Department, SLH SEIU Represented Staff: EKG, CCT, or CRAT not required, however, employees must demonstrate understanding of the heart's electrical system and ability to differentiate EKG rhythms with accuracy to the level of competency of recognized certification. ADMINISTRATIVE SUPPORT SERVICES: • Performs a series of specialized clerical and administrative duties by performing a wide variety of clerical tasks and processes; establishes work priorities, and creates documents including letters, memorandums, manuals, and reports.