
Apprentice Process Mechanic for Plastics and Rubber Technology (m/f/d)
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!
What you bring
- You’re fascinated by technical processes and enjoy working in a manufacturing environment;
- You want to produce products you can later spot on supermarket or DIY store shelves;
- You have a knack for practical tasks and enjoy hands-on work;
- You're curious and want to understand both practical applications and theoretical principles;
- You’re excited to become part of a motivated and supportive team that faces new challenges every day;
- Fluency in German is required; knowledge of English is an advantage.
What to expect
During your 3-year apprenticeship as a Process Mechanic for Plastics and Rubber Technology, you’ll learn everything you need to know to manufacture high-quality plastic packaging. You’ll rotate through all departments of our production – from quality assurance and toolmaking to machine changeovers and production monitoring. At the same time, you’ll gain theoretical knowledge at vocational school.
Would you like to get some hands-on experience in advance? No problem! We offer the opportunity to get to know us through an internship and gain a first impression of our work.
What matters to us
We place great value on a friendly and cooperative working environment and appreciate a willingness to constantly learn. Reliability and a sense of responsibility are just as important to us as a committed and proactive approach to work. We are looking for curious individuals with motivation and perseverance who want to build a future-proof career in the plastics industry.

Our offer
We offer you a long-term perspective in a growing company with a stimulating and varied working environment. Here, you can contribute your expertise using modern equipment and continue to develop professionally. As a family-run business, we value flat hierarchies and short decision-making paths – teamwork is just as important to us as your personal freedom to grow. Also:
- Performance-based pay and attractive social benefits (e.g. capital-forming benefits, direct insurance via salary conversion);
- 30 days of annual leave, plus holiday allowance;
- A standard five-day working week;
- Attractive overtime compensation, either as pay or time off in lieu (TOIL);
- Personal development opportunities and internal career planning;
- Provision of full workwear, including safety shoes;
- Laundry allowance;
- Job bike leasing;
- Daily fresh fruit basket;
- Recreational allowances;
- Corporate benefits scheme;
- Company health management.
About Joh. Sieben GmbH
Joh. Sieben GmbH is a dynamic, medium-sized company, based in Heinsberg. With around 100 dedicated employees, we are proud to produce high-quality plastic packaging for renowned clients. Our core focus lies in Extrusion Blow Moulding (EBM) and Single-stage Injection Stretch Blow Moulding (ISBM) – all within the B2B sector.
Our products are primarily used in the cosmetics industry, the food sector, and by manufacturers of chemical-technical cleaning and household products.
