Project Development Engineer

The UK business is growing successfully in the rapidly developing district and decentralised heat market in the UK. You will become a member of the fast-growing Engineering Team and will play a key role for developing and delivering the technical solution for low carbon heating and cooling networks. In our solutions, heat networks and power networks are integrated and digitalized, generation technology is low and zero carbon, and customers are provided with a high level of service, underpinned by Vattenfall’s long experience in operating decentralized networks across Europe, where we serve 600,000 heat customers.

This is an exciting opportunity to develop and deliver solutions for city wide district heating and cooling developments from opportunity to concept stage. You will have an exceptional understanding of good engineering design principles, awareness around heat networks commercial principles and have excellent stakeholder management skills. To be successful in this role you will have experience in delivering technoeconomic solutions through different project stages.

As part of our fast-growing Engineering Team, you’ll:

• Design and develop city-wide district heating and cooling networks.
• Create smart, zero-carbon energy solutions using technologies like heat pumps and heat exchangers.
• Model system performance and optimise lifetime efficiency.
• Collaborate with commercial, delivery, and operations teams to bring projects from concept to reality.
• Ensure safety, quality, and compliance across all technical designs.
• Engage with stakeholders including local authorities, developers, and suppliers.

• A degree in mechanical, chemical, energy or process engineering.
• Experience in district heating/cooling, energy systems, or EPC projects.
• Strong design and modelling skills (hydraulic/process modelling, Python is a plus).
• Knowledge of UK building regulations and heat network standards (CIBSE CP1).
• Excellent communication and stakeholder management skills.
• A collaborative, entrepreneurial mindset with a passion for sustainability.

Our offer

Looking for a role where your superpowers can be leveraged to the maximum and with limitless opportunities for growth?

The scale and ambition of our wind, battery and solar business means you can really find your element with us. We’ll also provide you with all the learning and development you need to expand your horizons.

We strive to be the best place to work in the industry with highly competitive pay and conditions and an open, supportive culture. A commitment to a healthy work-life balance aims to ensure everyone plays to their strengths, whatever their background and experiences.

More Information 

For more information about the recruitment process you are welcome to contact our recruiter Adam Hammond via Adam.hammond@vattenfall.com.  

We welcome your application in English no later than 28/09/2025. We kindly request that you do not send applications by any means other than via our website. 

At Vattenfall we are convinced that diversity contributes to building a more profitable and attractive company and we strive to be a good role model regarding diversity. Vattenfall works actively for all employees to have the same opportunities and rights regardless of gender, ethnicity, age, transgender identity or expression, religion or other belief, disability or sexual orientation. Click here for further information. 

The security of Vattenfall and its employees is essential. For that reason, a pre-employment screening will be part of your recruitment process. The screening is based on the role you will fulfill within Vattenfall and will be performed by a third party, Validata. 

Since Vattenfall is a part of the Swedish critical infrastructure, many of our services are security classed. If this position is security classified the final candidates might be subject to a security vetting process, according to Swedish legislation. 

We look forward to receiving your application! 

Vattenfall is a leading European energy company driving the transition to a sustainable energy system. We have been electrifying industries, powering homes and transforming life through innovation for more than 100 years. We employ around 21 000 people mostly in our core markets in Sweden, Germany, the Netherlands, Denmark, and the UK.