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Working Student (all genders) – Mineral Laboratory

Support MC-Bauchemie Müller GmbH & Co. KG’s mineral laboratory in Bottrop by preparing experiments, testing raw materials, formulations and products, documenting results, and helping develop sustainable construction-chemical solutions. The role offers structured onboarding, mentoring and up to 20 hours per week for students of civil engineering, chemistry or

This position is directly relevant if you study civil engineering, chemistry or materials science/materials engineering and can commit to a possible assignment duration of at least one year. It offers supervised laboratory practice, experiment documentation and the opportunity to apply theoretical knowledge to sustainable construction-chemical products, with up to 20 hours per week stated.

Location
Not Specified, Nordrhein-Westfalen, Germany
Pay
Not listed
Hours
Not listed
Language
German may be required
Apply method
Coolblue website
Posted
12 Oct 2026
Open until
Not listed

Role and employer

MC-Bauchemie Müller GmbH & Co. KG is looking for a Working Student (all genders) to support its mineral laboratory in Bottrop. The vacancy presents the role as an opportunity to develop formulations, test their properties in the laboratory and help shape construction-material solutions. It also introduces Jannik Elspaß, who has been with MC since 2015. MC-Bauchemie is described as one of the leading international manufacturers of construction-chemical products and techniques for enhancing concrete and protecting and maintaining structures. The group is headquartered in Bottrop and has more than 3,500 employees in more than 50 countries. It is a third-generation family business with a history of more than 60 years.

Your work in the mineral laboratory

Through structured onboarding, you learn about the mineral laboratory, its raw materials and test methods, and the company’s products and applications. Your tasks include:

  • Supporting the development and optimisation of sustainable products and product systems, including the selection and evaluation of different raw materials and methods.
  • Working closely with chemists, laboratory technicians and construction-material testers to prepare and carry out experiments.
  • Performing various tests and analyses on raw materials, formulations and products under guidance, and documenting the results.
  • Helping produce and test laboratory mixtures, following development from the first formulation through scale-up to later application.
  • Evaluating test results with the team, presenting them clearly and summarising them for further discussion.
  • Supporting other day-to-day activities in the mineral laboratory.

What you bring

You are studying civil engineering, chemistry or materials science/materials engineering. The requirement is an ongoing Bachelor’s or Master’s degree with a possible assignment duration of at least one year; applicants may also be at the beginning of their studies. You should be interested in the construction-chemical industry and methods for determining construction-chemical characteristic values. The vacancy also asks for intrinsic motivation to learn and try new things, analytical, technical and economic understanding, and an independent, structured and scientific way of working.

Hours, benefits and pay

The working-student position is for up to 20 hours per week and can be individually arranged when needed to support compatibility between study and work. MC-Bauchemie Müller GmbH & Co. KG offers intensive onboarding, support from a mentor and the opportunity to apply theoretical knowledge in practice. Further benefits include discounts through the Corporate Benefits portal, offers at FitX and EGYM Wellpass, a canteen and free water systems. The source does not state a salary. Which remuneration is planned for this working-student position?

How to apply

Apply to MC-Bauchemie Müller GmbH & Co. KG in PDF format, especially with a CV and transcript of grades, quoting reference WK-MIN-YF. The vacancy invites applicants to contact the company in advance with questions. Contact: Frau Silke Rempe, Tel.: (0).

Good to know before applying

This position is directly relevant if you study civil engineering, chemistry or materials science/materials engineering and can commit to a possible assignment duration of at least one year. It offers supervised laboratory practice, experiment documentation and the opportunity to apply theoretical knowledge to sustainable construction-chemical products, with up to 20 hours per week stated.

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