The Sr. Manager, Specialized Chemical Development will support assigned process chemistry activities for drug substance (DS), DS intermediates and starting materials. The initial main focus for this position will be an oligonucleotide project, though work on small molecule or other modalities will be future possibilities. The scope of the role encompasses process research, scale-up activities, process definition, Process Performance Qualification (PPQ) and characterization/design-space mapping; it may include Person in Plant (PIP) oversight of manufacturing processes. Collaboration with Process Engineering will occur during routine manufacturing, technical transfer, PPQ and process improvement initiatives. Operating within a virtual (100% outsourced) business model, the employee will participate in CDMO selection and oversight, in conjunction with internal teams, and will be expected to foster the development of strong and enduring business partnerships. Strong technical writing skills are required, as this position will be involved in the development, review, and approval of Module 3 sections of CTD regulatory submissions, written responses to regulatory authorities, and other critical technical documents. This position will be located at the Waltham, Massachusetts office, though remote candidates will also be considered. Occasional domestic and international travel (up to 25%) will be required.