Workers On Wheels, is a great resource for various jobs that are available to people that are RVers or for people that want to travel but don’t necessarily have a RV. Make sure you sign up for their free newsletter to get the most updated job listings!
When planning your travels, call the campgrounds directly to see if they use work campers OR camp hosts. Check out the city website on where you want to go if they have openings that may interest you OR if the cities website advertises for local businesses.