Looking for Job with Visa Type D / Family reunification

Dear All ,

I'm 30 years old living in Morocco with significant experience in shipping/logistic field  .
My husband got a job in brussels 4 month ago and we have decided to move there
Actually i started the process of family reunification for getting Visa D .
I was wondering if i can apply for job with this kind of Visa ? 
Thanks for sharing your experiences to  well understand

Helpful threads for you (the same topic is addressed in these threads):

https://www.expat.com/forum/viewtopic.php?id=658581https://www.expat.com/forum/viewtopic.php?id=703435

Many thanks for your reply
Have a nice day