Make Your Boss and Your Boss's Boss Look Good. As a practical matter, you are most likely working to take your boss's job. Hopefully, your boss will be promoted, which will leave a vacancy. If your boss is not going anywhere, then the next level will have a major impact on your next position.
Who are the Leaders of the Company?
Find out the background of the company executives. What career path did they take? Chances are, they will value those credentials above others. Take note of great people in the company and get connected to them. If possible, find a way to work for them. If not, establish a network with as many of them as possible. The best possibility is to ask one of them be your mentor. You will be surprised how many people will be interested in helping in this regard.