My employer is providing stock at a 15% discount on the current Fair Market Value

Hi everyone I work at a company called Jabil Inc, I am in my early 20s and have very little knowledge of stocks but Jabil offered all of its employee's stocks up to $12,500 at 15% discounted rates, I checked the history of the stock and it almost seems like a blue-chip stock, I am planning on investing few thousand dollars on it as it seems like a no brainer deal, is there anything that I should know about before investing? thank you!