| Staff | Title | Departments | Phone | Email |
|---|
| Shintaku, Cynthia | Department Assistant | Harbor Department | | |
| Shook, Travis | Fire Engineer 112 Hour | Fire | 949-644-3104 | |
| Sillasen, Ryan | Lifeguard I | Fire | | |
| Silva, Anthony | Utilities Specialist | Utilities | | |
| Silva, Robert | Recreation Leader, Senior | Recreation | | |
| Silva, Robert | Construction Inspection Supervisor | Public Works | 949-270-8131 | |
| Simpson, Cooper | Lifeguard I | Fire | | |
| Sinacori, Georgia | Pool Swim Instructor Trainee | Recreation | | |
| Sinacori, Lorelai | Pool Swim Instructor | Recreation | | |
| Sinacori, Michael | Assistant City Engineer | Public Works | 949-644-3342 | |
| Sinclair, Robert | Lifeguard II | Fire | | |
| Skarin, Eric | Civil Engineer - Plan Check, Senior | Community Development | 949-644-3270 | |
| Skelly, Matthew | Fire Engineer 112 Hour | Fire | 949-644-3355 | |
| Skibby, Kili | Pool Swim Instructor | Recreation | | |
| Smith, Brad | Fire Staff Captain, Ems/Training | Fire | 949-644-3386 | |
| Smith, Bretton | Lifeguard II | Fire | | |
| Smith, Corey | Lifeguard I | Fire | | |
| Smith, Eric | Lifeguard III | Fire | | |
| Smith, John | Lifeguard I | Fire | | |
| Smith, Riley | Recreation Leader | Recreation | | |
