Intruder, forget about it! Atlas will not even sit down with the pilot's union to even try to get the ball rolling on a new contract. With so many other companies hiring crews, I would put Atlas at the absolute bottom of any company to be considered. Most of the other airlines are almost proactive in working with the unions on a new contract. Not this Atlas management.
Atlas pilots with five or six years of seniority are jumping ship. If it is a good company to work for, why would they give up six years of seniority?
Atlas could be a very good company to join, but wait till the new contract is signed. If you join Atlas now and there happens to be a strike, and you have not completed your first year, you will be held hostage by the company and if you refuse to cross a legal picket line you will be fired. Best look for greener pastures.