Siegfried AG
Chemist R&D
"Expect to grow", personally and professionally: At Siegfried, we offer exciting challenges and ample opportunities to showcase your talents. As a trusted and respected partner to the pharmaceutical industry, we uphold the highest standards in safety, quality and sustainability, while fostering a culture that empowers you to thrive. Join a rapidly expanding global company, where diverse perspectives and experiences come together in a collaborative environment. Here, you'll find a workplace that values both collective success and your individual contributions—offering long-term opportunities to grow and make an impact.
Chemist R&D
Your Role:
As a Senior Chemist R&D, you will play a key role in developing and optimizing robust chemical processes for clinical and commercial pharmaceutical products. Working within a multidisciplinary environment, you will combine scientific expertise, project leadership, and industrial mindset to deliver scalable and sustainable manufacturing solutions.
Your responsibilities will include:
- Leading the development, optimization, and troubleshooting of chemical manufacturing processes.
- Supporting process scale-up and technology transfer from laboratory to pilot plant and commercial manufacturing.
- Driving continuous improvement initiatives to increase process robustness, efficiency, quality, and sustainability.
- Applying Quality by Design (QbD), Design of Experiments (DoE), Process Analytical Technology (PAT), and scientific data analysis to accelerate process understanding.
- Acting as the technical lead for customer projects, providing scientific expertise during client meetings and technical discussions.
- Collaborating closely with Process Research, Analytical Development, Production, Quality Assurance, Regulatory Affairs, Engineering, and HSE.
- Preparing technical documentation including development reports, risk assessments, technology transfer packages, and regulatory support documents.
- Identifying innovative technologies and new scientific approaches to strengthen process development capabilities.
- Mentoring junior scientists and sharing technical knowledge across the organization.
- Contributing to the strategic development of Process Development through innovation, operational excellence, and continuous improvement.
Your Profile:
You are a passionate scientist with strong industrial experience and a collaborative mindset. You enjoy solving complex technical challenges while working in an international and multidisciplinary environment.
You bring:
-
PhD or MSc in Organic Chemistry, Process Chemistry or a related scientific discipline.
-
Significant experience (5+ years) in pharmaceutical process development, ideally within a CDMO or GMP manufacturing environment.
-
Strong expertise in synthetic organic chemistry, reaction mechanisms, process optimization, and scale-up.
-
Good knowledge of Design of Experiments (DoE), Quality by Design (QbD), Process Analytical Technology (PAT), and statistical data analysis.
-
Experience supporting technology transfer from laboratory to pilot or commercial manufacturing.
-
Solid understanding of GMP requirements and ICH guidelines.
-
Excellent problem-solving and scientific reasoning skills.
-
Strong communication and stakeholder management abilities, including customer interactions.
-
Ability to manage multiple priorities while maintaining high scientific standards.
-
Fluency in English and French.