Director, Regulatory CMC
Rhythm Pharmaceuticals
Boston, MA · Posted October 20, 2026
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Where Boston, MA ranks
Where Boston, MA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for life sciences and biotech jobs793 openings · of 41
- #1Cities with the most jobs that do not need a four-year degree in New England390 jobs · of 14
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- #1Best cities for software and engineering jobs in New England910 openings · of 24
- #1Best all-round cities for mid-career professionals in the Northeast71 / 100 · of 26
- #1Best all-round cities for mid-career professionals in New England71 / 100 · of 11
Rankings about legal jobs
- Best cities for legal jobs #1 New York (854 openings)
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How AI is used in this kind of work
AI use among managers, all other is little observed so far. Measured exposure for managers, all other: 7% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
About the job
Rhythm is a global, commercial-stage biopharmaceutical company committed to transforming the lives of patients and their families living with rare neuroendocrine diseases. We develop medicines for previously untreatable or undertreated diseases and provide meaningful support for healthcare providers and patients and their families. 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. We offer a fast-paced and collaborative work environment, with a competitive compensation and benefits package, including equity grants and the opportunity to participate in our employee stock purchase plan. We foster an environment that is supportive and fun – enabling us to bring our best each day toward achieving our goals. Working together, we’ll succeed. We are centrally located in Boston’s Back Bay neighborhood, easily accessible by several modes of public transportation and walking distance to much of what the city has to offer. We continue to grow, so if you don’t see anything here that currently fits your qualifications, please visit again to see what roles we have open. Thank you for considering Rhythm. By submitting your application for employment, you confirm that you agree to the storing and processing of your personal data by Rhythm Pharmaceuticals as described in our Privacy Statement. EU residents, please see our privacy policy on data use. Note to agencies: Rhythm values our partnerships with recruiting firms and will only work with those who have an established relationship and signed contract. Authorization to work on a role and/or submit resumes will come from HR only, so please do not forward any agency resumes. The company will not be responsible for any fees related to resumes that are unsolicited. Director, Regulatory CMC Boston, MA Full Time Regulatory Experienced Share 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 This role is responsible for executing high-quality, science-based, and compliant regulatory CMC deliverables for assigned program(s), in alignment with strategies established by Global Regulatory Affairs and Technical Operations. T his individual contributor role will execute regulatory CMC plans and support implementation of filing strategies for assigned programs. As part of the growing and dynamic regulatory affairs team, this role is accountable for the effective management and timely delivery of CMC regulatory documents, coordination of cross-functional inputs, and support of regulatory CMC execution activities across development, commercialization, and lifecycle management. The role will work closely with Global Regulatory Affairs, Technical Operations, Quality, and other internal stakeholders to ensure deliverables are aligned, complete, and compliant with global regulatory requirements and commitments. Responsibilities and Duties Serve as the regulatory CMC representative on cross-functional teams for assigned programs and execute deliverables in alignment with strategies established by Global Regulatory Affairs and Technical Operations. Author, compile, review, and finalize high-quality CMC regulatory documents and submissions, including core dossiers, INDs, IMPDs, MAAs, BLAs, variations, and annual reports, in collaboration with internal and external stakeholders. Coordinate and support the timely execution of regulatory filings and submission activities in compliance with applicable global regulatory requirements, commitments, and internal timelines. Prepare regulatory CMC meeting requests, briefing materials, and supporting documentation to enable effective health authority interactions and internal governance reviews. Assess CMC change controls to determine regulatory impact, identify filing requirements across regions, evaluate supporting documentation, and escalate risks or gaps as appropriate. Track regulatory commitments, health authority questions, and submission-related action items, and coordinate cross-functional responses within agreed timelines. Maintain current knowledge of relevant CMC regulations, guidance, and regional expectations, and communicate executional impact to internal stakeholders. Contribute to continuous improvement of regulatory processes, templates, SOPs, and systems that support efficient and compliant document development and submission execution. Qualifications and Skills A minimum of a B.S. degree in a scientific or life sciences discipline with a minimum of 10 years experience in Regulatory CMC, manufacturing, analytical development, quality, or related pharmaceutical development environments. Demonstrated experience supporting regulatory programs for products intended to treat rare diseases and/or conditions with high unmet medical need is preferred. Experience preparing CMC documentation to support clinical trial applications, marketing applications, post-approval submissions, and health authority responses. Experience with peptides and injectable dosage forms and/or injection drug delivery devices is required. Strong execution skills with demonstrated ability to manage multiple deliverables, coordinate cross-functional input, and deliver high-quality work within aggressive timelines. Working knowledge of global CMC regulatory requirements, guidelines, and expectations across development, registration, and lifecycle management in multiple ICH regions. Ability to work independently within established strategic direction, identify issues proactively, and escalate risks appropriately. Strong organizational, planning, communication, and collaboration skills, with the ability to work effectively across Global Regulatory Affairs, Technical Operations, Quality, and external partners. 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. Share Apply Apply for this position Required *