| Schweitzer, Theresa | Public Works Finance/Administrative Manager | Public Works | 949-644-3335 | |
| Sanchez, Jessica | Permit Technician II | Public Works | 949-644-3041 | |
| Seo, Leah | Office Assistant | Public Works | 949-644-3331 | |
| Shane, Samuel | Contractor | Public Works | | |
| Shaffer, Sterling | Contractor | Public Works | | |
| Sanabria, Philip | Contractor | Public Works | | |
| Smouse, Trevor | Management Analyst, Senior | Public Works | 949-644-3325 | |
| Silva, Robert | Construction Inspection Supervisor | Public Works | 949-270-8131 | |
| Sinacori, Michael | Assistant City Engineer | Public Works | 949-644-3342 | |
| Sandefur, Thomas | Assistant City Engineer | Public Works | 949-644-3321 | |
| Suarez, Christian | Facilities Maintenance Worker II | Recreation & Senior Services | 949-644-3244 | |
| Strozier, Savannah | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
| Stinson, Mariah | Administrative Assistant | Recreation & Senior Services | 949-644-3158 | |
| Stefani, Parker | Recreation Leader, Senior | Recreation & Senior Services | | |
| Stansfield, Candice | Recreation Leader, Senior | Recreation & Senior Services | | |
| Stairs, Cameron | Recreation Leader, Senior | Recreation & Senior Services | | |
| Stahl, Christopher | Recreation Leader, Senior | Recreation & Senior Services | | |
| Spangler, Linnea | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Soto Valladolid, Barbara | Recreation Coordinator | Recreation & Senior Services | 949-718-1861 | |
| Soto Valladolid, Felipe | Recreation Coordinator | Recreation & Senior Services | 949-644-3163 | |
