Staying at the bottom level of any job is difficult. The goal of course will be to always move up. To make sure that you are not stuck at the bottom always be on time. This can inform your company that you will be reliable, and they will place more accountability in your hands.
Affect fewer jobs during the length of your trip. This means that you should not apply to random jobs in volume that you do not match but determine the people which you do and focus on these.