General Information

Country Switzerland

City Evionnaz

Functional Area Research & Development

Job Group AD/QC/RD/ENV

Employment Type Permanent Contract

Working time Full-time

At its locations around the world, Siegfried offers employees exciting career opportunities in international settings. We cultivate multidisciplinary cooperation and encourage our staff to actively shape and influence their careers. This approach, coupled with our dynamic working environment, make Siegfried an attractive employer.

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Your role

En tant que Dr. en chimie organique, vous prenez en main et développez des procédés de synthèse d’intermédiaires chimiques et/ou de principes actifs pharmaceutiques en tenant compte des impératifs de production, sécurité, qualité et environnement. Vous préparez la validation des procédés par la définition de l'enveloppe du procédé et des spécifications en collaboration avec le service analytique.



Une expertise et un intérêt particulier pour les procédures d'isolation : développement de cristallisation, définition des régimes de lavage, étude de la filtrabilité… serait un plus. Le développement des procédures de cristallisation et d'isolation pour assurer la qualité des produits (pureté, taille de particule, forme cristalline…) représenterait environ 50 % de votre temps.

  • Vous éditez toute la documentation liée aux projets dont vous êtes responsables. 
  • Vous cordonnez les activités internes et externes ainsi que les coûts et les ressources. 
  • Vous assurez la communication avec les clients.
  • Vous planifiez et coordonnez les activités de votre équipe de techniciens.
  • Vous assurez le rôle de chimiste de production pour le transfert au pilote des procédés que vous avez développés au laboratoire.

Your profile

  • Vous possédez un doctorat en chimie organique 
  • Vous possédez un esprit analytique et scientifique. 
  • Vous êtes organisé, flexible et faites preuve d’initiative. 
  • Vos excellentes qualités de communication vous permettent de travailler en collaboration avec différents services ainsi qu'avec les clients. 
  • Vous maîtrisez le français ainsi que l'anglais.

Working at Siegfried

Siegfried's work environment is dynamic and international. With a highly professional and motivated team, the company operates in a future-oriented business field. Siegfried possesses a unique culture that leverages cultural differences to create a competitive advantage. Siegfried places highest priority on providing a flexible, diverse and discrimination-free working environment in which employees can develop personally and professionally, advance innovation and deliver superior performance. We strive to provide a work environment where employees can take on challenging jobs and associated responsibilities that best serve their personal and technical development and can benefit from the success of our company. The company regulations in respect of compensation and career development opportunities apply to all Siegfried sites. Additional conditions of employment are governed by location-specific circumstances, legislation and customs.

Who we are

In the Midst of People’s Lives – Across the Globe The Siegfried Group is one of the world’s leading Custom Development and Manufacturing Organizations (CDMOs) developing and producing active pharmaceutical ingredients (API), intermediates and finished dosage forms. As our core competence, we successfully integrate chemical and pharmaceutical capabilities into a single business model. The Siegfried name stands for highest quality, efficiency, flexibility and safety. Present in Europe, Asia and North America, we serve a broad global customer base from major international pharmaceutical companies down to small biologic-pharmaceutical organizations. For them we develop and produce product innovations on a large scale to finished products. We integrate our offer seamlessly into the customers’ value chain. Our comprehensive services range from early-stage Research & Development services such as synthesis, scale-up, formulation development, stability studies and method development all the way through to manufacturing services, ranging from preclinical R&D material for clinical trial purposes to commercial production. We are able to produce about 200 of the approximately 1500 registered drug substances used in medicine. Moreover, we produce 20 percent of global demand for caffeine. Consequently, nearly 1 billion individuals come into contact with Siegfried products.

What we do in Evionnaz

Siegfried Evionnaz is a facility specialized in custom synthesis of active ingredients and intermediates for the pharmaceutical industry. The chemicals plant, built in 1957, employs around 350 people in a wide variety of fields, ranging from production, laboratories and logistics to quality assurance, administration and more.

Main activities

  • Development and production in strict compliance with quality standards (GMPs)
  • Ensuring perfect compliance with safety, health protection and environmental standards

Unique features

  • 6 GMP production units (315 m³) with reactors from 0.5 to 8 m³
  • 2 Pilot and Kilolab installations with reactors of up to 1,000 liters
  • Flexible, multi-product production lines
  • Broad portfolio of technologies: azide chemistry, organometallics, cryogenics, phosgenation and more.

Strategic impact

  • Facility highly specialized in niche technologies
  • Development capacity: from 1 gram to industrial quantities