This is not only linked to science as there are sales job available, to advertise their products. You can get yourself hired in a clinical research job, which as the name advocates requires you to have excellent scrutiny. A company has a lot of responsibilities that they have to take care of in order to run their business, and so they have their pharmaceutical representative's deal with the general practitioner so they don't have to. A representative is not only necessary for such purposes but as told before sales jobs that are obtainable. One type of sales job is pharmaceutical sales representative where you work as a ambassador for your company and market the product in the best way possible.
The other field to which the pharmaceutical industry is genuinely related is chemistry. There are many jobs in this field that are available and so it's a good field to go into. All you need is a degree in Chemistry, in a field in which you are interested to work in a pharmaceutical company. This job wages big as the chemist job in this industry is very delicate and to an extent challenging.
Issues or fields related to medicine never go out of demand. As new drugs are being technologically advanced and released every day so the Pharmaceutical industry is progressing every day as well. Fundamentally Pharmaceutical industry is related to biotechnology, which is the use of micro-organisms for the benefit of human beings. So you would normally get various biotech's' job such as dental scientific liaison, Medical information Manager, Clinical Safety Scientist etc. Normally you need a degree related to biotechnology to get your pharmaceutical career going.