You need to get a Labour Card before you can officially work in Abu Dhabi.
Your employer will apply for this once you have completed your residency visa process and your residents permit is in your passport.
It is the employer who applies for the Labour Card, which may not be your sponsor. For example if you are sponsored by your husband and wish to work in Abu Dhabi, your prospective employer would apply on your behalf.
The application costs AED1000 and is renewed annually.
You employer will need the following: