It's easier to translate "rehab centers" into Spanish. "Centro de rehabilitación" sería la palabra. About "Safety and Security Manager", It would be, in the context of a company environment, more like, "Gerente de seguridad ocupacional", he would be the main one in charge of answering to work accidents (can you say to me the functions of a Safety and Security Manager?, i can give you a better answer if you're more specific)