| Sain, Cristin | Recreation Coordinator | Recreation & Senior Services | 949-270-8155 | |
| Silva, Robert | Construction Inspection Supervisor | Public Works | 949-270-8131 | |
| Swain, Jackson | Utilities Specialist | Utilities | | |
| Schaeffer, Lauren | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
| Santoni, Shane | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Sanchez, Jasmine | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
| Schilling, Arianna | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
| Shintaku, Cynthia | Administrative Assistant | Harbor Department | | |
| Sutton, Timothy | IT Technician | City Manager | | |
| Swanson, Callie | Lifeguard I | Fire | | |
| Swan, Matthew | Lifeguard I | Fire | | |
| Speier, Elijah | Lifeguard II | Fire | | |
| Starn, Grady | Lifeguard II | Fire | | |
| Stade, Sebastian | Lifeguard I | Fire | | |
| Stade, Strider | Lifeguard I | Fire | | |
| Sharp, Porter | Lifeguard I | Fire | | |
| Sinclair, Robert | Lifeguard II | Fire | | |
| Simpson, Cooper | Lifeguard II | Fire | | |
| Smith, Trent | Lifeguard I | Fire | | |
| Smith, Benjamin | Lifeguard Cadet | Fire | | |
