Sr. Thermal Engineer

Company Description
Our client is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets them apart is their relentless pursuit of innovation. They leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide their clients with a competitive edge in an increasingly interconnected world. Their solutions are designed to not only meet the current demands of the digital landscape but to also anticipate and adapt to future challenges.
At our client they value the diversity of thought and perspectives that each employee brings to the table. They believe that fostering an inclusive environment, where individuals from various backgrounds and experiences feel welcome, is essential for driving creativity and innovation.
Their commitment to excellence has earned them several prestigious awards, such as Best Engineering Team, Best Company for Diversity, Compensation, and Work-Life Balance. They take pride in their track record of success and strive to maintain the highest standards of quality and performance in everything they do.
Job Description
Who You'll Work With
Our client is seeking 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.
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.
Additional context:
Team Overview:
- Over 50 mechanical engineers focused on mechanical and thermal design across all our client's products.
- Includes 4-5 highly skilled thermal simulation specialists.
Key Requirements:
- Extensive experience in high-powered liquid cooling systems-not just a few projects, but deep understanding of the full lifecycle and deployment profile.
- Ability to contribute to and lead projects involving liquid cooling, especially as the company transitions from traditional air-cooled designs.
- Familiarity with plumbing and system architecture used in enterprise-grade cooling (e.g., IBM-style implementations).
- Excitement for innovation and scaling liquid cooling across new product lines.
Preferred Skills:
- Hands-on or advocacy-level experience with thermal simulation tools like FloTHERM, Fluent, SmartCF, and others.
- Strong grasp of thermal equations and ability to explain and articulate design decisions.
- Quick analysis and iterative design capabilities.
- Experience in customer-facing roles and pressure communication support.
- Excellent communication skills-able to train and influence the team with practical, technical insights not found in textbooks.
Top Skills Details
liquid cooling
Experience Level
Expert Level
Job Type & Location
This is a Permanent position based out of Santa Clara, CA.
Pay and Benefits
The pay range for this position is $190000.00 - $230000.00/yr.
To be determined once a candidate has been chosen
Workplace Type
This is a fully onsite position in Santa Clara,CA.
Application Deadline
This position is anticipated to close on Feb 27, 2026.
>About TEKsystems:
We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.