Be yourself and understand your role to the fullest.
Any confusion ask the interviewer to explain!
I did that with my job title and asked for explanation and was fully aware of what I was getting into.
I never looked back and don't regret working at Neeham ever.
If you were in charge, what would you do to make Newham Council a better place to work?
Change the senior management. Bring in a inclusive organisational structure that values everyone's opinion.