In addition to the base salary, Amgen offers a Total Rewards Plan, based on eligibility, comprising of health and welfare plans for staff and eligible dependents, financial plans with opportunities to save towards retirement or other goals, work/life balance, and career development opportunities that may include: A comprehensive employee benefits package, including a Retirement and Savings Plan with generous company contributions, group medical, dental and vision coverage, life and disability insurance, and flexible spending accounts. Amgen is currently seeking a talented Senior Principal Scientist who will lead a multidisciplinary team of chemists and chemical engineers in the development of efficient and sustainable manufacturing processes for bioconjugates, including antibody drug conjugates (ADCs), drive technology innovation, provide technical expertise, and develop and mentor staff within the organization.