| Jurjis, Seimone | Assistant City Manager | City Manager | 949-644-3282 | |
| Juarez, Ivan | IT Analyst, Senior | City Manager | 949-644-3182 | |
| Jen, Benjamin | Permit Technician II | Community Development | 949-644-3274 | |
| Jawhary, Amanda | Management Analyst, Assistant | Community Development | 949-644-3398 | |
| Jorgensen, Calvin | Lifeguard I | Fire | | |
| Johnson, Jay | Lifeguard I | Fire | | |
| Jeremias, Stuart | Lifeguard I | Fire | | |
| Jeffs, Charles | Lifeguard I | Fire | | |
| Jardim, Caden | Lifeguard I | Fire | | |
| Johnson, Karsten | Lifeguard II | Fire | | |
| Johnston, Matthew | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3355 | |
| John, Gabriel | Lifeguard II | Fire | | |
| Janis, Joseph | Fire Staff Captain, Ems/Training | Fire | 949-644-3104 | |
| Jacob, Jericho | Recreation Leader, Senior | Recreation & Senior Services | | |
| Jalandoni, Nathan | Recreation Leader, Senior | Recreation & Senior Services | | |
| Janda, Anna | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Jameson, Tyler | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Jones, Tyler | Recreation Leader, Senior | Recreation & Senior Services | | |
| Jones, Evan | Recreation Leader, Senior | Recreation & Senior Services | | |
| Jacome, Nicholas | Recreation Leader, Senior | Recreation & Senior Services | | |
