Very straightforward and easy. If you qualify for a role you are provided with the opportunity for SCALAR to represent you, you are provided your wage and parameters for the job and you go and start with that company. Very easy and helps to stay focused on the role you are working,
I would dress business professional, but I would say a suit is not required. Slacks and a Dress shirt, tie optional. Dress right for the position you are interviewing for.