| Aarons, Zephyr | Lifeguard I | Fire | | |
| Arnett, Chelsea | Department Assistant | Fire | 949-644-3175 | |
| Anderson, Bryce | Fire Captain 112 Hours | Fire | 949-644-3355 | |
| Anderson, Matthew | Fire Engineer 112 Hour | Fire | 949-644-3355 | |
| Alexander, Erin | Fire Engineer 112 Hour | Fire | 949-644-3104 | |
| Alcaraz, Debbie | Administrative Assistant To The Fire Chief | Fire | 949-644-3351 | |
| Amat, Alex | Fire Captain 112 Hours | Fire | 949-644-3104 | |
| Aigner, Jason | Lifeguard II | Fire | | |
| Appeldorn, Fletcher | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Algazi, Aidan | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Alaluf, Josie | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Anderson, Morgan | Recreation Leader, Senior | Recreation & Senior Services | | |
| Arroyo, Britney | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
| Appeldorn, Gavin | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Aguilar, Miliana | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Avila, Beatriz | Office Assistant | Recreation & Senior Services | | |
| Alexander, Trasara | Recreation Leader, Senior | Recreation & Senior Services | | |
| Andersen, Leonard | Facilities Maintenance Worker II | Recreation & Senior Services | | |
| Armas, Cesar | Recreation Supervisor | Recreation & Senior Services | 949-270-8109 | |
| Alexander, Brason | Recreation & Senior Services Manager | Recreation & Senior Services | 949-644-3150 | |