Finding a job is hard since there are lots of new graduates every year so your diploma wouldn't matter much. It will be best to accept any job when you are just starting and move on from there. You got lucky as you got accepted in a fire department as a truck driver. The department needs brave men like you. You need to make a good impression on your first day so you need to do everything right at your first day. A fire broke out and you know what to do next.
Drive your truck as fast as you can into the vicinity and park it carefully near flaming building. If there are alternative route to the fire, then go there. Time is at the essence in this game because you need to save lives. Once you park your truck, then you will advance to the next level. Let your teammates do their job and put the fire out. Actually, you won't have a hard time finding the location since there is an arrow that will point you to the right direction. It is advisable to use the off-road since it will make your trip shorter. There are 20 levels in the game and each one is different from one another.