External Capabilities Lead Scientist, API Process Chemistry

MSD Malaysia; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

MSD Malaysia seeks an Associate Principal Scientist to lead scientific direction for external partner teams in Small Molecule Process R&D. You will guide synthetic route design, route scouting, and process optimization to ensure timely API deliveries across a portfolio of programs.

The role emphasizes strong synthetic organic chemistry expertise, data-driven decision making, risk management, and the ability to mentor less experienced scientists while collaborating with global processes and

Qualifications

• Ph.D. in synthetic organic chemistry or closely related field.
• Experience leading complex scientific activities with external partners.
• Strong knowledge of route design, process development, and impurity control.

Responsibilities

• Provide scientific leadership and day-to-day technical oversight for external partner process chemistry.
• Guide route design, optimization, and API delivery across programs.
• Critically evaluate external plans, data packages, and proposals.
• Identify risks and establish practical mitigation plans with stakeholders.
• Mentor scientists and promote collaboration across cross-functional teams.

Skills

Analytical Chemistry

Chemical Synthesis

Organic Chemistry

Data Analysis

Education

Ph.D. in synthetic organic chemistry

Job description

MSD Malaysia seeks an Associate Principal Scientist to lead scientific direction for external partner teams in Small Molecule Process R&D. You will guide synthetic route design, route scouting, and process optimization to ensure timely API deliveries across a portfolio of programs.

The role emphasizes strong synthetic organic chemistry expertise, data-driven decision making, risk management, and the ability to mentor less experienced scientists while collaborating with global processes and