Becoming a Certified Phlebotomy Technician can help you take the first step toward a new career in the healthcare field. With Penn Foster's Online Phlebotomy Technician Career Diploma, you can learn foundational knowledge and get insight into the prerequisite courses that can be beneficial when you join the medical workforce. Trained phlebotomy technicians can find jobs in a variety of medical and healthcare environments, such as hospitals, urgent care, long-term care facilities, and clinics.