This info is about 5 years old but it might still be the case..........

Lufthansa used to have a cut off age of 30, at the time of employment.

Your German has to be proficient enough to to be able to talk about technical subjects. Which is almost a different language in it's self.

And of course you have to have a JAR license and the unrestricted right to live and work in the EU.

My dad spent 14 years with LH and LH Cargo.