Concrete Technologist / Technical Sales (Part-time or Freelance) | Betontechnologe (m/w/d) / technischer Vertrieb Festanstellung in Teilzeit oder Freelancer

Werhahn & Nauen SE & Co. OHG vertreten durch Basalt-Actien-Gesellschaft

Deutschland
Published Aug 20, 2025
Part-time
Fixed-term

Job Summary

This role seeks a Concrete Technologist with a strong background in technical sales to join a leading natural stone and asphalt company in Germany. The successful candidate will be instrumental in developing, testing, and optimizing concrete formulations, ensuring compliance with current standards. Key responsibilities include conducting quality controls, performing laboratory analyses, and providing expert advice to clients on material selection and aggregate applications. The position also involves creating and maintaining technical reports, documentation, and certifications, as well as collaborating with various internal and external research and testing institutes. This flexible, part-time or freelance opportunity offers a professional environment within a family-oriented company, allowing for significant autonomy and work-life balance.

Required Skills

Education

Certified Concrete Technologist (e.g., E-Schein or equivalent qualification)

Experience

  • Several years of professional experience in the concrete industry (e.g., precast concrete, ready-mix concrete, concrete products, or testing)
  • Specialized knowledge in the cement, concrete, and aggregate industry
  • In-depth knowledge of concrete technology testing
  • Familiarity with relevant standards such as DIN EN 206 and DIN 1045

Languages

German (Fluent)

Additional

  • Occasional travel required; suitable for part-time employment (approx. 40-80 hours/month) or freelance engagement; mobile working possible; flexible project work with flexible hours.