If your residence visa is Engineer, the whole process is very simple. Near Sana roundabout opposite Jabri restaurant there is an agent called Al Aseel Services handover your passport and copy of your vehicle registration card to him also you will need a NOC from your employer for this travel. They will arrange you a road transit for Saudi in four to five days.

I am sure you are not a Qatari National, please have your profile corrected.