One thing I'm fairly sure of is that who you know, is of as much importance as what you know, if not more in some cases
It may not be fair but its just the way things are. When I started out I sent CV's to the big North Sea and charter companies every 6 months for about 5 years while I worked as an FI to build time. I never once got an interview, and often not even a reply. My first real commercial job came from a friend giving my name to the CP at a charter company, and with a quick informal interview I was in. Nowadays I'm happy working in a corporate job Monday to Friday, and N. Sea doesn't appeal at all to me...
My advice is get out and about and meet as many pilots and crews doing the kind of work you would like to do, and if you are keen, enthusiastic and stick at it something will come up eventually.
Good luck.