MONTANA CHEMICAL DEPENDENCY CENTER Registered Nurses - $31.00/hr. plus $1.00/hr. night shift differential. MONTANA CHEMICAL DEPENDENCY CENTER in Butte, MT has openings for a Full-Time Registered Nurse - Thursday, Friday, Saturday, 7:00 p.m. to 7:00 a.m.; Part-Time Registered Nurse - Saturday and Sunday, 7:00 p.m. to 7:00 a.m. and for Relief Registered Nurses to fill shifts as needed. For details and to apply online visit www.mt.gov go to employment and state careers link. Open until filled. EEO. These positions are covered by a collective bargaining agreement.