Thermal Design Engineer

On behalf of our technology industry customer in Jyväskylä we now look for a THERMAL DESIGN ENGINEER to strenghten the in-house equipment design team. You will operate at the intersection of thermal engineering, simulation, and product development, focusing on high-performance heat transfer solutions in demanding industrial applications.

Your responsibilities will include:

• Drive continuous improvement across thermal designs, materials, and engineering methods from concept development to validated industrial solutions

• Apply advanced heat and mass transfer principles

• Perform simulation-driven engineering and optimization

• Design and develop heat exchangers and thermal management systems

• Lead numerical modeling and validation workflows

• Contribute to geometrical and functional innovation

• Translate complex simulations into actionable engineering decisions and customer value

• Maintain high-quality technical documentation and communicate findings clearly to both technical and non-technical stakeholders

In close team interaction you will grow into a thermal process specialist building on the technical insights derived from every project. Initial external consultant assignment is until further notice but holds the option of permanent employment with the end-customer. The assignment is also suitable for freelance entrepreneurs part of our supplier network.

As the thermal design engineer we look for you need to have genuine interest in thermal design and optimisation. We expect you to be professional and self-driven sharing our passion for technology, engineering and the commitment to move our customers' performance forward.

We expect of you:

You combine solid theoretical understanding with hands-on engineering capability and a strong drive to solve complex real-world problems.

Preferered academic background

• MSc (or similar) in:
• Mechanical Engineering (Thermal/Fluid focus)

• Thermal Engineering

• Energy Technology

• Computational Physics or equivalent

• Strong foundation in:
• Advanced Heat and Mass Transfer (analytical & numerical methods)

• Fluid Mechanics and Thermodynamics

• Numerical Methods in Engineering

• Skills communicating fluently both by speaking and writing in English. Finnish is a nice bonus.

Professional experience

• Experience in one or more of the following areas:
• Heat exchanger / thermal equipment design

• HVAC&R systems

• Thermal management in industrial or mobile applications

• Energy systems or process engineering

• Proven capability in simulation-driven development
• CFD (e.g., ANSYS Fluent or equivalent)

• Multiphysics modeling and interpretation

• Experience with:
• performance evaluation and optimization of thermal systems

• linking simulation results with physical testing

Core competencies

• Strong problem-solving and analytical thinking

• Solid understanding of engineering trade-offs

(thermal performance vs. pressure drop, cost, manufacturability)

• Collaborative mindset and ability to work across:
• engineering

• production

• commercial interfaces

• At least 5 years relevant work experience and documented commitment to work quality and schedules

• Curiosity and motivation to work with:
• advanced simulation

• emerging methods (e.g., AI-assisted engineering)

🎁We offer you

At our customer you will work on engineering challenges that matter in the real world.

• Impactful engineering work - your designs directly influence performance, efficiency, and sustainability of mobilr and industrial systems

• A position in a rapidly evolving industry - electrification, energy transition, and advanced thermal management are reshaping the field

• A part in deep industrial heritage with long-term vision - nearly 100 years of engineering excellence as a family-owned company

• An agile and collaborative environment - close interaction between engineering, production, and customers

• An opportunity to operate at the cutting edge - combining classical heat transfer with modern simulation and digital engineering tools

• Career wise an inspiring vantage point in the thermal design team of a global niché technology player

• An opportunity to leave your own mark as member of the product development process while adding a strong reference in your competence portfolio

• An exciting role contributing to the dynamic growth of our international consulting service offerin

• A competitive and encouraging salary closely mirroring your performance

On fire? Please submit your application and CV ASAP as we are interviewing relevant candidates as they come in. Inquiries also directly by phone.

ECHO Engineering

Echo Engineering Oy (www.echoengineering.fi) was established in 2019 to respond to the fluctuating demand for assignment-based technical professionals in the technology industry. For our parent company, Kaiku HR, this direction is a natural step towards offering a more comprehensive skill palette for the clients. To chosen clients we not only offer local technical consulting services, but also flexible remote design capacity out of India or bring technical experts to Finland for long-term assignments. Combining our capabilities, we can offer services that correspond to the high Finnish quality standards in a competitive price range. Our key personnel have over 20 years of experience in the field: Mats Lindholms expertise lies in selling services of local hour based freelance engineers, recruiting, and acting as an agent. Anil Talwani has a strong portfolio of selling, organizing, and executing remote design services between Finland and India.

Our parent company Kaiku HR (www.kaikuhr.fi) is a company specialized in recruitment and staffing, connecting the right people with the right jobs. A motivated and enthusiastic employee is key to ensuring the satisfaction of our client companies. Operations are based on a people-focused approach, mutual respect, a straightforward, no-nonsense way of working, and a strong commitment to keeping our promises. In 2025, group revenue was approximately €21.4 million. Over the years, we have successfully recruited thousands of professionals both in Finland and internationally. We are a member of the Finnish Staffing Companies Federation (HELA) and adhere to the industrys shared regulations and responsible practices.

Phone: 0405511481 Email: mats.lindholm@echoengineering.fi Loc

Echo Engineering Oy (www.echoengineering.fi) was established in 2019 to respond to the fluctuating demand for assignment-based technical professionals in the technology industry. For our parent company, Kaiku HR, this direction is a natural step towards offering a more comprehensive skill palette for the clients. To chosen clients we not only offer local technical consulting services, but also flexible remote design capacity out of India or bring technical experts to Finland for long-term assignments. Combining our capabilities, we can offer services that correspond to the high Finnish quality standards in a competitive price range. Our key personnel have over 20 years of experience in the field: Mats Lindholms expertise lies in selling services of local hour based freelance engineers, recruiting, and acting as an agent. Anil Talwani has a strong portfolio of selling, organizing, and executing remote design services between Finland and India.

Our parent company Kaiku HR (www.kaikuhr.fi) is a company specialized in recruitment and staffing, connecting the right people with the right jobs. A motivated and enthusiastic employee is key to ensuring the satisfaction of our client companies. Operations are based on a people-focused approach, mutual respect, a straightforward, no-nonsense way of working, and a strong commitment to keeping our promises. In 2025, group revenue was approximately €21.4 million. Over the years, we have successfully recruited thousands of professionals both in Finland and internationally. We are a member of the Finnish Staffing Companies Federation (HELA) and adhere to the industrys shared regulations and responsible practices.