The OP mentioned NAI as the major or a corporate gig. The response after that post shows that most responders either failed to see this or (I seriously doubt) equate NAI with a major.
My take; if you can land a real major (DAL, AA, UA, HA, SWA, AK, FDX, or UPS), than take it. If it is anyone less, than you really need to balance the quality of the corporation/flight department and decide from there. If you haven't interviewed yet, than be sure to ask basic questions (for sure of the corporate gig) about QOL issues, time off, call out expectations, future pay after initial first year expectations, etc. With any airline, use this forum and dig out opinion from past posts.