Registered Nurse – First Assist – Operating Room Per Diem Overview SNHMC has nine operating room suites, 25 pre-op/PACU bays, and a sterile processing department. Hours are flexible, with 8-, 10-, and 12-hour day shifts available. The OR has a dedicated call team Sunday through Thursday nights beginning at 7PM, making OR call minimal. Services range from elective and non-elective procedures, including neurological, orthopedic, gynecological, urological, bariatric, colorectal, vascular, E