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Senior Director, Process Chemistry
ArdelyxUnited Statesfull_timeVerifiedPosted 24 Sept 2025
💰 $297,000/yr($243,000/yr – $297,000/yr)
About the role
Ardelyx is a publicly traded commercial biopharmaceutical company founded with a mission to discover, develop and commercialize innovative first-in-class medicines that meet significant unmet medical needs. Ardelyx has two commercial products approved in the United States, IBSRELA® (tenapanor) and XPHOZAH® (tenapanor). Ardelyx has agreements for the development and commercialization of tenapanor outside of the U.S. Kyowa Kirin commercializes PHOZEVEL® (tenapanor) for hyperphosphatemia in Japan. A New Drug Application for tenapanor for hyperphosphatemia has been approved in China with Fosun Pharma. Knight Therapeutics commercializes IBSRELA in Canada. Position Summary: The Senior Director, Process Chemistry will be responsible for leading small-molecule process development and manufacturing efforts for clinical-stage and commercial Drug Substances.Responsibilities:
- Lead all Drug Substance (DS) efforts, including process development as well as the manufacture of DS for clinical and commercial purposes
- Develop outsourcing strategies and relationships to support all aspects of DS development and manufacturing
- Develop and lead the successful execution of phase-appropriate DS project plans; prepare RFPs and assist in selecting vendors
- Lead the preparation of the DS sections of various regulatory documents (IND, NDA, etc.)
- Effectively integrate DS activities with those of sister CMC functions, including Pharmaceutics, Analytical Development, Quality Assurance, and Regulatory Affairs
- Supervise internal and external technical staff as needed to ensure effective execution of activities and attainment of goals
- Integrate DS activities with those of other corporate functions, including legal, finance, and HR
- Effectively and professionally represent the Process Chemistry function, and when needed the broader CMC function, on various cross-functional teams including internal project teams as well as external steering and operating teams with contract manufacturing and/or corporate partners
- Ph.D. in organic chemistry, chemical engineering, or related discipline with 12 - 15 years of industry experience or equivalent experience
- Strong experience required in small molecule process development
- Experience supporting DS for different drug product types is desirable
- Experience working in close collaboration with technical, regulatory, quality, clinical, project management, and supply chain functions, in a cGMP operational environment
- Experience in leading and managing outsourced development and manufacturing efforts and associated operating budgets
- Experience in preparing and defending regulatory documents including briefing books for regulatory meetings, INDs, and NDAs
- Demonstrated track record of setting priorities, meeting timelines, motivating others, and managing budgets
- Superb communication skills and the ability to shape, frame, and present to diverse internal and external audiences are required
- Periodic travel to manufacturing and other partner sites is required (approximately 10-20 % of time).
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