Pros
Good benefits. Used to be VERY good, but they have shrunk over the last few years. Technology is among the highest in the world not located in a secret government lab.
Cons
Corning wants "The Best", but they are only willing to pay the average for your service. Merit increases are very poor (1-2%, lower than inflation) despite $1B+ annual corporate profit numbers and cash-on-hand of over $3B. Upper management is removed from day-to-day happenings on the floor and doesn't recognize a valuable employee from a problem employee. Depite the poor raises, management expects 50-60 hrs/week plus ~1 weekend/month. Work/life balance is NOT good. If you live to work, this is your place. If you work to live, Corning will chew you up and spit you out. The ideal exempt employee is someone right out of school with no prior knowledge of how any other company goes about its business and treats employees. If you are mid-career, expect to be disappointed in how you are treated.