To dream that you are at work indicates that you are experiencing some anxiety about a current project or task. The dream may also be telling you that you need to “get back to work”. Perhaps you have been slacking off and need to pick up the pace. Stop procrastinating. Alternatively, the dream reflects your success.
To dream that you are at your former work suggests that there is an old lesson that you need to learn and apply to your current situation.
To dream that you have been replaced at work represents your concern about your current job security. You feel that you are in a precarious position at work or in some group project.
Dreaming that you are late for work suggests that you are feeling overwhelmed or stressed at work. You feel that you are being scrutinized despite putting forth your best effort.