Nikki joined Avon and Somerset Police as an officer in 1987. She has worked in many roles across the force and was promoted to Assistant Chief Constable in 2015. Nikki became Deputy Chief Constable in 2022.

Nikki’s strategic responsibilities include implementing the organisation’s Violence Against Women and Girls (VAWG) strategy which includes any act of gender‐based violence that results in, or is likely to result in physical, sexual, psychological harm or suffering to women. She is also the lead for gender within Avon and Somerset Police, looking at the issues impacting women at work with the aim of creating an environment where women can develop and thrive.