| 1980 -1983 | : | Tutor at Department of Mathematics, Faculty of Science, UTM |
| 1983 -1993 | : | Lecturer in Mathematics, Department of Science and Technical Education, Faculty of Science, UTM |
| 1983 – 1986 | : | Part-time Tutor at The Centre of Science Foundation, U. Malaya |
| 1989 | : | Lecturer in Mathematics at The Faculty of Technology & Design, West London University |
|
1993 |
: |
Associate Professor at The Faculty of Education, UTM |
| 1994 – 1995 | : | Head, Department of Science, Mathematics & Computer Education, UTM |
| 1996 – 1998 | : | Head, Program of Science Education & Social Sciences, UTM |
| 1998 – 2002 | : | Deputy Dean (Academic), Faculty of Education, UTM |
| 2002 – 2004 | : | Head, Unit for Teaching and Learning, UTM |
| 2002 – present | : | Professor of Mathematics Education, Faculty of Education, UTM |
| 2002 – present | : | Member of Senate, UTM |
| 2004 – 2007 | : | Director, Centre for Teaching & Learning, UTM |
| 2007 – 2010 | : | Dean, Faculty of Education, UTM |
| 2010 – 2011 | : | Sabbatical Leave |
| 2011 – 2012 | : | Dean, Research Associate (K-Economy), UTM |
| 2012 – 2014
2014- present |
: | Dean, Faculty of Education, UTM
Senior Director, UTM Academic Leadership (UTMLead) |
