| Shintaku, Cynthia | Administrative Assistant | Harbor Department | | |
| Silva, Robert | Construction Inspection Supervisor | Public Works | 949-270-8131 | |
| Sain, Cristin | Recreation Coordinator | Recreation & Senior Services | 949-270-8155 | |
| Stoerck, Thomas | Harbor Services Worker | Harbor Department | 949-270-8159 | |
| Sanford, Ryan | Harbor Services Worker, Lead | Harbor Department | 949-270-8159 | |
| Stanley, Matthew | Harbor Services Worker, Lead | Harbor Department | 949-270-8159 | |
| Sanchez, Jessica | Permit Technician II | Public Works | 949-644-3041 | |
| Sledd, Michael | Deputy Public Works Director - Municipal Operations | Public Works | 949-644-3059 | |
| Shank, David | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3104 | |
| Spiker, Chad | Fire Staff Captain, Ems/Training | Fire | 949-644-3104 | |
| Shook, Travis | Fire Engineer 112 Hour | Fire | 949-644-3104 | |
| Salerno, Robert | Firefighter 112 Hours | Fire | 949-644-3104 | |
| Strack, James | Fire Captain 112 Hours | Fire | 949-644-3104 | |
| Sutherland, Brett | Fire Captain 112 Hours | Fire | 949-644-3104 | |
| Sanchez, Eric | Firefighter 112 Hours | Fire | 949-644-3113 | |
| Swisher, Christopher | Firefighter 112 Hours | Fire | 949-644-3113 | |
| Salazar, Arthur | Firefighter Paramedic 112 Hour (On Or After 1-1-2016) | Fire | 949-644-3113 | |
| Summerhill, Yolanda | Assistant City Attorney | City Attorney | 949-644-3135 | |
| Stinson, Mariah | Administrative Assistant | Recreation & Senior Services | 949-644-3158 | |
| Schmillen, Justin | Deputy Recreation & Senior Services Director | Recreation & Senior Services | 949-644-3160 | |
