RN - Orthopedics Unit Portland Medical Center. This posting represents 0.9 FTE, Night shift openings (7pm-7:30am, 3, 12 hour shifts per week) with rotating weekends and holidays. Extra Incentives: Night shift differential - $10 p/hr Weekend shift differential - $2.00 p/hr $6,000 hiring bonus offered for eligible external hires that meet required qualifications and conditions for payment.