I am from Pakistan and I have started a job

Hello Alan, 

This may not be the best forum to get the best information for sending money to Pakistan, but I know that the Poste Italiane offers a Moneygram service

https://www.poste.it/prodotti/moneygram.html

and Western Union also

https://www.westernunion.com/it/it/home.html

Well, there are some companies that I believe are less costly and reliable too. A few that I tried order wise to send money to Pakistan are:

1. ACE Money Transfer

2. Currency Live

3. Rocket Remit