Years of Experience. Those who have five to nine years of work experience see average salaries of $61K annually. Overall, the greater share of MGM Mirage folks have 10-19 years of experience and earn an average approximately $48K per year.A solid majority of respondents save for retirement through MGM Mirage's 401(k) plan.GM Mirage employees bring home $41K per year on average. This overview is based on answers to PayScale's salary questionnaire.