Have questions and need a job, please help me!

Hello, I currently work for the state of NC on a ferry and would love to get a job on any kind of vessel. I wouldent mind getting on a boat that stays gone for long periods of time. I only have an ab special and twic card, do I have to aquire an stcw 95 to work on all boats or is it just for ocean work. I am willing to do anything and go anywhere even if it means relocating from where I live. Any help would be much apreciated as would really like to get started in the industry. Thanks