Exceptional patient care, academic excellence and leading-edge research make UMass Memorial the premier health system of Central Massachusetts, and a place where we can help you build the career you deserve. Often: Standing, Walking, Pushing, Pulling, Twisting, Bending, High Level of Stress; Lifting, Carrying, and Pushing – 10 pounds to Over 100 pounds; Pulling – 10 pounds to 50 pounds.