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About this Expert Concrete RD&E role at GAF

GAF · Onsite · Heusenstamm, Germany

Vernetzen, Stärken, Entwickeln und Begeistern - das sind die Werte, die uns antreiben und die BMI zu einem Unternehmen machen, in dem Sie sich entfalten und wachsen können.

Based at our Heusenstamm location, we are seeking an Expert Concrete RD&E (m/f/d) for our Advanced Material and Technical Development team within the Research Development & Engineering (RD&E) of our Concrete Division. In this role, you will oversee and execute raw material and recipe development activities for our concrete roof tiles. You will work together with other experts in our department to achieve the goals of our raw materials strategic initiatives.


Your key responsibilities:


  • Raw Materials validation: Evaluate and assess new and alternative raw materials (e.g. sand, cement) for the production of concrete roof tiles
  • Recipe development: Develop concrete recipes together with our colleagues in the laboratory to be fit for use in our production facilities
  • Optimisation: Review and tweak concrete recipes to fulfil the requirements concerning cost effectivity, technical performance, environmental impact and workability
  • Advanced materials: Screening and test of new and alternative materials to create future proof solutions
  • Support of our BUs: Contribute with expert knowledge to questions arising in our business units and support them in raw material questions
  • Cross-Functional Teamwork: Partner with our engineering team, to transfer new formulations from lab scale to production, collaboration with procurement
  • Documentation: Technical review and documentation of changes within our change management system.

Your Profile:


  • Education: Bachelor, Master, or Ph.D. in Chemistry/Chemical Engineering, Materials Science, Mineralogy, or a related discipline
  • Professional Experience: First experience of working in an industrial environment production/laboratory/application technology
  • Industry Focus: Industry mindset with focus on the real life application and usability of developments in the industrial processes and environment
  • Technical Knowledge: Understanding of the basic technical requirements and dependencies for the development of concrete recipes, knowledge about cement, aggregates, additives for concrete and their interaction in recipes
  • Methods & Tools: Structured way of working, knowledge of the measurement, analytical tools and characteristic data used to evaluate raw materials for concrete recipes
  • Advantageous Skills: Experience in the use of additives for concrete or dry mortar recipes, deeper knowledge about mineralogy of aggregates, profound knowledge of cement chemistry
  • Soft Skills: A collaborative team player with strong communication skills, capable of translating fundamental chemistry and technical data into practical manufacturing solutions
  • Languages: Fluent in English and German.

What we offer: - based on hiring location it would include a range of the following:

  • Future-Proof Compensation: Attractive salary package & company pension scheme
  • Work-Life-Balance: 30 days of vacation, flexible working hours & primarily office-based work with a regular mobile office option
  • Diverse Mobility Solutions: Job bike (JobRad), commuting allowance & free parking
  • Support for Families: Childcare cost subsidy & pme Family Service
  • Focus on Further Development: Individual development and training opportunities
  • Health Matters: Health benefits & BMI supplementary health insurance fund (Zuschusskasse)

Find your new professional home with us and apply now through our online application system. We look forward to receiving your application! If you have any questions beforehand, please feel free to reach out to [email protected]. 


Eine Karriere bei BMI ist mehr als nur ein Job! Wir helfen Ihnen, eine Tätigkeit zu finden, die Ihnen Spaß macht und in der sie Ihre Fähigkeiten nutzen und weiterentwickeln können.

Wenn wir zusammenarbeiten, können wir Großes erreichen. Schließen Sie sich uns an!

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About GAF

Privacy Notice Applicant Notice With 130+ years in the industry, GAF is the leading roofing manufacturer in North America. As a member of the Standard Industries family of companies, we are also part of the largest roofing and waterproofing business in the world. Our communities help give our work meaning and the products we manufacture help protect what matters most. The shingles help to shelter the families living in the homes in our towns. The TPO helps protect what is under that hospital’s roof. In addition to quality products, we make sure they are installed by quality craftsmen and women. The full GAF portfolio of solutions is supported by an extensive national network of factory-certi

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