| Ruffini, Tyler | Lifeguard I | Fire | | |
| Rusas, Patricia | Department Assistant | Utilities | 949-644-3062 | |
| Rush, Dean | Fire Captain 112 Hours | Fire | 949-644-3104 | |
| Rusiecki, Jennifer | Department Assistant | Library - City | 949-717-3874 | |
| Ruzgerian, Gregory | Utilities Specialist, Senior | Utilities | 949-718-3434 | |
| Ryan, Hailey | Recreation Leader, Senior | Recreation & Senior Services | | |
| Rygiel, Martin | IT Analyst | City Manager | 949-644-3092 | |
| Sain, Cristin | Recreation Coordinator | Recreation & Senior Services | 949-270-8155 | |
| Salazar, Arthur | Firefighter Paramedic 112 Hour (On Or After 1-1-2016) | Fire | 949-644-3113 | |
| Salazar, Jesse | Utilities Specialist | Utilities | 949-718-3416 | |
| Salerno, Robert | Firefighter 112 Hours | Fire | 949-644-3104 | |
| Sanabria, Philip | Contractor | Public Works | | |
| Sanchez, Chris | Building Inspector, Principal | Community Development | 949-644-3266 | |
| Sanchez, Deborah | Library Page | Library - City | 949-717-3851 | |
| Sanchez, Eric | Firefighter 112 Hours | Fire | 949-644-3113 | |
| Sanchez, Jasmine | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
| Sanchez, Jessica | Permit Technician II | Public Works | 949-644-3041 | |
| Sanchez, Terry | Library Assistant | Library - City | 949-717-3895 | |
| Sanchez-Valencia, Alex | Utilities Crew Chief | Utilities | 949-718-3437 | |
| Sandefur, Thomas | Assistant City Engineer | Public Works | 949-644-3321 | |
