Dr Kirui serves in Egerton University in the academic department where she oversees the functions of admissions, examinations and timetabling. Further she is a founding member of The Kenya University Proffesional Counsellors Association where she served as a Vice Chairperson, The Kenya University Deans of Students Association and a current member to the Kenya Guidance, Counselling & Psychological Association. In her career history, she has made international presentations in theoretical and practical concepts related to the field of social psychology and the field of education.

Throughout her career, Dr Kirui has placed keen interest on working with young people from different cultural backgrounds who presented with a variety of behavior difficulties in platforms that include the university, the church and the wider community. At the community level, she has served in different leadership positions that include membership to the Board of Management of two national schools and in church committees. Her interests also include motivational speaking in fields of spirituality, counselling, disability and championing the support of orphaned children.