If your GCC/UAE driving license is still valid, you'll be allowed to drive 3 months the most (you can check and clarify with your HR) while you are still waiting for your RP (resident permit) like pataka in dubai.

if you already have RP, you company's PRO should arrange for you a schedule with Traffic Department for Eye test, which take less than a minute, and you have to pay 250QR and you instantly get your new Qatar driving license. You'll be asked for documents such as, passport, copy of UAE license and sometimes they want to see original license.

that easy.

for hotels, i guess Ezdan is nice. it does not require any advanced payments, any RP, you can pay monthly and it's accessible to almost basic amenities. it's in west bay.

welcome and goodluck to your stay.