Data Engineer Data Platform (f/m/d)

Ottobrunn, Bavaria, Germany; Parsdorf, Bavaria, Germany

Mission Brief

Your main objective will be to work hands‑on with our Data Platform, which consolidates all structured and unstructured test, flight, and process data from across the company. Your work will empower data‑driven decisions in various departments and enable us to generate valuable insights from cross‑departmental data.

• Build modern, scalable, and high‑performance solutions for our engineering data platform.
• Develop and deploy efficient ETL/ELT processes to ingest, transform, and load a large amount of data from diverse sources.
• Contribute to data modeling and architecture decisions to ensure consistency, availability, low latency, and long‑term maintainability of the data landscape.
• Ensure data quality through validation processes and adherence to data governance policies.
• Provide observability for the Data Platform processes, enabling a quick reaction to any disruptions.
• Author technical and user documentation.
• Guide less experienced engineers by sharing your knowledge and expertise.

Who you are and what you have

• Highly proficient with batch and streaming data processing
• Hands‑on experience with OLAP, DeltaLake and Iceberg storage frameworks
• Excellent SQL proficiency for data querying, transformation, and analysis
• Understanding of time‑series data and signal processing (e.g., sampling rates, decimation, frequency domains, and data integrity)
• Solid understanding of data architectures (lakehouse, warehouse, data streaming, medallion pattern)
• Practical experience with Apache Spark, PySpark, Python and DataFrame handling
• Experience with Data Platforms (e.g., Microsoft Fabric, Azure Data Factory, Databricks, or Snowflake)

Nice to Have (Optional)

• Experience with Python query engines (e.g., polars, duckdb)
• Experience with Kafka and Kafka‑related technologies (e.g., Apache Flink)
• Understanding of infrastructure, cloud services and network

Benefits

• Employee Participation Program Share in our success through our virtual company share program
• 30 days of vacation Enjoy the days off to relax and recharge
• Company pension plan Secure your future with our company pension plan, featuring a 20% employer contribution after the probation period
• Subsidised lunch Stay energised with delicious, subsidised lunches every day
• Public transport ticket Commute with ease using a fully financed Deutschlandticket
• Sport Clubs membership Stay fit with our sponsored sports club memberships (EGYM Wellpass)
• Individual learning allowance Grow your skills with an individual learning budget granted after the probation period
• Childcare allowance Receive a childcare allowance for your non‑school‑age children
• And Much More! Discover additional perks and benefits when you join our team

About Us

We are Isar Aerospace, building a modern space business to enable faster, better, and cheaper access to space. Our mission is to help democratise space and use it for good to improve life on Earth now and for future generations. We are a fast‑growing company creating sustainable and environmentally friendly launch solutions for small and medium‑sized satellites and constellations into Low Earth Orbit.

Equal Opportunity Employer

Isar Aerospace SE is an equal‑opportunity employer committed to fairness and inclusivity. We do not prioritize any specific religion, gender, nationality, or background. Due to security clearance requirements, affiliations with countries listed under § 13 para. 1 no. 17 SÜG may affect the application process. All qualified applicants are encouraged to apply.