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.
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