To move you need to be able to give everything a good try in different areas of the business. You need to be able to have a good attitude towards your work and network well with the people around you. There are many ways to get a promotion, from your network to the learning and development team informing you when roles are available.
Just be a hard worker and show you're keen to develop your leadership qualities.
Graduates are given responsibility pretty early on and if there is an opening they are considered first before an external hire.
After my graduate program, I was offered the role of Project Supervisor. The Project Manager is mentoring me on how to become a Project Manager whilst also completing Holcim's Area Operations Manager training.