Avantages
It really depends on who you are if you will succeed here. If you are the type of person who will work a lot and be satisfied with little career growth, low expectations and pretending like you agree with upper management even when you know they are wrong (or being "complacent"), you may have a nice career here. There are benefits such as stock options, health care, a stock purchase plan and stability for some. There are also some decent, hard working people at the company, but not everyone is.
Inconvénients
Sadly, like many companies these days, you are worth only what you mean to management at that moment. You will be given the 'sell' about all the stock options, perks small family attitude and benefits, but it will be much like the donkey chasing a carrot scenario to obtain them. Medical benefits were not as they said and a battle to be paid; my annual pay raise/review were stock options vesting 5 years later and a pair of movie tickets (seriously). Mostly, it is the dishonesty of upper management and their "sweep everything under the rug, pretend everything is ok and blame someone else later when it blows up" attitude that can bring dissolution. Be prepared to be let go immediately if you give notice. Management positions are held by mostly persons with 10 years plus service and are not necessarily earned or given to who deserve them vs. who lasts the longest. No matter what you may be told by HR or management, in the end, please remember this is a business and at any moment you may be let go regardless of how many years, how many hours or how much you have contributed. Not everyone will experience this but it is important to remember what I have said above before you give up everything thinking you will be rewarded for it in the end. Also be prepared for everything changing almost daily regarding direction and projects. Honestly, the communication between employees and poorly ran networks and projects (due to being too cheap for lack of a better term) were the worst I have seen in my 15 year career.