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Senior Thermal Engineer

Arista Networks
Full TimeMid Level
Santa Clara, CA, United StatesPosted 4 weeks ago

Role Overview

Arista Networks is hiring a Senior Thermal Engineer. This is a full-time role in Santa Clara. Full responsibilities, required qualifications, and the apply link are listed in the description below.

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Job description

Who You’ll Work With

Arista seeks to add a Senior Thermal Engineer to address thermal engineering design challenges of high-end switching products in Santa Clara, California.  This position reports to the Mechanical Engineering Manager.  

The total estimated annual compensation range for this position, inclusive of base salary, bonus, and equity, is $300,000 to $655,000. This range is a good faith estimate only. Bonus and equity are discretionary, subject to plan terms, and are not guaranteed components of total compensation. Actual total annual compensation may vary based on employee performance, company or equity performance, company policy, board approval, or similar factors. Please see additional base salary information below.

What You’ll Do

In this role, you will work closely with the Electrical design and hardware validation teams to ensure fulfillment of overall system requirements.  As the Senior Thermal Engineer you will be responsible for addressing all thermal design related issues on different projects and shape thermal strategy for future products.

  • Develop thermal cooling strategies for next-generation, high-performance switching products.
  • Work independently to perform complete thermal analysis and design using Icepak.
  • Support thermal analysis requests from hardware team, product management team and other cross functional teams with either spreadsheet calculations or detailed simulation results.
  • Capable of conducting different engineering experimental tests to verify design (e.g., components, system level, etc.) and correlate with computational results.

 

 

  • MS Degree in Mechanical Engineering - Ph.D. preferred. 
  • Minimum of 5 years of direct professional experience in thermal design and analysis of electronic appliances using Icepak, FloTHERM, SmartCFD, etc.
  • Experience with high power (>800W) SoC liquid cooling thermal models and system-level analysis.
  • Experience in cold plate liquid cooling design and analysis, open loop or closed loop liquid cooling, CDU at rack level or facility level design and analysis.
  • Experience in numerical modeling based on Computational Fluid Dynamics (CFD) and Finite Element Analysis (FEA) (convergence, discretization, meshing).
  • Knowledge and familiarity with electronic cooling and challenges of systems within data center environments.
  • Knowledge of heat transfer modes; conduction, convection (passive and active), and radiation.
  • Thorough understanding of heat sink type/design, heat pipes, vapor chambers, fans, blowers, pumps, thermal interface material. Experience in vendor selection.
  • Flow and thermal measurement techniques, mechanical (thermal and structural) validation and qualification tests including, Environmental Test (ETE), etc.
  • Knowledge of thermal airflow testing, fans, pumps, liquid loop cold plate testing, and augmentation to system thermal simulation models.
  • Experience using ProEngineer (PTC Creo) a plus.
  • Good verbal and written communication skills.

Compensation Information:

The new hire base pay for this role has a pay range of $180,000 to $275,000. 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 salary range provided reflects base pay only. As described above, this position may also be eligible for discretionary Arista bonuses and equity. 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.

#LI-FI1

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.

About Arista Networks

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Arista Networks

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Frequently Asked Questions

How do I apply for the Senior Thermal Engineer position at Arista Networks?

Use the Apply button above to submit your application directly to Arista Networks. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Senior Thermal Engineer position at Arista Networks located?

This position is based in Santa Clara. Arista Networks has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Senior Thermal Engineer at Arista Networks earn?

Arista Networks has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Senior Thermal Engineer role at Arista Networks posted?

This role was posted on June 9, 2026 (30 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.

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