I am a college student studying game programming and set to graduate by the end of 2023. I am at the point where I need to starting putting serious focus into my career goals and working on skills that I will need to continue developing even after school. One specialization that fascinates me is that of a gameplay designer. I love the idea of conceptualizing gameplay systems for games and working being able to work closely with technical, artistic, and business teams on a project. This is a long term goal as I don't expect to find any game design job right out of college.
What skills can I focus on developing outside of industry experience that help prepare for this role?
Is there anything I can focus on in my portfolio work to show my skills as a designer?
What entry level job opportunities should I go for to get closer to become a gameplay designer?
Any other general advice on this subject would also be greatly appreciated.