Working hours are not long, you work a standard 8 hour shift at most places unless requested to stay longer (hardly happens) the eviroment is clean as long as you keep it clean. The smoking is subject to the managers view and the client that you work for.
Answered - Liaison (Former Employee) - North Sydney NSW
It depends which sector you will be working for. there are a variety of times including evening permanent part time cleaning.
Good working hours
Answered - Electrician in the Defense Sector (Former Employee) - Perth WA