Director, Drug Product Formulations

Company Overview
Rhythm is a global, commercial-stage biopharmaceutical company committed to transforming the lives of patients living with rare neuroendocrine diseases. We develop medicines for previously untreatable or undertreated diseases. We recognize the courage it takes for patients and their caregivers to begin their journey of advocacy to find the answers they need. Their courage inspires us to challenge convention, ask bold questions and seek answers for them. Every day, we strive for excellence through our willingness to adapt, learn, and our tenacity to overcome barriers, together.

Opportunity Overview
As Director, Drug Product – Formulation, you will lead the global strategy and execution of oral drug product development across all phases, from early development through commercialization and lifecycle management. This role is responsible for building robust, scalable formulation and manufacturing capabilities, advancing phase-appropriate formulations, and ensuring successful regulatory submissions and product launches. You will work cross-functionally and with external partners to deliver high-quality oral solid dosage products aligned with target product profiles and business objectives.

Responsibilities and Duties

• Lead the global oral drug product strategy and operating model to deliver scalable, phase-appropriate oral solid dosage formulations across the pipeline and lifecycle.
• Oversee drug product design and development from pre-formulation through clinical and commercial readiness, including dosage form selection, excipient strategy, and manufacturability.
• Develop robust formulations and control strategies using Quality by Design (QbD) principles, including identification of CQAs, CPPs, and lifecycle management plans.
• Direct process development, scale-up, and manufacturing of oral dosage forms (e.g., blending, granulation, compression, coating, encapsulation, spray drying, hot-melt extrusion), including support for innovative technologies where applicable.
• Lead technology transfer activities to internal manufacturing sites and CDMOs, ensuring successful process validation, PPQ execution, and commercial readiness.
• Ensure high-quality CMC deliverables for global regulatory submissions (IND, CTA, NDA, MAA), including authorship, review, and responses to health authority queries.
• Establish platform formulation strategies (e.g., enabling formulations, modified release, pediatric/geriatric, neo-natal approaches) to enhance efficiency and reduce development timelines.
• Manage relationships with CMOs/CDMOs, including technical oversight, performance management, governance, and supply risk mitigation.
• Partner cross-functionally with Analytical, Drug Substance, Regulatory CMC, Quality (GxP/GSQ), Supply Chain, and Commercial teams to ensure alignment from development through launch.
• Support early-stage development by enabling rapid formulation approaches (e.g., on-site compounding, clinical trial materials) and assessing developability of new chemical entities.
• Drive scientific evaluation and interpretation of data, author technical reports, and contribute to regulatory documentation and inspection readiness activities.
• Build and lead a high-performing team, fostering talent development, innovation, compliance, and continuous improvement.

Qualifications and Skills

• Advanced degree (PhD or MS) in Pharmaceutical Sciences, Chemical Engineering, Chemistry, Materials Science, or related discipline.
• Minimum of 10 years of experience in drug product development and manufacturing within the pharmaceutical or biotechnology industry, including leadership experience.

Technical Expertise

• Deep expertise in oral solid dosage form development (tablets, capsules) and enabling formulation technologies (e.g., amorphous dispersions, solubility/permeability enhancement strategies, lipid-based systems).
• Strong understanding of pre-formulation and biopharmaceutics principles, including dissolution, supersaturation, precipitation, and food effect considerations.
• Experience in developing BCS Class II/IV drugs.
• Demonstrated experience in process development, scale-up, and manufacturing science, including control strategies and process robustness.
• Proven success in technology transfer to CDMOs/internal sites and execution of process validation/PPQ.
• Experience with stability programs, packaging/container closure systems, shipment studies and shelf-life determination.
• Direct experience in parenteral drug product formulation development a plus

Regulatory & Compliance

• Strong knowledge of global GMP requirements and regulatory expectations.
• Experience authoring and reviewing CMC sections for regulatory submissions (IND, NDA, MAA) in alignment with ICH guidelines (Q8, Q9, Q10).
• Demonstrated ability to support inspections and regulatory interactions.

Leadership & Collaboration

• Experience managing external partners (CSPs/CDMOs) and cross-functional teams in a matrixed environment.
• Strong project leadership skills with the ability to align resources and priorities across multiple programs.
• Excellent written and verbal communication skills, with the ability to translate complex technical information for diverse stakeholders.
• Hands-on, resourceful, and effective in lean or rapidly evolving environments.

This role is based out of our corporate office in Boston, Massachusetts. Rhythm operates in a hybrid-work model. Candidates applying must be willing and able to be in the Boston office in coordination with their department and business needs.This role may involve some travel.

The expected salary range for this position is $182,000 - $275,000. Actual pay will be determined based on experience, level, qualifications, geographic location, and other job-related factors permitted by law. A discretionary annual bonus may be available based on individual and company performance. This role may be eligible for benefits and other compensation such as restricted stock units.


More about Rhythm
We are a dynamic and growing global team spanning more than a dozen countries. At Rhythm we are dedicated to transforming the lives of patients living with rare neuroendocrine diseases by rapidly advancing care and precision medicines that address the root cause. Our team is passionate about expanding access to reach more patients and developing novel therapies for other rare neuroendocrine diseases, including congenital hyperinsulinism. 

At Rhythm our core values are:

• We are committed to advancing scientific understanding to improve patients’ lives
• We are inspired to tackle tough challenges and have the courage to ask bold questions
• We are eager to learn and adapt
• We believe collaboration and ownership are foundational for our success
• We value the unique contribution each individual brings to furthering our mission

Inherent in our core values is the commitment to act ethically and with integrity in all we do.

Rhythm is an equal employment opportunity employer and does not discriminate against any applicant because of race, creed, color, age, national origin, ancestry, religion, gender, sexual orientation, disability, genetic information, veteran status, military status, application for military service, or any other class protected by state or federal law.

Headquartered in Boston, Rhythm is proud to have been named one of the Top Places to Work in Massachusetts.

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