Wind Farm System Designer (Junior/Advanced Engineer)

Can you turn complex data into decisions that shape the future of offshore wind? At Vattenfall, there is a way. A way to accelerate the energy transition through innovation, collaboration and smart decision-making. As a Wind Farm System Designer, you will help define the design and value of some of Europe's largest offshore wind projects, influencing investment decisions worth billions of euros and contributing directly to a more sustainable energy system. Business Area Wind Within Business Area Wind, we develop, build and operate wind farms both onshore and offshore to accelerate the growth of renewable energy. We bring together international expertise, technological innovation and operational excellence to deliver world-class energy projects that support the transition to a more sustainable future. Our System Design team combines engineering, economics, costing, sustainability and data science competencies. Investigating innovative technologies, regulatory framework, cost and price projections, we identify opportunities across Vattenfall's offshore wind portfolio from early stage of wind farm development to repowering. Your role / what will you do? As a Wind Farm System Designer (Junior/Advanced Engineer), you will transform complex technical and economic information into actionable insights that influence product, project and portfolio strategies. Working closely with experts within interdisciplinary teams, you will perform techno-economical assessments to create value while supporting the continued growth of renewable energy. Your responsibilities include: Performing techno-economic assessments to evaluate offshore wind farm concepts, quantify key value drivers, and support strategic project and portfolio decisions. Developing offshore wind farm designs, balancing energy production, cost, technical feasibility, environmental constraints, and project requirements. Driving levelised energy cost and value improvement opportunities by challenging assumptions, exploring innovative concepts, and identifying optimisation potential across projects and products. Translating complex technical, economic and market information into clear recommendations through executive level reporting. Building data-driven analyses and automation solutions using Python, AI-enabled tools, and modern analytics platforms to improve decision quality and operational efficiency. Developing neutral reference cases to evaluate future technologies, enabling stakeholders to make informed decisions based on robust, transparent and unbiased analysis. Your profile / who are you? You are someone who enjoys tackling complex challenges and finding practical solutions. You take ownership of your work, follow through on commitments, and are always looking for ways to improve how things are done. You thrive in a collaborative environment where different perspectives are valued and where open, honest communication helps build trust and strong relationships. Curious by nature, you are not afraid to challenge assumptions and explore new ideas. Above all, you want your work to have a real impact. You are motivated by contributing to a safe, inclusive workplace and by playing a meaningful role in the energy transition. We believe you'll be successful in this role if you have: A Master's degree in Engineering, Economics, Data Science, Mathematics, Physics or another relevant field. A PhD is considered an advantage. Experience within a technical, innovation-driven or cost-engineering environment. Strong problem-solving capabilities and the ability to convert complex information into business insights and recommendations. An interest in renewable energy and the energy transition. Experience in offshore wind or a related industry is beneficial. An interest in Python and applying AI-enabled tools to improve efficiency and support decision-making. Excellent communication skills and fluency in written and spoken English. It is considered an advantage if you also have: Experience from offshore wind, renewable energy, infrastructure, consulting or other capital-intensive industries. Knowledge of business cases, modelling, optimisation, portfolio analysis or techno-economic assessments. Experience working in project, programme or portfolio environments. Knowledge of tools such as Power BI, Excel, database or comparable data and analytics platforms. Location: Solna, London, Kolding, Hamburg Our offer Good remuneration, a challenging and international work environment, and the possibility to work with some of the best in the field. You will be working in interdisciplinary teams and you can always count on support from committed colleagues. We offer attractive employment conditions and opportunities for personal and professional development. More Information We welcome your application in English, no later than, October 9th 2026. We kindly request that you do not send applications by any means other than via our website and that you refrain from submitting a cover letter with your application. You apply quickly and easily by answering screening questions and attaching your CV. For more information about the recruitment process you are welcome to contact our recruiter Anne Vriesema via At Vattenfall we are convinced that diversity contributes to build a more profitable and attractive company and we strive to be 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. We look forward to receiving your application! Vattenfall is a European energy company with approximately 21 000 employees. For more than 100 years we have electrified industries, supplied energy to people’s homes and modernized our way of living through innovation and cooperation. We are looking for talented individuals who, in addition to their passion for their own role, also have strong team spirit and want to contribute to supporting a meaningful corporate mission.