Cape Breton Regional Municipality has a new mayor and council, and it's going to have to look for a new chief administrative officer.

Marie Walsh is retiring after seven years in the top staff position at CBRM city hall in Sydney, N.S.

She says at 60 years old, she wants to spend more time with her children and grandchildren, and less time fighting with the province over policies and funding.

"I think I've given a lot and ... I'm done with the fight," she said in an interview at her home, where sh…