The skills listed in these positions are relatively remedial stuff, especially for a graduate..
You wont get too much more than 50k for support stuff (L1 or L2 - Desktop). You want to start looking at Networks (engineering), Linux/Unix, SAP, programming, management (good luck till you're older than 30) etc to find the larger money.
So many kids coming out of school thinking they know how the IT industry works cos they've played with a PC all they're lives and expect to earn $100k by the time they are 25 cos they are in the "IT Industry"