Senior Thermal Engineer

Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. Arista is a well-established and profitable company with over $8 billion in revenue. Arista’s award-winning platforms, ranging in Ethernet speeds up to 800G bits per second, redefine scalability, agility, and resilience.  Arista is a founding member of the Ultra Ethernet consortium. We have shipped over 20 million cloud networking ports worldwide with CloudVision and EOS, an advanced network operating system. Arista is committed to open standards, and its products are available worldwide directly and through partners.

At Arista, we value the diversity of thought and perspectives each employee brings. We believe 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 the Great Place to Work Survey for Best Engineering Team and 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 quality and performance standards in everything we do.

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 Bangalore, Karnataka.  This position reports to the Mechanical Engineering Manager.  

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.

• M.E./ MS Degree in Mechanical Engineering
• Minimum of 8 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.

Arista stands out as an engineering-centric company. Our leadership, including founders and engineering managers, are all engineers who understand sound software engineering principles and the importance of doing things right.

We hire globally into our diverse team. At Arista, engineers have complete ownership of their projects. Our management structure is flat and streamlined, and software engineering is led by those who understand it best. We prioritize the development and utilization of test automation tools.

Our engineers have access to every part of the company, providing opportunities to work across various domains. Arista is headquartered in Santa Clara, California, with development offices in Australia, Canada, India, Ireland, and the US. We consider all our R&D centers equal in stature.

Join us to shape the future of networking and be part of a culture that values invention, quality, respect, and fun.