| senior resident | 5138 | |
| senior sanitation officer | 21 | |
| senior sas officer | 4 | |
| senior scientific assistant | 39 | |
| senior scientific officer | 90 | |
| senior scientist | 161 | |
| senior secretariat assistant | 14 | |
| senior section engineer | 35 | |
| senior security officer | 2 | |
| senior software developer | 4 | |
| senior software engineer | -- | |
| senior sports officer | 1 | |
| senior stenographer | 117 | |
| senior store keeper | 1 | |
| senior superintendent | 1 | |
| senior surgeon | 1 | |
| senior system analyst | 2 | |
| senior technical assistant | 214 | |
| senior technical officer | 22 | |
| senior technical supervisor | 4 | |
| senior technician | 3 | |
| senior trainee | 7 | |
| senior translator | 38 | |
| senior treatment supervisor | 100 | |
| senior tuberculosis laboratory supervisor | 2 | |