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How much do liquid cooling testing engineer jobs pay per hour?

As of Sep 13, 2026, the average hourly pay for liquid cooling testing engineer in the United States is $44.24, according to ZipRecruiter salary data. Most workers in this role earn between $33.41 and $52.40 per hour, depending on experience, location, and employer.

What does a liquid cooling testing engineer do?

A Liquid Cooling Testing Engineer is responsible for designing, implementing, and evaluating liquid cooling systems, primarily used for thermal management in electronics, data centers, or industrial equipment. Their job involves setting up tests, monitoring system performance, analyzing data, and ensuring that cooling solutions meet safety and efficiency standards. They collaborate with design and manufacturing teams to troubleshoot issues and optimize cooling systems. This role often requires expertise in thermodynamics, fluid mechanics, and the use of specialized testing equipment.

What are the key skills and qualifications needed to thrive as a liquid cooling testing engineer?

To thrive as a Liquid Cooling Testing Engineer, you need a background in mechanical or thermal engineering, with expertise in thermodynamics, fluid dynamics, and hands-on testing experience. Familiarity with simulation software (like CFD tools), data acquisition systems, and industry certifications such as Six Sigma or thermal management credentials is commonly required. Strong analytical thinking, attention to detail, and effective communication are crucial soft skills for diagnosing issues and working in cross-functional teams. These skills ensure that systems are tested accurately, operate reliably, and meet safety and performance standards.

What are some typical challenges faced by liquid cooling testing engineers during system validation?

Liquid Cooling Testing Engineers often encounter challenges related to maintaining precise temperature control and preventing leaks during system validation. Troubleshooting unexpected thermal performance issues and ensuring compatibility between various components are also common hurdles. Additionally, engineers must carefully document test results and collaborate closely with design and manufacturing teams to address any discrepancies. Effective communication and attention to detail are key to successfully navigating these challenges and ensuring reliable, high-performance cooling solutions.

What is the difference between Liquid Cooling Testing Engineer vs Thermal Testing Engineer?

AspectLiquid Cooling Testing EngineerThermal Testing Engineer
Required CredentialsBachelor's in Mechanical/Electrical Engineering, relevant certificationsBachelor's in Mechanical/Electrical Engineering, relevant certifications
Work EnvironmentLaboratories, manufacturing facilities, R&D centersLaboratories, testing labs, R&D centers
Industry UsageElectronics cooling, data centers, high-performance computingElectronics, automotive, aerospace, consumer devices
Comparison FocusSpecializes in liquid cooling systems testing and validationFocuses on overall thermal performance testing of devices

While both roles involve thermal management testing, the Liquid Cooling Testing Engineer specializes in testing liquid cooling systems, whereas the Thermal Testing Engineer covers broader thermal performance assessments. The roles often overlap but differ in focus and specific expertise within thermal management.

What are popular job titles related to Liquid Cooling Testing Engineer jobs?

For Liquid Cooling Testing Engineer jobs, the most frequently searched job titles are:

Infographic showing various Liquid Cooling Testing Engineer job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 84% Full Time, 10% Part Time, 3% Contract, and 1% Nights. Highlights an 89% Physical, 2% Hybrid, and 9% Remote job distribution, with an average salary of $92,027 per year, or $44.2 per hour.

Mechanical Engineer - Liquid Cooling

Plano, TX • On-site

Delta Electronics (Americas) Ltd.
See more jobs at Delta Electronics (Americas) Ltd.external

Full-time

Re-posted 13 days ago

Key responsibilities

  • Design, validate, and optimize CDU systems, including housings, piping, and structural components.

  • Collaborate with thermal, electrical, and manufacturing teams to ensure product integration, heat dissipation, reliability, and manufacturability.

  • Participate in product testing and validation, including structural strength, durability, sealing, and environmental testing, and support mass production implementation.

Job description

Who We Are
Delta, founded in 1971, is a global leader in switching power supplies and thermal management products with a thriving portfolio of innovative energy-saving systems and solutions in the fields of industrial automation, building automation, telecom power, data center infrastructure, EV charging, renewable energy, energy storage, and display, to nurture the development of innovative manufacturing and sustainable cities. As a world-class corporate citizen guided by its mission statement, "To provide innovative, clean and energy-efficient solutions for a better tomorrow," Delta leverages its core competence in high-efficiency power electronics and its ESG-embedded business model to address key environmental issues, such as climate change. Delta serves customers through its sales offices, R&D centers, and manufacturing facilities, which are spread across nearly 200 locations on five continents. Delta has 158 sales offices, 72 research and development (R&D) centers, and 48 manufacturing facilities worldwide.
Throughout its history, Delta has received various global awards and recognition for its business achievements, innovative technologies, and dedication to ESG. Since 2011, Delta has been listed on the Dow Jones Sustainability™ World Index for 11 consecutive years. In 2021, Delta was also recognized by CDP with leadership-level ratings for its substantial contributions to climate change and water security issues and was named Supplier Engagement Leader for its continuous development of a sustainable value chain.
Key Responsibilities
About the role:
You will be responsible for the mechanical design, validation, and optimization of CDU systems, ensuring it meets stringent
requirements for reliability, manufacturability, and efficiency. Lead the mechanical design of CDU assemblies, including housings, manifolds, piping, and structural components.
Conduct tolerance analysis, material selection, and structural validation using CAD/CAE tools. Collaborate with suppliers and manufacturing teams to optimize designs for cost, quality, and mass production.
Support prototype builds, testing, and design iterations based on validation results.
Document engineering specifications, drawings, and BOMs to ensure traceability and quality. Drive continuous improvement by monitoring industry trends and integrating new technologies into CDU designs.
Key responsibilities:
  • Responsible for the structural design and development of liquid-cooled CDUs (Coolant Distribution Units), including housing, piping layout, brackets, and connectors. Based on thermal fluid design requirements, complete structural configuration, component selection, and overall assembly scheme.
  • Collaborate with thermal design, electrical control, and manufacturing engineering teams to ensure product integration in terms of heat dissipation performance, reliability, and manufacturability.
  • Perform material selection and pressure and temperature resistance analysis to ensure the product meets the safety and durability requirements of liquid cooling systems.
  • Prepare engineering drawings, BOMs, and design specifications, and support mass production implementation in the supply chain and manufacturing sector.
  • Participate in product testing and validation, including structural strength, durability, sealing, and environmental testing, and propose improvement plans.

Minimum Qualifications
  • Graduated with a master's degree in mechanical engineering, Energy Engineering, or a related field.
  • Familiar with the design principles of liquid cooling systems, possessing basic knowledge of piping, connectors, pumps, and other components.
  • Proficient in CAD/3D modeling software (such as SolidWorks, Creo, AutoCAD).
  • Possess fundamental knowledge of structural mechanics, materials science, and thermodynamics.
  • Experience in product development and mass production implementation is a plus.
  • Strengthened cross-departmental communication and problem-solving skills.

Preferred Qualifications
  • Experience in designing liquid-cooled CDUs or server cooling systems.
  • Capable of conducting CFD/FEA analysis, performing flow field simulations and structural strength verification.
  • Experience in supplier management and mass production implementation, able to assist in cost optimization and quality improvement.

Benefit at Delta Electronics Americas
Life at Delta
EEO Statement
Delta Electronics Americas is an Equal Opportunity Employer and is committed to compliance with all applicable federal, state, and local laws. Delta Electronics America is committed to fostering a diverse, inclusive, and respectful workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, age, marital status, national origin, disability, veteran status, or any other protected characteristic.
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