Lead Thermal Systems Engineer

We are seeking a highly skilled Thermal Systems Engineer to lead the design, analysis, and validation of advanced cooling systems for high-density data center environments. This role focuses on ensuring system reliability, thermal performance, and compliance with industry standards through rigorous testing and certification processes.

What You Will Do

• Design and optimize thermal systems for high-power-density environments, ensuring robust heat transfer and fluid flow performance.

• Conduct detailed thermal simulations and CFD modeling to validate system behavior under varying operational conditions.

• Develop and execute comprehensive test plans including hydrostatic pressure testing, thermal cycling, vibration, and shock testing in accordance with standards such as ASME, IEC, and ASTM.

• Collaborate with cross-functional teams to ensure mechanical integrity, material compatibility, and corrosion resistance of wetted components.

• Analyze field data and lab results to drive continuous improvement in system reliability and efficiency.

• Support regulatory compliance efforts including safety, EMC, and environmental certifications (e.g., UL, CE, RoHS, REACH).

• Author technical documentation including test protocols, certification reports, and installation guidelines.

• Interface with external testing labs and internal stakeholders to coordinate validation activities and ensure timely delivery of certified systems.

Minimum Qualifications

• Degree or advanced degree in Mechanical Engineering, Thermal Engineering, or a related technical discipline.

  • BS with 10 years of relevant experience

  • MS with 7 years of relevant experience

  • PhD with 5 years of relevant experience

• Proficiency in CFD and thermal modeling tools (e.g., ANSYS, FloTHERM, SolidWorks Flow Simulation).

• Strong understanding of fluid dynamics, thermodynamics, and heat transfer principles.

• Experience with instrumentation for temperature, pressure, and flow measurement.

• Familiarity with testing standards such as ASME, ASTM, IEC, and UL.

• No Immigration Sponsorship available for this role

Preferred Qualifications

• Experience in data center or mission-critical cooling systems.

• Knowledge of two-phase cooling and refrigeration systems.

• Background in automated testing systems and test bench development.

• Experience with regulatory and environmental compliance (e.g., RoHS, REACH, WEEE).

• Familiarity with reliability engineering tools and techniques (e.g., FMEA, )

The base salary range for this position is $130,100.00 - $195,100.00. This position is eligible for annual bonus pay based on performance, per plan terms. Many factors are taken into consideration when determining compensation, such as experience, education, training, geography, etc. We comply with all minimum wage and overtime laws.

Ecolab strives to provide comprehensive and market-competitive benefits to meet the needs of our associates and their families.

If you are viewing this posting on a site other than our Ecolab Career website, view our benefits at jobs.ecolab.com/working-here.

Our Commitment to a Culture of Inclusion & Belonging
At Ecolab, we believe the best teams are inclusive. We are on a journey to create a workplace where every associate can grow and achieve their best. We are committed to fair and equal treatment of associates and applicants and recruit, hire, promote, transfer and provide opportunities for advancement based on individual qualifications and job performance. In all matters affecting employment, compensation, benefits, working conditions, and opportunities for advancement, we will not discriminate against any associate or applicant for employment because of race, religion, color, creed, national origin, citizenship status, sex, sexual orientation, gender identity and expressions, genetic information, marital status, age, disability, or status as a covered veteran.

In addition, we are committed to furthering the principles of Equal Employment Opportunity (EEO) through Affirmative Action (AA).

We will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance, the San Francisco Fair Chance Ordinance, and the New York City Fair Chance Act.