If you are looking to get hired as a blogger,ProBlogger has some of the latest opportunities from companies that are hiring bloggers in various categories. All of the jobs are prescreened. Darren Rowse, the owner of Problogger is a very well established blogger. If you're new to blogging, Problogger is the blog you should start with.
Here are some good posts from his blog that might help you get started.
What is a Blog?
Choosing A Blog Platform
How Bloggers Make Money From Blogs?
How To Get Backlinks
31 Days to Building a Better Blog
Problogger is filled with alot of valuable information. Save it as your favorite and subscribe to the readers. It will definitely teach you alot.