Today it has 1,600 slots, 50 table games and 15 poker tables, having added the last tables a few months ago. Hiring is in part up to the vagaries of the wider job market, but MGM continues to train dealers, advertise and host job fairs in Springfield. Today, it has 1,500 employees with about 200 vacant jobs and an informal expectation to grow to about 2,000 jobs. It hit that number briefly, soon after opening.