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Internship Thermal Engineer Jobs (NOW HIRING)

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Mech / Thermal Intern

San Jose, CA ยท On-site

$22 - $29.50/hr

Job Summary Our mechanical/thermal engineering interns will work within the mechanical and thermal engineering organization, with a strong focus on NPI prototyping, manufacturing fixture development ...

Etched

Mech / Thermal Intern

San Jose, CA ยท On-site

$22 - $29.50/hr

Job Summary Our mechanical/thermal engineering interns will work within the mechanical and thermal engineering organization, with a strong focus on NPI prototyping, manufacturing fixture development ...

Fermilab

Cryogenic Engineering Co-op

Batavia, NY ยท On-site

$21.26 - $25.93/hr

Under the direction of an expert mechanical engineer, project tasks may include cryogenic component ... Successful completion of cryogenics and/or thermal-fluids courses is preferred. * Familiarity with ...

Barton Malow

Project Engineer (Thermal)

Ashville, OH ยท On-site

Project Engineer (Thermal) REQ ID: 12203 POSITION SUMMARY Barton Malow Company is seeking Project ... construction internship experience. * OSHA 30 Hour certification preferred. * Well-organized ...

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How much do internship thermal engineer jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for internship thermal engineer in the United States is $25.42, according to ZipRecruiter salary data. Most workers in this role earn between $20.67 and $28.85 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an internship thermal engineer, and why are they important?

To thrive as an Internship Thermal Engineer, you typically need foundational knowledge in thermodynamics, heat transfer, and fluid mechanics, usually gained through a degree in mechanical or a related engineering field. Familiarity with simulation software such as ANSYS, MATLAB, or SolidWorks, and an understanding of CAD tools are commonly required, while relevant coursework or certifications can be beneficial. Strong analytical thinking, problem-solving abilities, and effective communication skills help interns collaborate and present findings clearly. These abilities ensure accurate analysis, efficient teamwork, and valuable contributions to thermal engineering projects.

What does an internship thermal engineer do?

An Internship Thermal Engineer assists senior engineers in designing, analyzing, and testing thermal systems and components. Their tasks often include running simulations, conducting experiments, collecting data, and helping to improve cooling or heating solutions for various products. Interns typically work in industries such as aerospace, automotive, electronics, or energy, gaining hands-on experience with thermal management techniques and tools. This role is ideal for engineering students who want to apply their theoretical knowledge to real-world challenges while developing technical and teamwork skills.

What types of projects and responsibilities can I expect as an internship thermal engineer?

As an Internship Thermal Engineer, you will typically assist in designing, analyzing, and testing thermal systems or components under the supervision of senior engineers. Your daily tasks may include running simulations, collecting and interpreting temperature data, preparing reports, and collaborating with cross-functional teams such as mechanical design or manufacturing. Interns often get exposure to real-world problem-solving and are encouraged to contribute ideas during team meetings. This hands-on experience not only builds technical skills but also provides insight into the workflow and challenges faced in thermal engineering roles.

What is the difference between Internship Thermal Engineer vs Thermal Engineer?

AspectInternship Thermal EngineerThermal Engineer
CredentialsEnrolled in or recent graduate of engineering programBachelor's or higher in Mechanical or Thermal Engineering
Work EnvironmentInternship setting, entry-level projectsFull-time professional role, project leadership
ResponsibilitiesAssisting with thermal analysis, learning proceduresDesigning thermal systems, conducting analyses, troubleshooting
Industry UsageInternship programs, training rolesDesign firms, manufacturing, aerospace, automotive

The main difference between an Internship Thermal Engineer and a Thermal Engineer is experience level and responsibilities. Internships are designed for students or recent graduates gaining practical experience, while Thermal Engineers are full-time professionals responsible for thermal system design and analysis. Internships serve as a stepping stone toward becoming a full Thermal Engineer.

What cities are hiring for Internship Thermal Engineer jobs? Cities with the most Internship Thermal Engineer job openings:
What are the most commonly searched types of Thermal Engineer jobs? The most popular types of Thermal Engineer jobs are:
What states have the most Internship Thermal Engineer jobs? States with the most job openings for Internship Thermal Engineer jobs include:
Internship Thermal Engineer jobs near you

Co-Op, Thermal Test Engineer, Fall 2026 (July-December)

Alloy Enterprises

Burlington, MA โ€ข On-site

$23 - $28/hr

Full-time

Posted yesterday

New

Job description

Cooling performance limits high-power computing, semi-conductor fab, cell networks, photonics, power electronics, and most of our digital world. Alloy Enterprises enables customers to break through these constraints with novel complex metal components that dramatically improve heat dissipation in high-performance systems. Alloy's patented Stack Forgingโ„ข process enables complex micro-geometries, resulting in single-piece, leak-tight parts that deliver superior cooling performance, lower pressure drops, and exceptional reliability. Founded in 2020, Alloy is a 45-person hardtech startup that has raised over $50M in capital and is shipping components to customers manufacturing servers, lasers, semiconductor equipment, and defense systems.
About the Role
We are looking for a hands-on Mechanical or Industrial Engineering Co-op to support our thermal test lab and product validation efforts. This role is ideal for someone who enjoys building, troubleshooting, and working directly with hardware.
You will work closely with engineering and production teams to execute thermal and fluidic testing, develop test setups, and generate high-quality data that informs both product development and customer deliverables. Strong communication, attention to detail, and a bias toward action are critical to success in this role.
What you will do:
  • Build, assemble, and maintain thermal and fluidic test setups (pumps, heat exchangers, sensors, plumbing, etc.)
  • Execute testing on cooling plates and assemblies, including:
    • Leak testing
    • Flow rate measurement
    • Pressure drop (ฮ”P) characterization
    • Thermal performance evaluation
  • Instrument test setups with thermocouples, pressure sensors, and flow meters
  • Collect, clean, and organize test data for analysis
  • Support development and refinement of standardized test methods
  • Troubleshoot test setups, fixtures, and data acquisition systems
  • Collaborate with engineering to evaluate new designs and process improvements
  • Assist in documenting results for internal reports and customer-facing materials
  • Help maintain lab organization, safety, and repeatability across test specimens

What You'll Bring
  • Pursuing a degree in Mechanical Engineering, Industrial Engineering, or a related field
  • Strong hands-on aptitude and interest in building and debugging physical systems
  • Basic understanding of heat transfer, thermodynamics, and fluid mechanics
  • Experience with lab equipment, instrumentation, or test setups (academic or internship)
  • Ability to work independently and take ownership of tasks from setup through execution
  • Strong attention to detail and commitment to repeatable, high-quality results
  • Clear written and verbal communication skills

Preferred Experience:
  • Experience with data acquisition systems (DAQ), sensors, or lab instrumentation
  • Familiarity with Python, MATLAB, or similar tools for data analysis
  • Experience with CAD tools (Onshape or SOLIDWORKS)
  • Exposure to thermal systems, cooling loops, or fluid handling systems
  • Previous co-op, internship, or hands-on project experience in a lab or manufacturing environment

*Pay Range: $23-28/hour dependent on experience, qualifications, and education level
Additional requirements
This position will require access to information subject to control under U.S. export control laws and regulations, including the Export Administration Regulations ("EAR") and International Traffic in Arms Regulations ("ITAR"). Please note that any offer for employment will be conditioned on authorization to receive controlled items without sponsorship for an export license.
Regarding Sponsorship
Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa, including H-1B, H-1C, H-2A, H-2B, H-3, F-1 or OPT at this time.
Equal employment opportunity
We are committed to creating an equitable and inclusive environment for all our employees and seek to build a team that reflects the diversity of the people we hope to serve with our products. We are proud to be an equal opportunity employer.

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