CFD & Mechanical Design Engineer

Do you want to establish and develop CFD simulation as a key engineering discipline in a global technology company? Are you passionate about thermal management, cooling solutions, and simulation-driven product development?

Possible work locations: Denmark (Skive, Aalborg, Silkeborg or Odense), Austria (Klagenfurt or Graz) or Croatia (Zagreb)

At DEIF A/S, we develop advanced control solutions that keep power stable and efficient – whether from wind, solar, or traditional sources. With more than 700 employees worldwide*, we set new standards in energy efficiency and power conversion, working every day to become the market leader in intelligent energy control. Together, we create solutions that* ImproveTomorrow**.

About the job

At DEIF, we develop innovative control and power management solutions that support the global energy transition. As we continue to expand our investments in power electronics and power conversion technologies, thermal performance and cooling design are becoming increasingly critical to the success of our products.

To support this journey, we are looking for a CFD & Mechanical Design Engineer to strengthen our Hardware & Mechanics team and establish Computational Fluid Dynamics (CFD) as a key engineering capability within the organisation.

This is a newly established position offering a unique opportunity to take ownership of CFD simulation and thermal design activities while contributing to the mechanical development of our products. You will work closely with specialists within mechanics, electronics, power electronics, software and project management to ensure that thermal and mechanical solutions meet performance, quality and cost targets.

The role combines advanced simulation work with hands-on engineering, making it ideal for someone who enjoys both analytical problem-solving and practical product development.

Your responsibilities

• Design and optimise air and liquid cooling solutions for components and systems.
• Set up, execute and analyse CFD simulations.
• Translate simulation results into clear and actionable design recommendations.
• Validate simulation models through testing and measurements.
• Support development teams with thermal and cooling expertise throughout the product lifecycle.
• Participate in mechanical design, development and review activities.
• Develop technical reports and share findings across engineering teams.
• Contribute to the development of new methods, technologies and simulation capabilities.
• Participate in technology and product development projects.

Your profile

You are curious by nature and enjoy collaborating with colleagues from different technical disciplines. You can communicate complex technical findings in a clear and practical manner and thrive in an environment where innovation and continuous improvement are part of everyday work.

Furthermore, you:

• Hold a B.Sc. or M.Sc. in Mechanical Engineering or a related field.
• Have a strong understanding of heat transfer, fluid mechanics and thermal management.
• Have experience with CFD simulation and numerical analysis tools.
• Have experience translating simulation results into product improvements and design decisions.
• Enjoy combining simulation work with mechanical product development.
• Communicate fluently in English, both written and spoken.

Why join DEIF?

At DEIF A/S, you’ll be part of a family-owned company with strong values and a culture built on trust, openness, and collaboration. You’ll experience a professional and highly engaged working environment, where we’re curious on each other’s perspectives and encourage respectful, honest dialogue that drives growth. Our strength lies in responsibility, teamwork, and the courage to innovate – that’s what drives us forward.

In addition to a role filled with exciting challenges, we offer you:

• A specialist position with significant technical influence across development projects
• The opportunity to work with cutting-edge technologies in state-of-the-art facilities
• On-the-job training and knowledge sharing with skilled employees
• Flexible work arrangements, including home office days
• In-house canteen and physiotherapist at our headquarters
• Fitness breaks, social events, and much more supporting your wellbeing.

Want to know more about working at DEIF? Visit our career page today!

Interested?

Send your application and CV as soon as possible on our website https://career.deif.com/recruitment/job-openings/. We expect interviews to be conducted on an ongoing basis.

If you want to learn more about the position, feel free to contact Department Manager, Ole Morsing, on e-mail omo@deif.com.

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