Collegium Pharmaceutical is building a leading, diversified biopharmaceutical company committed to improving the lives of people living with serious medical conditions. We have a leading portfolio of responsible pain management and neuropsychiatry medications. Hybrid: Required to be onsite in Stoughton, MA on Tuesday, Wednesday and Thursday. POSITION OVERVIEW The Senior Administrative Assistant provides broad, cross-functional administrative support to Executive Committee members while overseeing day-to-day office operations to ensure an organized, efficient, and welcoming work environment. This role serves as a trusted partner to senior leadership, handling complex administrative responsibilities with professionalism, discretion, and attention to detail. Reporting to the Executive Assistant to the CEO, this individual will manage executive support activities, coordinate office operations and meeting logistics, and support company events and employee experience initiatives. The ideal candidate is highly organized, proactive, collaborative, resourceful, and capable of managing multiple priorities in a fast-paced environment. RESPONSIBILITIES * Manage calendars, scheduling both internal and external meetings, and organize logistics * Prepare correspondence, reports, presentations, and other documents as needed * Coordinate travel arrangements and meeting preparations * Process expense reports, as well as invoices and purchase orders * Responsible for home office administration, including managing and procuring office supplies and maintaining kitchen inventory * Ability to maintain confidentiality and exercise sound judgment * Help organize office operations, events, and team activities * Assist with special projects and cross-functional initiatives REQUIRED LEADERSHIP BEHAVIORS  At Collegium, how we achieve results is just as important as what we achieve. Our Leadership Behaviors define how we work, collaborate, and succeed as we continue to evolve as an organization. We group these behaviors into three pillars: * HEAD * Think Entrepreneurially          * Take Decisive Action * Drive Results * HEART * Communicate Effectively * Enable High Performance * Collaborate with Purpose * GUTS * Take Smart Risks * Be Tenacious About Change * Compete to Win Successful candidates will demonstrate these behaviors through their ability to challenge the status quo, build strong relationships, drive results, embrace change, and contribute to a high-performance culture. QUALIFICATIONS * Bachelor’s Degree preferred * 2-4 years of experience supporting senior level executives at VP level and above required * Strong organizational skills and exceptional attention to detail * Excellent verbal and written communication skills * Takes initiative rather than wait for direction; able to manage multiple priorities simultaneously * Professional, with a positive attitude and willingness to contribute where needed * Strong critical thinking and problem-solving skills Pay Range $90,000—$100,000 USD Collegium is an equal opportunity employer. It is the policy of Collegium, in all of its relations with its employees and applicants for employment, to base all employment-related decisions upon valid job-related factors, without regard to age, national origin, citizenship status, ancestry, race, color, religion, creed, sex or gender (including pregnancy, childbirth and related medical conditions), gender identity or expression (including transgender status), sexual orientation, military or veteran status, physical or mental disability, genetic information, or any other status protected by applicable federal, state, or local law. This policy applies to hiring, training, promotion, compensation, disciplinary measures, access to facilities and programs, and all other personnel actions and conditions of employment. By this policy, Collegium seeks to ensure that all employees have the opportunity to make their maximum contribution to Collegium and to their own career goals. This policy provides for an equal employment opportunity program that will simultaneously serve the requirements of society, the law, sound business practices and individual dignity. If you have questions or concerns about equal employment opportunities in the workplace, you are encouraged to bring these issues to the attention of the Head of Human Resources. We will not allow any form of retaliation against employees who raise issues of equal employment opportunity. To ensure our workplace is free of artificial barriers, violation of this policy may result in disciplinary action, up to and including termination.