* 30 April 2026 * 100% * Permanent position * Seon Join Three-Tec GmbH as an AVOR / PPS / Einkauf employee! Enjoy a dynamic work environment with great benefits. Tasks * Prepare and plan production processes efficiently. * Monitor and manage production orders and inventory levels. * Collaborate closely with suppliers and optimize procurement conditions. Skills * Technical education and experience in work preparation required. * Strong understanding of technical processes and workflows. * Proficient with ERP systems and MS Office tools. Employee AVOR / PPS / Purchasing (m/f/d) 80-100 % Full-time and part-time at Three-Tec GmbH in Seon Three-Tec is the specialist in the development and production of dosing systems, extruders and process equipment for process engineering. We offer our international customers from all demanding industrial sectors a comprehensive range of quality products, complemented by competent advice as well as fast, reliable and individual service. We are solid, independent and owner-managed - and somewhat different, but in a good way. We mainly carry out customer-specific orders and are a young, motivated team. We work with flat hierarchies and a flexible organisation. Our development and design create new solutions for our customers and we demonstrate our capabilities to customers in our two test laboratories. In our workshop, we manufacture parts for our own products. In assembly, these components are assembled and tested into finished machines and systems. Our automation builds control cabinets and programmes the systems. Afterwards, commissioning takes place at our customers worldwide. If you want to find an exciting, challenging and varied area of responsibility in the growing markets of the pharmaceutical, food, chemical and plastics industries, then we can offer you an interesting position as Employee AVOR / PPS / Purchasing (m/f/d) 80-100 % Your main tasks: * Work preparation, production planning and control * Recording and deadline monitoring of production orders * Purchasing * Creating production lists, bills of materials and production documents * Monitoring stock levels / minimum stock levels * Maintenance and updating of article and supplier master data * Supplier management and optimisation of purchasing conditions with suppliers * Calculation and determination of manufacturing costs * Ongoing maintenance and further development of the ERP system (SelectLine) * Continuous process optimisation * Close cooperation with internal interfaces Your profile: * Completed basic technical training * Further training or in training as a process specialist or similar (HF level) * Professional experience in work preparation * Good understanding of technical contexts and manufacturing processes * Structured and methodical approach with very independent and reliable working style * Commitment, flexibility and resilience * Confident handling of ERP systems and common MS Office programmes * Entrepreneurial thinking and acting with a team-oriented and friendly manner * Good German skills in spoken and written form We offer: * Varied and project-related work on exciting customer projects * An exciting and challenging area of responsibility in an innovative, stable and sustainably growing company with 50 employees * Above-average employment conditions and attractive social benefits * A young, motivated team * A modern, light-flooded company building, only 8 minutes from the Lenzburg and Aarau West motorway exits We look forward to receiving your complete application with photo (direct applications are preferred).