Cardiac Catheterization/Electrophysiology Technicians perform, under a physician's direction, diagnostic tests, both invasive and noninvasive, of the pulmonary system (lung) and the cardiovascular system (heart and circulation). They operate, monitor, and collect data from instruments used in procedures such as cardiac catheterization, angiography, valvuloplasty, angioplasty, electrophysiology studies, cardiac pacing, or cardiac pacemaker or leadwire insertion. Applicants pending the completion of educational or certification/licensure requirements may be referred and tentatively selected but may not be hired until all requirements are met. Basic Requirements: United States Citizenship: Non-citizens may only be appointed when it is not possible to recruit qualified citizens in accordance w