Go along and ask. There's no shame in that - you're not psychic after all. .
also it will give you more experience in interviews and the stupid questions they will ask... even if the jobs not for you its good experience to go to interviews...
it will prepare you for ... where do you see yourself in 3 years? give an example of where you worked well in a team?, give an example of where you overcame a difficult problem?


Seriously though, I think it's just titles. My guys are essentially sys admins, with the hardware/build side thrown in.