Tensai Furniture is recruiting a **Polymer Engineer (m/f/d)** for its new INDUSTRIAL UNIT in Estarreja. If you have technical rigor, a results-driven mindset, and a desire to optimize processes — this challenge is for you. **The Challenge:** \- Production management in the field of polymers (plastic injection); \- Processing and transformation of polymers and their derivatives; \- Definition and optimization of injection parameters on manual and automatic machines; \- Support and coordination with product engineering during industrialization of new projects; \- Analyze waste, parameter records, and laboratory tests to determine root causes of issues and develop appropriate corrective actions; \- Solid knowledge in polymer production, particularly regarding polymer chemistry, technologies, and production processes; \- Ensure compliance with existing work procedures and instructions within the department; \- Ensure achievement of defined KPIs for the department; \- Ensure adherence to the production schedule; \- Propose and implement improvements to the production process and new investments; \- Coordinate projects within your area of expertise. **Who We Are Looking For:** \- Bachelor’s or higher degree in Polymer Engineering, Production Management, or related field; \- Experience as Process or Production Engineer in plastic injection (preferential); \- Work experience in design and maintenance of injection molds, and injection simulation; \- Experience in team management; \- Knowledge of statistics and data analysis; \- Fluent in English (spoken and written – preferential); \- Ability to read and interpret technical drawings; \- Familiarity with SAP software (preferential); \- Proficiency in MS Office applications; **What We Offer:** \- Integration into a leading and innovative company in the polymer sector; \- Collaborative and dynamic work environment with multidisciplinary teams; \- International projects and real growth opportunities; \- Corporate culture based on sustainability, quality, and excellence. **Application:** Send your CV and Cover Letter with reference (POLIMEROS\_2025\) to: **rh@tensai.pt** Selected candidates will be contacted within a maximum of one month. If not contacted, please note that under data protection regulations, your information, cover letter, and CV will be deleted. Learn more about us at: **www.tensaifurniture.pt** and **www.tensai.pt** Type of offer: Full-time