| Salazar, Juan | Field Maintenance Superintendent | General Services | 949-718-3460 | |
| Scott, Rick | Field Maintenance Supervisor | General Services | 949-644-3067 | |
| Saldana Iii, Ernest | Equipment Operator II | General Services | 949-718-3461 | |
| Sebai, Khalid | Public Works Technical Aide | Public Works | 949-644-3348 | |
| Sifuentes, Claudia | Public Works Technical Aide | Public Works | 949-644-3486 | |
| Silva, Robert | Construction Inspection Supervisor | Public Works | 949-270-8131 | |
| Suzuki, Tracy | Records Specialist | Public Works | 949-644-3343 | |
| Sandefur, Thomas | Assistant City Engineer | Public Works | 949-644-3321 | |
| Sinacori, Michael | Assistant City Engineer | Public Works | 949-644-3342 | |
| Stein, Robert | Assistant City Engineer | Public Works | 949-644-3322 | |
| Sommers, James | Civil Engineer, Principal | Public Works | 949-644-3326 | |
| Schneider, Matthew | Principal Planner | Building, Code & WQ Enforcement, Community Development | 949-644-3219 | |
| Snyder, Searcy | Code Enforcement Officer I | Building, Code & WQ Enforcement, Community Development | 949-644-3286 | |
