According to the resort owner, these new and existing roles are available at all four locations including the Lone Butte, Wild Horse Pass, Vee Quiva and the upcoming Santan Mountain Casino which is slated to open in late June. PHOENIX (3TV/CBS 5) - Need a summer job? Gila River Resorts & Casinos is getting ready for a sensational summer at its properties and is looking to fill approximately 700 positions.