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Senior Thermal Engineer Jobs (NOW HIRING)

KBR

Sr Thermal Engineer

Greenbelt, MD

$142.30K - $213.40K/yr

Title: Sr Thermal Engineer Belong. Connect. Grow. with KBR! Around here, we define the future. But we at KBR share one goal: to improve the world responsibly as a company of innovators, thinkers ...

KBR, Inc.

Sr Thermal Engineer

Greenbelt, MD · On-site

$142.30K - $213.40K/yr

Title: Sr Thermal Engineer Belong. Connect. Grow. with KBR! Around here, we define the future. But we at KBR share one goal: to improve the world responsibly as a company of innovators, thinkers ...

Astranis

Senior Thermal Engineer

San Francisco, CA · On-site

$123.10K - $169.10K/yr

Senior Thermal Engineer As an Astranis Senior Thermal Engineer, you will design, evaluate and test thermal solutions ranging from electronic chips to full spacecraft thermal vacuum tests. You must ...

Nextpower

Sr. Thermal Engineer

Fremont, CA · On-site +1

$180K - $200K/yr

The Sr Thermal Engineer will report to the Director, Power Electronics Mechanical Engineering. Job Summary We are seeking a Sr. Thermal Engineer to lead the thermal design, analysis, testing, and ...

KBR, Inc.

Senior Thermal Engineer

Greenbelt, MD · On-site

$142.30K - $213.40K/yr

Senior Thermal Engineer Belong. Connect. Grow. with KBR! Around here, we define the future. But we at KBR share one goal: to improve the world responsibly as a company of innovators, thinkers ...

KBR

Senior Thermal Engineer

Greenbelt, MD · On-site

$142.30K - $213.40K/yr

Senior Thermal Engineer Belong. Connect. Grow. with KBR! Around here, we define the future. But we at KBR share one goal: to improve the world responsibly as a company of innovators, thinkers ...

Marmon

Senior Thermal Engineer

Moscow, TN

$94.20K - $129.30K/yr

Senior Thermal Engineer Coilmaster | HPT Who We Are Coilmaster|HPT is an industry leader in advanced heat transfer solutions serving HVAC, refrigeration, and industrial markets. We are committed to ...

Marmon Holdings, Inc.

Senior Thermal Engineer

Moscow, TN · On-site

$94.20K - $129.30K/yr

Senior Thermal Engineer Coilmaster | HPT Who We Are Coilmaster|HPT is an industry leader in advanced heat transfer solutions serving HVAC, refrigeration, and industrial markets. We are committed to ...

Turion Space

Senior Thermal Engineer

Irvine, CA · On-site

$150K - $200K/yr

We are seeking a Senior Thermal Engineer to lead the design, analyze, test, and implementation of satellite systems. You will work closely with the Turion Space team across software and hardware ...

Raytheon

Senior Thermal Engineer

El Segundo, CA

$111.30K - $152.80K/yr

As the Senior Thermal Engineer, you will be responsible for detailed thermal analysis on products throughout their lifecycle from initial design trade studies and proposals through qualification ...

Arista Networks

Senior Thermal Engineer

Santa Clara, CA · On-site

$130K - $200K/yr

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 ...

Eridu AI

Senior Thermal Engineer

Saratoga, CA · On-site

$115.20K - $158.20K/yr

The Senior Thermal Engineer will work closely with mechanical, electrical, packaging, and manufacturing teams to ensure thermal solutions meet performance, reliability, and scalability requirements ...

Raytheon Technologies

Senior Thermal Engineer

El Segundo, CA · On-site

$111.30K - $152.80K/yr

As the Senior Thermal Engineer, you will be responsible for detailed thermal analysis on products throughout their lifecycle from initial design trade studies and proposals through qualification ...

Supermicro

Sr. Thermal Engineer

San Jose, CA

$145K - $159K/yr

Supermicro Computer is seeking passionate and candidate to take on the responsibilities of Sr. Thermal Engineer. The position will be responsible for the thermal architecture, design, analysis, and ...

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Senior Thermal Engineer information

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$59.5K

$126.6K

$183.5K

How much do senior thermal engineer jobs pay per year?

As of May 28, 2026, the average yearly pay for senior thermal engineer in the United States is $126,557.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,500.00 and $143,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Thermal Engineer, and why are they important?

To thrive as a Senior Thermal Engineer, you need a solid background in mechanical or aerospace engineering, advanced knowledge of thermodynamics and heat transfer, and several years of relevant experience. Proficiency in simulation tools like ANSYS, FloTHERM, and CAD software, as well as familiarity with relevant industry standards, is typically required. Strong problem-solving, project management, and communication skills help you excel in cross-functional teams and complex projects. These competencies are critical for designing effective thermal solutions, ensuring system reliability, and driving innovation in high-performance environments.

What are the typical challenges a Senior Thermal Engineer faces when collaborating with cross-functional teams on new product development?

Senior Thermal Engineers often work closely with mechanical, electrical, and design teams to ensure thermal management solutions align with overall product requirements. A common challenge is balancing thermal performance with constraints such as size, weight, cost, and manufacturability. Effective communication and early involvement in the design process are key to addressing potential issues before they become costly or difficult to resolve. Additionally, integrating feedback from testing and simulations into collaborative workflows is essential for optimizing solutions and meeting project deadlines.

What does a Senior Thermal Engineer do?

A Senior Thermal Engineer is responsible for designing, analyzing, and optimizing thermal management systems in products or processes. They use advanced simulation tools and engineering principles to ensure components operate within safe temperature ranges, often in industries such as aerospace, automotive, and electronics. Their role involves collaborating with cross-functional teams to solve complex heat transfer challenges, improve energy efficiency, and support product development from concept to production. Additionally, they may mentor junior engineers and contribute to research and development efforts.

What is the difference between Senior Thermal Engineer vs Mechanical Engineer?

AspectSenior Thermal EngineerMechanical Engineer
Required CredentialsBachelor's or Master's in Mechanical, Mechanical Engineering, or Thermodynamics; certifications like ASME or HVAC licensesBachelor's or Master's in Mechanical Engineering; similar certifications often applicable
Work EnvironmentDesigning thermal systems, heat transfer analysis, HVAC, aerospace, or energy sectorsDesign, analysis, manufacturing, and testing across various industries including automotive, aerospace, and manufacturing
Employer & Industry UsageEngineering firms, energy companies, HVAC providers, aerospaceManufacturers, consulting firms, product design companies, industrial sectors

While both roles require a background in mechanical engineering, Senior Thermal Engineers specialize in heat transfer, thermal system design, and energy efficiency, often within specialized sectors like aerospace or energy. Mechanical Engineers have broader responsibilities across various mechanical systems. The roles overlap in credentials and work environments but differ in focus and expertise.

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Senior Thermal Engineer jobs near you
Senior Thermal Engineer - Liquid Cooling with Security Clearance

Senior Thermal Engineer - Liquid Cooling with Security Clearance

Zachary Piper Solutions, LLC

Saratoga, CA

$220K - $260K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 5 days ago

Job description

Piper Companies is looking for a Senior Thermal Engineer - Liquid Cooling to join a cutting edge startup company on site in Saratoga, CA. The ideal Senior Liquid Cooling Thermal Engineer will lead liquid cooling architecture, simulation, validation, and system level thermal design for advanced computing hardware. Responsibilities for the Senior Thermal Engineer - Liquid Cooling: * Lead thermal design efforts for high power computing systems with a focus on liquid cooling solutions, cold plates, manifolds, and advanced heat transfer technologies * Drive thermal modeling, simulation, and system level analysis to optimize performance and reliability * Oversee thermal validation, lab testing, instrumentation strategies, and correlation of test data to simulations * Collaborate closely with mechanical, electrical, packaging, and manufacturing teams to ensure seamless integration of thermal solutions across the full hardware lifecycle Qualifications for the Senior Thermal Engineer - Liquid Cooling: * 5+ years' experience as a thermal engineer supporting liquid cooling solutions for electronics or high density computing hardware * Must be eligible to work in the United States and obtain and maintain an Active U.S.

Government Secret Clearance * Hands on experience with thermal simulation tools including Icepak, Flotherm, COMSOL, or ANSYS * Strong knowledge of thermal architecture, heat transfer, liquid cooling design, and system level thermal behavior * Experience performing lab based thermal testing, characterization, and data interpretation * Background working with advanced packaging, high power modules, or multi die systems is preferred * Bachelor's or Master's degree in Mechanical Engineering, Thermal Engineering, or a related field Compensation and Benefits for the Senior Thermal Engineer - Liquid Cooling: * Salary Range: $220,000 - $260,000 base plus stock * Comprehensive Benefits: Medical, Dental, Vision, 401K, PTO, Sick Leave when required by law, and Holidays This job opens for applications on 5/21/2026. Applications for this job will be accepted for at least 30 days from the posting date. Keywords: thermal engineer, liquid cooling, cold plate design, manifold design, thermal modeling, ANSYS, Flotherm, Icepak, high performance computing, thermal simulation, heat transfer, advanced packaging, computing hardware, data center cooling, power density, thermal validation, thermal architecture, electronics cooling, mechanical engineering #LI-BR1 #LI-ON SITE

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