Asalamu alaikum I'm maajeed Mohamed from sri lanka dear sir I'm studying Accountancy diploma.lot of come banking field for my qualification.is here 1of Islamic bank have they asked for experience so can I work at non Islamic bank for experience?

Assalamu Alaikum!

In general, yes, it is permissible.

Here is a website that may help answer your question.

Working for a Bank | Muslim-Investor.com