People Matter

Thermal Test Engineer

Arista Networks

Arista Networks

Quality Assurance
Santa Clara, CA, USA
Posted on Friday, June 14, 2024

Company Description

Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our solutions are designed to not only meet the current demands of the digital landscape but to also anticipate and adapt to future challenges.

At Arista we value the diversity of thought and perspectives that each employee brings to the table. We believe that fostering an inclusive environment, where individuals from various backgrounds and experiences feel welcome, is essential for driving creativity and innovation.

Our commitment to excellence has earned us several prestigious awards, such as Best Engineering Team, Best Company for Diversity, Compensation, and Work-Life Balance. At Arista, we take pride in our track record of success and strive to maintain the highest standards of quality and performance in everything we do.

Job Description

Who You’ll Work With

The Thermal Engineering team addresses thermal engineering design challenges of high-end switching products. Our team collaborates closely with the Electrical design and hardware validation teams to ensure the fulfillment of overall system requirements. As part of our team, you will be responsible for tackling all thermal design-related issues across various projects.

What You’ll Do

There are always thermal challenges in the product design. Thermal validation is required for each product and especially in the early design stage. This position reports to the Mechanical Engineering Manager and is responsible for supporting our mechanical design team by conducting various designed lab verification tests and performing onsite assembly and disassembly of the prototype units.

  • Develop and execute test plans to measure thermal performance of heatsinks; repeated test needed for statistical data collection purpose
  • Setup Air Flow test to measure required data to verify system performance and system impedance to support thermal simulation
  • Work with lab technicians to customize circuits or power leads
  • Setup externally powered fan/fan module airflow / impedance tests
  • Setup externally powered power supply airflow / impedance tests
  • Perform Temperature measurements for component thermal profile
  • Fabricate lab test fixtures as needed for various tests
  • Troubleshoot and debug issues during the tests
  • Communicate with Platform Engineer and Hardware Engineer for software issues
  • Investigate the testing results and work with Mechanical Engineer and Thermal Engineer to adjust testing plan in order to get useful and meaningful testing data
  • Document testing procedure and testing results and make sure the testing is done consistently


  • High school diploma or equivalent, BS in Mechanical Engineering a plus
  • Proficiency in Microsoft Office (MS Word, Excel, PowerPoint) or Google Doc
  • Basic knowledge of tools (drill press, dremel tool, band saw) and electrical devices
  • Experience of 3D printers a plus.
  • Experience of air flow testing a plus.
  • Experience with liquid cooling systems a plus.
  • Experience using 3D CAD software a plus
  • Experience using Matlab or Python software a plus

Compensation Information

The new hire base pay for this role has a salary range of $95,000 to $137,000. Arista offers different pay ranges based on work location, so that we can offer consistent and competitive pay appropriate to the market. The actual base pay offered will be based on a wide range of factors, including skills, qualifications, relevant experience, and work location. The pay range provided reflects base pay only and in addition certain roles may also be eligible for discretionary Arista bonuses and equity. Employees in Sales roles are eligible to participate in Arista’s Sales Incentive Plan, which pays commissions calculated as a percentage of eligible sales. US-based employees are also entitled to benefits including medical, dental, vision, wellbeing, tax savings and income protection. The recruiting team can share more details during the hiring process specific to the role and location.

Additional Information

All your information will be kept confidential according to EEO guidelines.

Arista Networks is an equal opportunity employer. Arista makes all hiring and employment-related decisions in a non-discriminatory manner without regard to race, color, religion, sex, sexual orientation, gender identity, national origin or any other factor determined to be unlawful under applicable federal, state, or law law. All your information will be kept confidential according to EEO guidelines.