| 1. | Organization: | Bangladesh University of Engineering and Technology (BUET) |
| Duration: | 6th December, 2017 to Present. | |
| Designation: | Assistant Professor, Department of Mathematics. | |
| 2. | Organization: | Bangladesh University of Engineering and Technology (BUET) |
| Duration: | 27th August, 2014 to 5th December, 2017. | |
| Designation: | Lecturer, Department of Mathematics. | |
| 3. | Organization: | Green University of Bangladesh |
| Duration: | April, 2014 to July, 2014. | |
| Designation: | Lecturer in Mathematics, Department of Electrical and Electronics Engineering. | |