Honestly the only hope will be if there is a Linux nerd in the IT shop who is willing to make the case for OP from the sysadmin side of the fence. If you don’t have someone batting for you in that corner, there’s basically no hope.
Source: I’ve been using Linux at work in a Windows centric org for 5 years. Only reason is because a blessed nerd in my local IT support shop was on my side when I started there.