Despite being a hard worker, this employee just didn't have what it took to get a promotion . They old saying goes that hard work pays off , but that isn't always the case. In some jobs, you can work as hard as you possibly can, clocking in overtime hours or covering multiple jobs for other people. Unless you have a management team that plans to move you up, all that hard work won't matter at all. In fact, your boss might appreciate your hard work, and decide you're so good at getting things do…