how long does it take for employers to offer you a job after the second interview?

Question

any tips on impressing employers will also be much appreciated

Answer 1

Every business is unique. It could be one hour or three weeks later. It depends on their needs and how many other candidates they are interviewing.
Remember to send a thank you note to each of the people you interviewed and follow up with a phone call 7 days after your second interview.

Answer 2

It differs from place to place. Some places get back to you quickly others take a while in making their decision.