A bit of both I think..
The environment is very different to my last team- don't get me wrong they are the nicest people ever and I have nothing but respect for them. They're just not used to having a UX-er in their midst and don't understand some of my processes. I'm still trying to figure out where I fit.
From an internal politics perspective- I'm someone who has very little time for office politics and I don't see hierarchical structures as important. I see skills and capabilities- not pay grades. On the overall organizational totem pole I'm a low ranking employee and in my new team I am at the very bottom. I've never let this stop me from asking hard questions and taking ownership of work far above my 'level'. Not everyone I meet agrees with this. People do define me by my level rather than my skill set which I find very disappointing.
Since the original post, things have started to change I've started to find my niche in the team and I've been training other staff so they can help me do my work and on friday my boss told me that she's never learned as much from all her previous bosses as she has from me in less than 2 weeks
Natalie was right - I just needed time to settle into the new rhythm of things.
I'm getting a lot better at explaining my processes- I've got books at my desk that I show people and my close friend/former boss/mentor is only an IM away