Test Engineer Intern

BlueHeart Energy · Heemskerk, Noord-Holland, Netherlands · On-site · Internship

About  BlueHeart Energy
Founded in 2016, BlueHeart Energy set out to solve one of the biggest challenges in energy: creating heating and cooling systems that are efficient, affordable, and sustainable.
After nearly a decade of research and development, we introduced the BlueHeart engine: a breakthrough thermoacoustic technology designed to deliver high performance with minimal energy use and zero carbon emissions across residential and industrial applications. Our work is driven by innovation, precision engineering, and a commitment to redefining heating and cooling for a sustainable world.

The Internship
Join our Testing Team and gain hands-on experience testing innovative heat pump technologies in a real laboratory environment.
As a Test Engineering Intern, you will support the execution of tests on our different test benches and heat pump components, help troubleshoot technical issues, and contribute to improving our testing processes. This internship is ideal for someone who enjoys working with their hands, assembling equipment, operating laboratory setups, and learning how heat pump systems work.
We are particularly interested in MBO students or practical-oriented engineering students who are eager to learn, take initiative, and develop technical skills in the HVAC and heat pump domain.
Please note: To be eligible for this internship, you must be currently enrolled at a university in the Netherlands and remain enrolled as a student until at least February 2027 .

What You'll Do
Support daily testing activities on heat pump systems and components

Operate and monitor laboratory test benches

Assist with assembly, instrumentation, and preparation of test setups

Troubleshoot test benches and support root cause investigations

Collect and pre-analyze test data

Help maintain test procedures and laboratory documentation

Contribute to the continuous improvement of testing methods and workflows

Work closely with the Testing, Engineering, Controls, and R&D teams

What We’re Looking For
Currently studying MBO or HBO in Mechanical Engineering, Mechatronics, Electrical Engineering, HVAC, Energy Technology, or a similar field

Basic knowledge of data analysis tools such as Excel or MATLAB

Strong hands-on mentality and interest in practical engineering work

Curious and eager to learn about heat pumps and sustainable technologies

Comfortable working in a laboratory or workshop environment

Problem-solving mindset with attention to detail

Able to work independently and as part of a team

Good English skills (spoken and written)

Nice to Have
Interest or experience in heat pumps, refrigeration, HVAC, or energy systems

Experience with technical assembly, instrumentation, or testing activities

What We Offer
Internship allowance and travel allowance

A friendly, international work environment

Training and mentorship from experienced Test Engineers

Hands-on experience with cutting-edge heat pump technology

Access to mental health support via OpenUp

Opportunity to develop practical engineering skills in a fast-growing climate-tech company

Be part of a scale-up making a real impact on sustainability. Learn more about our mission here .