Neonatal intensive care nurse, intensive care, NICU, neonatal, newborn, RN nurse, newborn, neonatal care, nurse, nursing, registered nurse, RN, R.N., infant care, critical care, hospital, medical, patient care, healthcare, health care AMN Healthcare Nursing Job ID #3603835. At 100,000 residents, Santa Maria is the largest city in sunny Santa Barbara County, known for its agriculture, thriving wine industry, comfortable Mediterranean climate, and unique cuisine—"Santa Maria Style BBQ" being the most famous example.