Compensation - Amex works with what they call "Compensation Bands", meaning there is a salary range for each postion and a salary cap for each position. EX - a compensation band for a a management position could range between 60k - 70k. Management decides where you fall. When positing for a position within the company, it's very difficult to rise above your existing band. You'll probably start on the low end of the compensation band in the next position. Often times, employees leave the company to obtain a better salary elsewhere (higher than their current "band)and then return so they can make the jump into the next compensation bracket.
Medical Benefits are sub-standard. There are high deductions from your paycheck and high co-pays and deductibles.