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Senior Thermal Systems Engineer - Adecco
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Senior Thermal Systems Engineer

Published 11/09/2026 | Expires 12/29/2026

Job description

Shape the Future of Energy Storage & Cooling Technology

Are you an experienced Thermal, HVAC, Cooling or Energy Engineer looking to work on innovative technologies that support the global energy transition? Join a leading international R&D organization and help develop advanced cooling solutions for Battery Energy Storage Systems (BESS), data centers, and EV charging infrastructure,

What are you going to do?

As a Senior Thermal Systems Engineer, you will play a key role in improving the performance, reliability, and maintainability of next-generation energy systems. Combining hands-on engineering expertise with advanced problem-solving skills, you will investigate technical issues, perform root cause analysis, and drive product improvements that directly impact large-scale sustainable energy projects across Europe.

What do we offer?
  • Competitive salary from €5,000 gross per month, depending on experience.
  • 8% holiday allowance., pension scheme. and travel allowance.
  • Long-term contract through Adecco with extension opportunities.
  • Exposure to global R&D projects and cutting-edge energy technologies.
  • Continuous learning, training, and career development opportunities.
  • International and multicultural working environment.
Where will you work?

Our client is a global leader in Digital Power, Solar PV, Energy Storage, and Smart Energy Technologies. Through significant investments in research and development, the company delivers innovative solutions that accelerate the transition towards a more sustainable and connected energy future. Working closely with partners across Europe, the organization develops advanced technologies for residential, commercial, and utility-scale energy projects.

What do we ask?
  • Bachelor's or Master's degree in Mechanical Engineering, Thermal Engineering, Electrical Engineering, Energy Engineering, or a related discipline.
  • Experience with thermal management systems, cooling technology, HVAC, heat exchangers, chillers, pumps, or fluid systems.
  • Strong knowledge of thermodynamics, fluid mechanics, and engineering analysis.
  • Hands-on experience with troubleshooting, testing, maintenance, or reliability engineering.
  • Ability to work independently and solve complex technical challenges.

Preferred Experience

  • Battery Energy Storage Systems (BESS) or Energy Storage Systems (ESS).
  • Data center cooling infrastructure.
  • EV charging technologies.
  • International R&D environments.
  • Chinese language skills are an advantage.
Are you interested?

Join a team where innovation meets real-world application, and where your expertise helps shape the future of sustainable energy technology.


Apply before 30th of November 2026 or contact Adecco at [email protected] for a confidential conversation about this opportunity.

We look forward to connecting with engineers who are ready to take on challenging projects and make a lasting impact.


Applicants must be citizens of an EU member state or already have the legal right to live and work in the Netherlands.

Unfortunately, candidates who require visa sponsorship cannot be considered for this position.


Job criteria

Type of job Full-time
Cities Rijswijk
Salary 3500-5000 EUR