Film and TV Pro is a great website to sign up for. You can get updates on jobs, both paid and unpaid, and connect with industry professionals. Looking for that first job can be the trickiest part of launching your career, and being connected is part of the solution.
Also, once you are established in your career, the site can be a useful way of finding people to work with you on projects where multiple skills are required.
There are lots of websites nowadays which help you to stay connected with the industry. Others include The Animation World Network at www.awn.com, which also allows you to sign up for job alerts, and showcases jobs in animation all over the world.
Finding work is about refining your skills, having a great demo reel - and staying connected. Don't wait for jobs to find you - you have to get out there and hunt them down.