Working at Joh Sieben

Join Joh. Sieben in Heinsberg! Be part of a family-run team crafting innovative plastic packaging for global brands. Apply now and grow with us!

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Production Operative (m/f/d)

Full-time

All studies

2- or 3-shift operation

Support our production with safe operation of extrusion blow moulding machines (EBM), careful packaging and clear quality checks. Together, we ensure a smooth and reliable workflow in a two-shift or three-shift system!

Material Preparation Employee (m/f/d)

Full-time

All studies

3-shift operation

Our Material Preparation Department is the heart of production! It ensures that the Extrusion Blow Moulding (EBM) process is reliably, cleanly, and efficiently supplied with all required raw materials at all times. To strengthen our team, we are looking for a committed employee (m/f/d) who takes responsibility and works with us to ensure smooth operations.

Apprentice Process Mechanic for Plastics and Rubber Technology (m/f/d)

Full-time

All studies

Day shift

Curious about how everyday plastic products are made? Start your career with us as an Apprentice Process Mechanic (m/f/d) and learn how to turn raw materials into packaging you’ll see on store shelves!

Plant and Machine Operator (m/f/d)

Full-time

Specific study

3-shift operation

As a Plant and Machine Operator, you’ll set up, run, and optimize our Extrusion Blow Moulding (EBM) and Single-stage Injection Stretch Blow Moulding (ISBM) machines—ensuring top quality and efficiency every step of the way.