The typical MGM Resorts International Assistant Manager salary is $43,857. Assistant Manager salaries at MGM Resorts International can range from $37,274 - $49,000. This estimate is based upon 7 MGM Resorts International Assistant Manager salary report(s) provided by employees or estimated based upon statistical methods. When factoring in bonuses and additional compensation, a Assistant Manager at MGM Resorts International can expect to make an average total pay of $43,857 . See all Assistant Manager salaries to learn how this stacks up in the market.