| Sugiyama, James | Utilities Specialist, Senior | Utilities | 949-718-4418 | |
| Segura, Daniel | Utilities Specialist | Utilities | 949-718-4418 | |
| Salazar, Jesse | Utilities Specialist | Utilities | 949-718-3416 | |
| Sanchez-Valencia, Alex | Utilities Crew Chief | Utilities | 949-718-3437 | |
| Sommers, James | Transportation Manager/City Traffic Engineer | Public Works | 949-644-3326 | |
| Salazar, Juan | Superintendent | Public Works | 949-718-3460 | |
| Shapirshteyn, Bryan | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Spangler, Linnea | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Santoni, Shane | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Sinacori, Georgia | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Smith, Riley | Recreation Leader, Senior | Recreation & Senior Services | | |
| Saldivar, Ricardo | Recreation Leader, Senior | Recreation & Senior Services | | |
| Serbeniuk, Gary | Recreation Leader, Senior | Recreation & Senior Services | | |
| Stahl, Christopher | Recreation Leader, Senior | Recreation & Senior Services | | |
| Stefani, Parker | Recreation Leader, Senior | Recreation & Senior Services | | |
| Stairs, Cameron | Recreation Leader, Senior | Recreation & Senior Services | | |
| Snyder, Ryan | Recreation Leader, Senior | Recreation & Senior Services | | |
| Stansfield, Candice | Recreation Leader, Senior | Recreation & Senior Services | | |
| Smith, Annika | Recreation Leader, Senior | Recreation & Senior Services | | |
| Schilling, Arianna | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
