Junior Mechanical Engineer (Polymer engineering and composites)

Trinseo; Terneuzen; On-site; EUR 42,000 - 65,000; Full time

Job summary

Trinseo Netherlands B.V. seeks a motivated engineer to join the Global Innovation Center (GIC) in Terneuzen.

You will help address technical challenges in advanced specialty and sustainable material solutions, taking on end-to-end responsibility from requirements to equipment design, trials, and analyses. You will support ongoing R&D activities, strengthen GIC Terneuzen’s capabilities in polymer processing and manufacturing technology, and gain deep technical experience within a leading global

Qualifications

• Minimum Education Required: Bachelor's degree in mechanical engineering, production technology, polymer engineering, plastics engineering, or a related field with a focus on mechanics and polymer processing
• Minimum Experience: 1-3 years work experience are preferred
• Familiarity with polymer processing and testing
• Experience in machine design and automation
• Experience in composite is a strong plus
• Proficiency in CAD, programming, and PLC system
• Enjoyment of hands-on lab work and problem solving
• Independent, reliable, and solution-oriented working style
• Ability to manage multiple priorities and meet deadlines
• Curious mindset with a genuine interest in learning new materials, techniques, and equipment
• Strong communication skills in English, with Dutch as a plus

Responsibilities

• Lead technical investigations and develop advanced manufacturing technologies, such as injection molding, extrusion, thermoforming, and compression molding and overmolding for new formulations, materials, and applications
• Translate internal and external customer requirements into practical solutions for manufacturing, testing, and quality control
• Develop specialized physical and mechanical test methods to meet evolving technical needs
• Design, validate, operate, and maintain tailored manufacturing and test equipment
• Document and communicate trial results accurately and comprehensively
• Actively contribute to cross-functional projects involving R&D, and customers
• Steer DoE with internal and external stakeholders
• Work closely with technologists to establish correlations between process, morphology, and material performance

Skills

Hands-on lab work

Problem solving

Multitasking

English communication

Independent working style

Curious mindset

Time management

Polymer processing familiarity

Machine design & automation

Education

Bachelor's degree in mechanical/related field

Tools

CAD

Programming

PLC systems

Job description

Overview

Trinseo is a different kind of global materials company – at the intersection of people, technology, and customers. We are a world leader in the production of plastics and latex binders. Our culture is built on passion and innovation.

Overview

Trinseo is a different kind of global materials company – at the intersection of people, technology, and customers. We are a world leader in the production of plastics and latex binders. Our culture is built on passion and innovation.

A career at Trinseo presents a unique opportunity to work in a highly collaborative environment. Helping customers solve their most complex material challenges is the reason we come to work each day. We are seeking innovative thinkers – ready to tackle any challenge and passionate about delivering value.

As a global materials solutions provider focused on delivering innovative and sustainable solutions to our customers, we need people to feel respected and included so they can be more creative, innovative, and successful. We strive to create workplaces that reflect all communities and customers we serve and where everyone feels empowered to bring their full, authentic selves to work. That's why we're fully committed to inclusion across race, gender, age, religion, identity, and experience to drive us forward every day.

Trinseo Netherlands B.V. is seeking a motivated employee to join the Global Innovation Center (GIC) in Terneuzen. In this role, you will help address technical challenges related to the development of advanced specialty and sustainable material solutions. You will take on end-to-end responsibility, from understanding and translating requirements to designing manufacturing and test equipment, conducting trials, and performing analyses. By supporting ongoing R&D activities, you will play an important role in strengthening Trinseo’s business growth and enhancing GIC Terneuzen’s capabilities in polymer/composite processing, manufacturing technology, and testing . This position offers a hands‑on opportunity to contribute to innovative material and process development while gaining deep technical experience within a leading global research environment.

Responsibilities

• Lead technical investigations and develop advanced manufacturing technologies, such as injection molding, extrusion, thermoforming, and compression molding and overmolding for new formulations, materials, and applications
• Translate internal and external customer requirements into practical solutions for manufacturing, testing, and quality control
• Develop specialized physical and mechanical test methods to meet evolving technical needs
• Design, validate, operate, and maintain tailored manufacturing and test equipment
• Document and communicate trial results accurately and comprehensively
• Actively contribute to cross‑functional projects involving R&D, and customers
• Steer DoE with internal and external stakeholders
• Work closely with technologists to establish correlations between process, morphology, and material performance

Qualifications

• Minimum Education Required: Bachelor's degree in mechanical engineering, production technology, polymer engineering, plastics engineering, or a related field with a focus on mechanics and polymer processing
• Minimum Experience: 1-3 years work experience are preferred
• Familiarity with polymer processing and testing
• Experience in machine design and automation
• Experience in composite is a strong plus
• Proficiency in CAD, programming, and PLC system
• Enjoyment of hands‑on lab work and problem solving
• Independent, reliable, and solution‑oriented working style
• Ability to manage multiple priorities and meet deadlines
• Curious mindset with a genuine interest in learning new materials, techniques, and equipment
• Strong communication skills in English, with Dutch as a plus

Equity And Inclusion

With our expanding global presence, cross‑cultural insight and competence are essential for our ongoing success. We believe that a diverse workforce contributes different perspectives and creative ideas that enable us to continue to improve every day. Race, gender, ethnicity, country of origin, age, personal style, sexual orientation, physical ability, religion, life experiences and many more factors contribute to this diversity.