A film director is a person who directs the making of a film. A film director controls a film's artistic and dramatic aspects and visualizes the screenplay (or script) while guiding the technical crew and actors in the fulfilment of that vision.
A film producer is a person responsible for the financial and managerial aspects of making a film. You'll be working closely with the director to make artistic and technical decisions about shooting, budgets and post-production.
Working with raw footage in post-production to compile an end result that's suitable for release. They'll often work closely with the director to ensure their work is in line with the director's intentions for the film.
A location manager is responsible for researching, identifying and organising access to sites for film shoots. It's a demanding role, where you'll need to manage cast and crew to ensure your stints on location are completed within time and budget constraints.