Junior Mechanical Engineer (Polymer engineering and composites)

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

Job summary

Trinseo Netherlands B.V. is seeking a motivated engineer to join the Global Innovation Center in Terneuzen.

You will take end-to-end responsibility for translating requirements into manufacturing and test equipment, conducting trials, and analyzing results to strengthen GIC Terneuzen's capabilities in polymer processing and manufacturing technology. The role offers hands-on work across injection molding, extrusion, thermoforming, and related processes, with collaboration across R&D and customer

Qualifications

• Bachelor's degree in mechanical engineering or related field with emphasis on mechanics and polymer processing.
• 1-3 years of work experience preferred in polymer processing or manufacturing environments.
• Familiarity with polymer processing, testing, and machine design is advantageous.

Responsibilities

• Lead investigations and develop manufacturing technologies (injection molding, extrusion, thermoforming, compression molding, overmolding).
• Translate customer requirements into practical manufacturing and testing solutions.
• Develop specialized test methods to meet evolving needs.
• Design, validate, operate, and maintain manufacturing and test equipment.
• Document trial results accurately and communicate findings.
• Collaborate across R&D and customer projects and participate in DoE.
• Work with technologists to link process, morphology, and material performance.

Skills

Lab work

Problem solving

Independent work

Communication in English

Team collaboration

Education

Bachelor's degree in mechanical engineering

Related field with polymer processing

Tools

CAD

Programming

PLC systems

Automation experience

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.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, youwill 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.