In order to cover such a large area requires more and more people. By this I mean that there are marine jobs available. Basically the jobs available in this field are scientist jobs. As by definition marine science requires research about marine life so an ample amount of scientist are needed by any company related to marine science. If you are interested in becoming a scientist, then you can do scientist job search on the internet as various jobs are available online. There are many types of scientist jobs available such as information scientist jobs who are involved in organizing and managing the data for clients. Field scientist jobs are available which require a lot of out door work. Since marine science is the study of living things so, medical scientist jobs are also available.
If you are interested in getting a job but have no previous experience then you might want to try assistant scientist job, where your job as the name states is to assist the scientist in their work. If you want to get a clear idea about what are you going to deal with in a scientist job then go to the web site of the company you are interested in joining the have scientist job descriptions. Moreover if you are interested in entry level jobs then entry level scientist jobs might be just what you are looking for.