Mair is a self-employed consultant with music and literacy expertise. After a period working as a music teacher in the secondary sector, she moved to the primary sector, working as a teacher in Key Stage 2 in Welsh-medium schools. She was deputy head teacher at Ysgol Bro Aled, Llansannan and then head of Ysgol Pant Pastynog, Prion in Denbighshire.
Since 2013, she has been acting as an External Mentor supporting Newly Qualified Teachers during induction. She also mentors teachers following the master's degree - Masters in Educational Exercise.
Mair is a qualified trainer for the British Council, facilitating courses on Critical Thinking and Problem Solving and Digital Literacy.