Pros
some of the reasons can include the vast amount of products being worked on. since there are so many depts it may be easier to move around and see what is going on. there are some cool people there too depending on how genuinely interested they are in what they do. up state ny is pretty cool too if you like to do out doorsy things. if you feel a strong love for this country (usa) then maybe defense is for you. they talk a lot about ethics which may mean they are relatively ethical they are also some what diverse.
Cons
downsides of working at lockheed martin systems integration may include you wont be rich. it may also mean you will not be in the most social environment, it may mean your employees may not be too motivated. who knows. it all depends on what dept you are in. if you dont like walking around a lot you may not like the layout of lm campus. you may not like the atmosphere or culture at lm since it seems pretty dry and clean cut. yeah owego itself is not that happening either so maybe location aint so hot for you to work in.