Internship at R&D Department

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Sion, Valais, Switzerland

Full time

What we offer

6 months internship in a stimulating working environment

Being part of an international team in the heart of the Swiss Alps

Learning practical, on-the-job, chemical & process engineering skills

Become involved in the scaling up of new recycling technologies

Making the first steps in the cleantech & sustainability industry

WHY WE ARE LOOKING

As an intern in DePoly’s R&D Department, you will support ongoing activities in our PET plastic recycling laboratory. You will work alongside chemists and engineers to help design, develop, and optimise processes and equipment for scale-up to our commercial plant.

YOUR Responsibilities

Work as a part of a multidisciplinary team of chemists and chemical engineers in a laboratory environment

Execute daily laboratory experiments and tasks under the guidance of lab supervisors

Support R&D and quality control projects, collaborating closely with scientists and engineers

Contribute to the optimisation of processes and unit operations for DePoly’s commercial PET recycling plant

Accurately document experimental procedures, results, and observations

Assist in data analysis and reporting to support decision-making and process improvements

YOUR SKILLS

Enrolled in a degree program in Chemistry, Materials Science, or Chemical Engineering

Hands-on experience in a wet chemistry laboratory

Proven ability to multitask by managing concurrent experiments while maintaining accuracy and efficiency in a fast-paced lab environment

Demonstrated strong sense of responsibility by strictly following laboratory protocols, accurate record-keeping, and safe chemical handling

Able to manage your own work and stay organised, while asking for guidance when needed

Curious and willing to learn, with a hands-on approach to picking up new responsibilities

Strong team player with good communication skills

Fluent in English; knowledge of French is a plus

Eligible to work in Switzerland (Swiss work permit or equivalent)

Nice to have: Familiarity with different analytical techniques such as UV-Vis, FTIR and NMR

Is this a position for you? Send us your application!

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Internship at R&D Department

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We are no longer accepting new candidates for this role.

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DePoly’s technology recycles unsorted, dirty PET waste into virgin-grade raw materials. Those PET precursors, PTA and MEG, are used by the industry to produce new plastics without the need for fossil fuels, while diverting valuable materials from landfills and incineration.

DePoly SA –
HQ
Rue de l'Industrie 23, 1950 Sion, Valais, Switzerland

DePoly SA –
Showcase Plant
Route de l'Ile au Bois, 1870 Monthey, Valais, Switzerland

DePoly’s technology recycles unsorted, dirty PET waste into virgin-grade raw materials. Those PET precursors, PTA and MEG, are used by the industry to produce new plastics without the need for fossil fuels, while diverting valuable materials from landfills and incineration.

DePoly © 2025

This operation benefits from support from the European Union under the InvestEU Fund