Troubleshooting network drives

I'm having a few issues. I'm one of a handful of people in my company using a Mac and my IT department is stumped as to how to get my network drives set up. We've been able to connect to one server, however when I go to drill down through the folders that I need, access simply stops. I get to one folder and it appears empty (it's not I can access fully from the PC at work). The other drive I'm trying to get set up with is a Novell drive, and IT has told me that none of the workarounds they testing functioned properly. Part of the problem is my IT department told me when we purchased the MacBook that they would not support the device and I was on my own, which is problematic as I have no admin rights or IT access to any of our PC's, servers, etc. One person in IT has a mac and has been helping me but is very busy and not sure where to go from here. My last issue has to do with using Citrix to access my PC via my mac. Everything works fine and I can open any documents from my drives via Citrix but I can't save or copy any files back to the drives.

Any thoughts on my multitude of issues?

Thanks!