Renewable Energy Part Time Job (Berlin)

Dear All Expats in the network,
It has been a year i studies in International Business Admin focus on Renewable Energy In SRH Hochschule Berlin. I think it's time for me to apply my knowledge into more practical activity so i wonder is there any possibility that i can get a part time job that related in RE field in Berlin. I would very much appreciated any expats that can recommend me or refer me to any organization that you know of.
Just a brief and very simple introduction:
I had spent 13 years of my career in Semiconductor, FPD and Solar sector but i believe i through the proper education system i can achieve even higher level in near future.
Any advise and recommendation are welcome!!!
Regards,
Dave