Are there any free public database to get information on a person place of employment if I have the name, address and ss#.

No, there is no free public database for this type of information.

No, sorry, some of the paid data bases can have some of the info, but often they are out dated.

I am a man from morocco hope to find a person who help me to ammigrat to u s a

Shalome Taher, Morocco Tov