| Staff | Title | Departments | Phone | Email |
|---|
| Sommers, James | City Traffic Engineer | Public Works | 949-644-3326 | |
| Soltes, Dennis | Recreation Leader | Recreation | | |
| Sodergren, Michael | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3355 | |
| Smouse, Trevor | Management Analyst, Senior | Public Works | 949-644-3325 | |
| Smith, Riley | Recreation Leader, Senior | Recreation | | |
| Smith, Eric | Lifeguard III | Fire | | |
| Smith, Corey | Lifeguard I | Fire | | |
| Smith, Christina | Department Assistant | Library - City | 949-717-3874 | |
| Smith, Bretton | Lifeguard II | Fire | | |
| Smith, Braden | Lifeguard I | Fire | | |
| Skibby, Kili | Pool Swim Instructor | Recreation | | |
| Skelly, Matthew | Fire Engineer 112 Hour | Fire | 949-644-3355 | |
| Skarin, Eric | Civil Engineer - Plan Check, Senior | Community Development | 949-644-3270 | |
| Sinclair, Robert | Lifeguard II | Fire | | |
| Sinacori, Michael | Assistant City Engineer | Public Works | 949-644-3342 | |
| Sinacori, Lorelai | Senior Pool Lifeguard | Recreation | | |
| Sinacori, Georgia | Pool Swim Instructor | Recreation | | |
| Simpson, Cooper | Lifeguard II | Fire | | |
| Silva, Robert | Construction Inspection Supervisor | Public Works | 949-270-8131 | |
| Silva, Robert | Office Assistant | Recreation | | |
