How can I find a job in group home or womens homeless shelter in atlanta?

I just realized what my sociology degree was good for. I want to work with people (in need). Does anyone know how I can get a job at a homeless shelter, drug rehab, or group home here in Metro Atlanta? I have tried opportunityknocks,org I have also tried the jobsite. and all the other job wesbites. Bottom lines does anyone work at any of these places where you can suggests for me?

Thanks

you have to go knocking on their doors my friend