International Trainee - Hydro Power Optimisation and Data Analytics
Vattenfall AB / Marknadsföringsjobb / Luleå
2026-09-17
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Vattenfall is one of Europe's largest producers and retailers of electricity and heat. Our main markets are Sweden, Germany, the Netherlands, Denmark, and the UK. The Vattenfall Group has approximately 21 000 employees. We have been electrifying industries, powering homes, and transforming life through innovation for more than 100 years.
Job Description
Shape the future of energy
Are you ready to challenge the status quo, bring fresh perspectives, and contribute to solving one of society's most important challenges? We are looking for talented graduates to join the Vattenfall International Trainee Programme. This is your opportunity to accelerate your development, build a strong network across Vattenfall, and contribute to the energy transition from day one.
About the traineeship
This traineeship offers you a unique opportunity to kickstart your career in sustainable business. Each trainee position is distinct, tied to a department within a specific business area, and working location. Each position has its own tailored responsibilities, challenges, and matching profile.
What you will experience
Personal and professional growth: Accelerate your development through structured learning, reflection, networking opportunities and real business challenges
Cross-functional network: Connect with trainees and colleagues across Vattenfall's different markets, business areas and locations through program activities, site visits and cross-functional collaboration
Meaningful contribution: Take on real responsibilities from day one, contribute fresh perspectives, and help shape the future of fossil free living.
As Joakim, a former International Trainee based in Stockholm explains "I expected beforehand that working at a corporate would mean only serious business. We do focus on learning and growth and bringing new perspectives to the company, but we also have fun and add humor and lightness. I feel like we are the change the company wants to see."
Your role as a Trainee Hydro Power Optimisation and Data Analytics Engineer
As a Hydro Power Optimisation and Data Analytics Engineer Trainee, you will join Production Support, a specialist and development function that supports safe, efficient and flexible hydropower production through optimisation, data analysis, digital tools and common working methods.
You will work closely with optimisation and development engineers, as well as colleagues in Production, Control Centres, Asset Management, IT and Markets. Together, you will turn operational and market-related needs into analyses, decision support and practical improvements for the operation of our generating units.
The role combines analytical problem-solving with hands-on development. You will use production and measurement data to evaluate performance, identify deviations and improvement opportunities, and contribute to the development of optimisation models, system services, forecasts, visualisations and data-driven working methods.
This is an opportunity to build broad expertise at the intersection of hydropower operations, energy markets, engineering and digitalisation, while contributing to increased flexibility, availability and long-term value from our hydropower assets.
Examples of your tasks and responsibilities:
Analyse production, operational and market-related data to identify trends, deviations and opportunities for improved performance
Support optimisation of generating units, water use and ancillary services through calculations, simulations and structured evaluation
Develop and improve analytical models, dashboards, visualisations and decision-support tools
Contribute to production analyses and technical studies for plant upgrades, operational changes and investment decisions
Work with data quality, measurement data and requirements for reliable and reusable data products.
Qualifications
Requirements for this trainee position
A Master of Science in Engineering or equivalent degree in a relevant field, such as Energy Engineering, Electrical Engineering, Engineering Physics, Applied Mathematics, Computer Science or Data Science
Knowledge of data analysis, statistics, optimisation, modelling or simulation
Experience from programming or analytical tools, for example Python
Be fluent in Swedish and English; proficiency in additional languages is considered a merit.
You also recognize yourself in
You approach complex questions in a structured and analytical way, and can turn data into clear conclusions
You have an interest in optimisation, digital solutions, and how they create operational and business value
You are curious, proactive, and motivated to test new methods while maintaining quality and reliability
You enjoy collaborating across professional boundaries, and can communicate technical findings to different audiences
You take responsibility, share knowledge, and are motivated by creating practical improvements for the business
You are motivated to combine engineering knowledge, data and collaboration to improve hydropower production.
Whether you aspire to become an energy specialist, project manager, digital expert, engineer or future leader, the International Trainee Programme offers opportunities to explore your potential and build a meaningful career.
As Cato, a former International Trainee based in Amsterdam, mentions, "I feel we are part of leading the change in the energy transition. At Vattenfall we can contribute by adding our individual competencies and core values. I learn how to build relations and be resilient in an international organization."
To be considered for Vattenfall's trainee programme, you should:
Have completed, or expect to complete, an academic degree before the program starts in March 2027
Have no more than one year of relevant work experience after graduation, excluding internships and working-student roles
Be available for the full-time program from its start date
Have the right to work in the country where the position is based, or meet the stated work-permit requirements
Be open to mobility opportunities, and collaboration across different locations
Demonstrate curiosity, initiative, and growth mindset while sharing our values: Active, Open, Positive, and Safe.
Additional Information
Location
This position is located in Luleå, Sweden. You will work within Production Support in Business Unit Hydro Nordics.
Our offer
"Vattenfall provides me with the steepest learning curve."
Så ansöker du Sista dag att ansöka är 2026-10-18
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Arbetsgivare Vattenfall AB (org.nr 556036-2138)
Luleå (
visa karta)
977 75 LULEÅ
Arbetsplats Luleå
Jobbnummer 10093466