| Schilling, Arianna | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
| Schank, Deborah | Administrative Assistant | Community Development | 949-644-3284 | |
| Schaeffer, Lauren | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
| Schaefer, Lauren | Firefighter 112 Hours | Fire | 949-644-3113 | |
| Sarver, Grant | Lifeguard I | Fire | | |
| Sarnowski, Allison | Department Assistant | Library - City | 949-717-3804 | |
| Santoni, Shane | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Santoni, Micah | Lifeguard I | Fire | | |
| Sannella, Emily | Human Resources Specialist (HRis) | Human Resources | 949-644-3310 | |
| Sanford, Ryan | Harbor Services Worker, Lead | Harbor Department | 949-270-8159 | |
| Sanders, Laurie | Librarian I | Library - City | 949-717-3827 | |
| Sandefur, Thomas | Assistant City Engineer | Public Works | 949-644-3321 | |
| Sanchez-Valencia, Alex | Utilities Crew Chief | Utilities | 949-718-3437 | |
| Sanchez, Terry | Library Assistant | Library - City | 949-717-3895 | |
| Sanchez, Jessica | Permit Technician II | Public Works | 949-644-3041 | |
| Sanchez, Jasmine | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
| Sanchez, Eric | Firefighter 112 Hours | Fire | 949-644-3113 | |
| Sanchez, Deborah | Library Page | Library - City | 949-717-3851 | |
| Sanchez, Chris | Building Inspector, Principal | Community Development | 949-644-3266 | |
| Sanabria, Philip | Contractor | Public Works | | |
