Keith Boanas named her his Manager's Player of the Season in her debut campaign, as she came to be seen as an "experienced and quick centre-back who reads the game well".

[6] With Charlton Athletic Hills reached the FA Women's Cup final four times in five years, winning once when they beat Everton in 2005.

[8] In August 2009 she was appointed first team manager at Tottenham Hotspur, where she was already working as the club's women's and girls' development officer.

[9] Over the following decade, Hills presided over a series of promotions as the club developed from a completely amateur South East Combination Women's Football League team to a full-time professional FA Women's Super League outfit, playing in front of record-breaking crowds.

[12] On 16 March 2021, Hills was appointed manager of FA Women's Championship side Charlton Athletic, taking over from Riteesh Mishra who remained at the club in a coaching capacity.