I'll swap with you if you're soooo unhappy and thousands more will agree. You really need to stop moaning about not flying big jets for your first job, in the industry that it is today. The dream is to fly aircraft and it sounds like you've found an absolute result to start your career off. I hope you havent just paid 60k to train for the big jets and the 'glamour of the uniform'.
Sorry if any of my points are invalid or stupid, afterall I'm just a silly dreaming wannabe.