Phlebotomist Position FLOAT POSITION Sites that will need to be covered include: Wildomar, Lake Elsinore, Murrieta, Temecula, and Fallbrook, Moreno Valley, Perris, Hemet, Menifee. Coverage need can change daily based on call outs in the area. Summary: The main function of a phlebotomist is to assist in performing various assigned duties, trouble shooting, training and making work flow recommendations.