Director, Drug Substance Commercialisation & Development

Merck Merck · Pharma · Tipperary, Ireland

Director of Drug Substance Commercialisation & Development at Merck, responsible for the strategic and technical leadership of introducing, developing, and commercially manufacturing active pharmaceutical ingredients (APIs). This role involves end-to-end accountability for process development, scale-up, validation, and lifecycle management, ensuring safe, compliant, and robust supply while driving continuous improvement.

What you'd actually do

  1. Provide strategic and technical leadership for the introduction, development, and commercial manufacture of clinical and commercial active pharmaceutical ingredients (APIs).
  2. Ensure safe, compliant, and robust supply while driving continuous improvement, capability development, and alignment with enterprise objectives.
  3. Lead technical support for commercialisation activities across multiple clinical and commercial processes, ensuring alignment with product and portfolio strategies.
  4. Direct process development, optimisation, and scale up activities, including evaluation of raw materials, route selection, and process fit for commercial manufacture.
  5. Lead, develop, and inspire a team of technical leaders and specialists; build organization capability, succession plans, and technical depth.

Skills

Required

  • Degree (BSc/BEng/Masters) or higher (PhD) in Chemistry/Pharmacy or Chemical/Process Engineering.
  • Experience (Min 15 yrs) in process chemistry, chemical engineering, and API commercial manufacture.
  • Strong background in process, equipment, and cleaning validation.
  • In depth knowledge of cGMP manufacturing operations and regulatory expectations.
  • Proven capability in deviation management, inspection readiness, and regulatory interactions.
  • Excellent written, verbal, and executive level communication skills.
  • Strong cross functional leadership, strategic thinking, project execution, and lean / continuous improvement mindset.

Nice to have

  • Experience with electronic batch records and control systems (e.g., DeltaV).
  • Demonstrated experience in financial management, budgeting, and resource planning.
  • Knowledge of HR processes, training systems, process safety management, and environmental compliance.

What the JD emphasized

  • end to end accountability
  • process development
  • scale up
  • validation
  • commercial manufacture
  • API supply
  • cGMP
  • GLP
  • regulatory compliance
  • product lifecycle management