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Senior Data Engineer (d/w/m)

Köln, NORDRHEIN_WESTFALEN💼 Full-time🗓 2026-09-14 → 2026-09-29

Core

Building and operating the company's data backbone, including the Data Lake, BI platform on Databricks, and Airflow pipelines for metering and energy data.

Role type

Senior Data Engineer

Builds

Data Lake, BI platform on Databricks, Airflow pipelines, Postgres and time-series databases

Domain

Energy sector, Cloud infrastructure

Required skills

Data platform architecture, Databricks/Spark, Airflow, SQL, Postgres, Time-series databases (TimescaleDB), Python, AWS

Preferred skills

Managed Airflow (Astronomer), Hosted Databricks, Energy sector experience, German language

Technologies

Databricks, Spark, Airflow, Postgres, TimescaleDB, Python, AWS, Astronomer

Responsibilities

Design, build, and maintain Airflow pipelines for metering and energy data; Model and optimize Postgres and time-series databases; Ensure monitoring, alerting, and incident response for data reliability; Provide clean, structured data as a service to all squads; Drive technical evolution of the data platform by selecting and introducing new tools; Engage closely with the Data Science team to support their platform needs

Seniority

Senior, hands-on IC

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