| Jameson, Tyler | Senior Pool Lifeguard | Recreation | | |
| Jones, Tyler | Recreation Leader, Senior | Recreation | | |
| Jacome, Nicholas | Recreation Leader, Senior | Recreation | | |
| Jalandoni, Nathan | Recreation Leader, Senior | Recreation | | |
| Jacklin, Larry | Park Patrol Officer, Lead | Recreation | 949-795-9834 | |
| Jones, Evan | Recreation Leader, Senior | Recreation | | |
| Janda, Anna | Senior Pool Lifeguard | Recreation | | |
| Jones, Laura | Maintenance Aide | Public%20Works%20Municipal%20Operations | 949-718-3463 | |
| Jordan, Daniel | Civil Engineer, Associate | Public%20Works | 949-644-3344 | |
| Johnson, Priscilla | Library Clerk I | Library%20-%20City | 949-717-3851 | |
| Jacome, Sully | Library Clerk I | Library%20-%20City | 949-717-3838 | |
| Johnkins, Alexander | Librarian II | Library%20-%20City | 949-717-3840 | |
| Jacome, Francine | Administrative Assistant | Library%20-%20City | 949-717-3809 | |
| Johnson, Greg | Library Assistant | Library%20-%20City | 949-717-3808 | |
| 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 | | |
