The website for The National Association of County and City Health Officials (NACCHO) is chock-full of resources for public health workers at the local level. Check out the NACCHO Toolbox for a treasure trove of toolkits, training materials, presentations, fact sheets, and much more for use in your work. These were created by public health professionals and are free of charge.
You might also find useful the local public health department directory map to find websites for job searches. In addition, the NACCHO website has a list of webinars that you can access for continuing ed.
Check out Resources for MPHGrads to find other useful gems to help you make a difference in the world.