Senior Thermal Engineer
Company websitearista.com (Arista Networks, opens in new tab)
Base salary $180K to $275K
Employer-published annual base salary, USD. Advertised base range in Santa Clara, CA
You apply on the employer's own site. Six Figure Work does not handle applications.
- LocationSanta Clara, CA
- WorkplaceWorkplace not stated
- Status at last checkSource accepting applications when checked
- Last checked (35 min ago) · observed since
About this job
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
*This is an on-site role - remote applicants must be willing to relocate to a commutable distance to the Arista Headquarters in Santa Clara, CA or our site in Roseville, CA.
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.
Qualifications
- 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
Additional Information
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.
Source: Arista Networks on SmartRecruiters · View original posting (opens in new tab)
This listingSenior Thermal Engineer$180K to $275K
Senior Mechanical Engineer$180K to $275K
Hardware Engineering Manager$180K to $275K
Manager, Electrical New Product Engineering (ENPIE)$180K to $200K
Mechanical NPI Liquid Cooling Engineer$175K to $200K
Senior Mechanical Engineer$162K to $225K
Senior Manager - IT Security$152K to $198K
Chart as a table
| Role | Published base |
|---|---|
| Senior Thermal Engineer (this listing) | $180K - $275K |
| Senior Mechanical Engineer | $180K - $275K |
| Hardware Engineering Manager | $180K - $275K |
| Manager, Electrical New Product Engineering (ENPIE) | $180K - $200K |
| Mechanical NPI Liquid Cooling Engineer | $175K - $200K |
| Senior Mechanical Engineer | $162K - $225K |
| Senior Manager - IT Security | $152K - $198K |
Observed changes
- First observed on the employer's board
- Began meeting the published-salary criteria
- Observed since
- Employer-stated posting date
- 2026-08-10
Where this pay comes from
Location as the employer wrote it: Santa Clara, CA, United States
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,
- Method
- Employer text, read with fixed rules and re-verified
- Checked
- Rule set
- us-base-v2
The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.
What we verified
- The pay figures come from the employer's own listing, quoted exactly above.
- The pay is an annual base salary in US dollars with a minimum of at least $100,000.
- The role was publicly listed on the employer's job board when last checked.
We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.
