Data Engineer

Company Description 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.

Right in the heart of Vattenfall, at Business Area (BA) Markets, you will find an inspiring international environment, with a culture of care and personal growth, enabling you to be who you are, having fun, building strong relationships and learning every day. Find out what our colleagues think about our culture: https://youtu.be/\-9qGrDUCptA

We employ around 500 professionals who are active across Europe with offices in Sweden, Germany, The Netherlands, and the United Kingdom to drive the energy transition together. Our role in Vattenfall is to maximize the value of the overall portfolio by optimizing and dispatching, hedging, and sourcing for Vattenfall's sales and generation volumes. We serve as Vattenfall’s single access to energy commodity markets and trade electricity, emissions, fuels, freight, and renewable certificates.

In BA Markets the mission of the Unit OU Operations is to drive the digital transformation. OU Operations consists of diverse and highly skilled employees from more than 20 countries. We work internationally from our locations in Stockholm, Hamburg and Amsterdam.

Job Description

As our new Data Engineer, you will work in the MCP Data agile team, responsible for building and maintaining the core data layer used across BA Markets.

We are hiring a Data Engineer to join us in our journey of strengthening how we make data available for automated decision making and ad\-hoc analysis. Data is critical for our business and providing the needed data in a well\-structured, reliable and easily accessible way is key to our business success.

We work in an agile setup with team members in multiple locations collaborating and working closely with users of the data for maximum impact.

What you will do

• Design and maintain reusable, well‑structured data products using Python


• Ingest and process internal and external data such as weather data and market prices


• Ensure reliability and quality of data feeds through monitoring, alerting and validation


• Make data discoverable, well documented and aligned with data standards


• Develop deep domain knowledge of key datasets and become a recognised expert supporting users in understanding and working effectively with data


• Continuously improve the structure, usability and reusability of existing datasets


• Contribute to evolving our modern, agentic coding setup

• Strong Python programming skills.


• Experience working with data in a production environment with high reliability requirements.


• Experience designing schemas and structured data models.


• Practical experience with production pipelines; debugging and maintaining live systems.


• Ability to translate business/data requirements into robust data structures.


• Interest in energy markets and an enthusiasm for developing an understanding around the underlying data. Prior experience in this area is an advantage.


• A passion for being an expert in data!


• Fluency in English.

At Vattenfall, you work in an environment where your ideas and contributions matter.

• A meaningful role with direct impact on energy market decisions


• The opportunity to influence how data is structured and delivered across Markets


• Work with modern technologies in a production environment


• Collaboration in an international, agile and supportive setting


• Flexible working conditions and a strong focus on work‑life balance


• Opportunities to grow your skills, expertise and interests over time

We welcome your application in English, no later than 3rd of July 2026. We kindly request that you do not send applications by any means other than via our website as we cannot guarantee that we will be able to process applications that are not made via our website.

For more information about the recruitment process you are welcome to contact our Recruiter Jil Ungethüm via phone at \+49 40 79022 1378\.

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.

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. The screening will be performed by a third party, called DISA. In addition, a certificate of good conduct (i.e. criminal record certificate) is required for certain positions.

The trade union representatives in Sweden can be reached via Vattenfall´s switchboard \+46 8 739 50 00\. Sven\-Gunnar Gremlin, Akademikerna and Anders Bohlin, Unionen.

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

We look forward to receiving your application!

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