Data Engineer

Almere Staff WO HBO 5-10 years of experience

Build the data platform for the future of Alfen!

Location: The Netherlands | Company: Alfen

At Alfen, we are at the forefront of the energy transition. We build smart energy solutions that enable a sustainable future—ranging from EV charging infrastructure to energy storage systems and grid solutions. To support our growing data landscape, we are looking for a Data Engineer to join our Enterprise Platform Team.

Your Role

As a Data Engineer, you will play a key role in designing, building, and maintaining robust data structures and pipelines across both our operational systems and analytical data platform. You ensure that our data is reliable, secure, high-performing, and accessible—empowering teams across Alfen with actionable insights.

You will work with a diverse range of data sources, including ERP, HR, service desk systems, and IoT data from our advanced battery solutions.

What You’ll Do

Design, build and maintain databases and data pipelines across operational systems and the analytical platform

Develop and optimise Microsoft SQL Server environments (T-SQL, stored procedures, ETL/ELT pipelines)

Build and integrate data solutions using Python and modern data engineering tools

Performance, Security & Quality

Ensure high performance, scalability, and security of databases

Implement indexing, backup, and recovery strategies

Safeguard data quality through validation, monitoring, and lineage tracking

Monitor system performance and resolve incidents proactively

Delivery & Collaboration

Support releases, migrations, and ongoing improvements of the data platform

Collaborate in IT projects and contribute to the data roadmap

Work with tools such as Microsoft SQL Server, Matillion, Snowflake, Azure Analysis Services, and Power BI

Participate in on-call duties when required

Evaluate and implement new technologies and data engineering best practices

Document data models, pipelines, and flows for transparency and scalability

Maintain standards for naming conventions, version control, and deployment

What You Bring

Bachelor’s or Master’s degree (or equivalent) in IT, Data, Computer Science, or similar

5+ years of experience in IT/technology roles, including 3+ years in data-focused positions

Strong expertise in SQL Server (T-SQL, stored procedures)

Experience with programming languages such as Python, R, C#, Java or similar

Hands‑on experience with data warehousing, dimensional modelling, and ETL/ELT processes

Experience with Snowflake and Matillion is a strong plus

Knowledge of database performance, security, and optimisation

Understanding of operational vs analytical data environments

Strong communication skills in English and Dutch

Who You Are

Analytical and detail-oriented

Proactive with a strong sense of ownership

Customer‑focused with strong stakeholder awareness

Organized and able to manage multiple priorities

A clear communicator who enjoys collaboration

Why Alfen?

Work on impactful solutions that accelerate the energy transition

Be part of an innovative, fast‑growing technology company

Collaborate with passionate professionals in a dynamic environment

Opportunities for growth, learning, and innovation

What do we offer you?

• Competitive salary and excellent benefits (Metalektro CLA).
• 27 vacation days + 13 additional days, with the option to sell 10.
• Hybrid working (up to 2 days/week).
• Company laptop.
• Access to online learning.
• AlFun and Young Alfen activities.
• Sports activities and fitness options.
• PME pension plan with strong employer contribution.
• Travel allowance of €0.23 per km (max 50 km one‑way).