Office Manager - Regeneron Cell Medicines (RCM)

Build our future together: At Regeneron, we use science and innovation to develop life-changing medicines for people with serious diseases. We are seeking an Office Manager to join Regeneron Cell Medicines (RCM). In this pivotal role, you will serve as the sole point of continuity for executive operations across the unit — spanning executive leadership, the larger teams, and multiple sites for the Cell Medicines department. Reporting to the Head of Regeneron Cell Medicines, you will provide administrative support to the RCM leadership team, including the Head of RCM, the VP of Cell Medicines - Research, and the VP of Cell Medicines - Development, Manufacturing, Supply, and Quality (DMSQ), while partnering closely with the RCM Leadership Team (LT) to drive efficiency and manage LT meeting operations. You will also play a key role in facilitating culture, engagement, and community across RCM’s Cambridge and Seattle locations. This position offers the opportunity to contribute to a fast-growing, science-driven organization making a meaningful difference to patients worldwide. When & where: • Full-time, based at the Regeneron Cambridge office • Requires a minimum 4-day-a-week onsite presence Discover your role: Administrative: • Support the executive leadership team, including the Head of RCM, VP of Cell Therapies Research, and VP of Cell Therapies Development, Manufacturing, Supply, and Quality (DMSQ); manage complex calendars, prioritize requests, and coordinate travel and expense reporting • Work collaboratively across the organization to schedule large cross-functional meetings; manage meeting logistics as needed (invites, room-booking, catering, onsite visitor coordination, etc.) • Support special projects as needed RCM LT Operations: • Coordinate RCM LT meetings, including schedule, agenda creation, meeting materials, minutes, and follow-up on action items and priorities • Organize periodic deep-dive sessions with RCM LT, staff, and other Regeneron collaborators to review and address key scientific strategy topics in the portfolio • Manage tracking tools to monitor priorities, deliverables, and key issues/topics for team discussion • Support the logistics of quarterly RCM Town Halls Site Engagement, Culture & Communications: • Support efforts to foster a positive and inclusive workplace culture, including participation in the social committee, CAM site steering committee working group, site onboarding/offboarding coordination (office space, facilities, parking, etc.), event planning, and community activities • Facilitate quarterly Social Events for the site with the Social Committee • Schedule and execute team-building activities • Manage logistics for monthly Lunch & Learn events (meeting invites, AV coordination, onsite visitor coordination, catering, and the L&L tracking file) • Support planning and execution of the annual RCM Science Day & Connection Week This role requires: • Experience providing administrative or executive support to senior leaders within a fast-paced, cross-functional business environment • Experience with expense management systems (Concur) • Strong technical proficiency with Microsoft Office • Proven ability to coordinate complex travel arrangements, meetings, and events • Excellent organizational skills with the ability to manage multiple projects, deadlines, and competing priorities simultaneously • Exceptional attention to detail, accuracy, and time management skills • Ability to work independently with minimal supervision while exercising sound judgment and discretion • Strong interpersonal skills with the ability to build effective relationships across functions, seniority levels, and external partners • Demonstrated flexibility, adaptability, proactivity, and a custo