impedance tests for externally powered power supplies.
Measure component temperatures to establish thermal profiles.
Fabricate laboratory test fixtures as needed.
Troubleshoot and debug issues encountered during testing.
Communicate with Platform Engineers and Hardware Engineers about software issues.
Investigate test results and work with Mechanical and Thermal Engineers to adjust test plans and obtain useful, meaningful data.
Document test procedures and results, ensuring tests are performed consistently.
Perform onsite assembly and disassembly of prototype units.