| Jones, Laura | Maintenance Aide | Public Works | 949-718-3463 | |
| Johnson, Priscilla | Library Clerk I | Library - City | 949-717-3851 | |
| Johnkins, Alexander | Librarian II | Library - City | 949-717-3840 | |
| Jacome, Sully | Library Clerk I | Library - City | 949-717-3838 | |
| Jacome, Francine | Administrative Assistant | Library - City | 949-717-3809 | |
| Johnson, Greg | Library Assistant | Library - City | 949-717-3808 | |
| Jawhary, Amanda | Management Analyst, Assistant | Community Development | 949-644-3398 | |
| Johnston, Matthew | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3355 | |
| Jordan, Daniel | Civil Engineer, Associate | Public Works | 949-644-3344 | |
| Jurjis, Seimone | Assistant City Manager | City Manager | 949-644-3282 | |
| Jen, Benjamin | Permit Technician II | Community Development | 949-644-3274 | |
| Juarez, Ivan | IT Analyst, Senior | City Manager | 949-644-3182 | |
| 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 | | |
