| Alarcon, Cruz | Lifeguard I | Fire | | |
| Aune, Tor | Lifeguard I | Fire | | |
| Acevedo-Schiesel, Daniela | Lifeguard I | Fire | | |
| Aarons, Zephyr | Lifeguard I | Fire | | |
| Ambrose, Trevor | Lifeguard II | Fire | | |
| Aigner, Jason | Lifeguard II | Fire | | |
| Arechiga, Samuel | Maintenance Operator | Public Works | 949-718-3463 | |
| Avila, Beatriz | Office Assistant | Recreation & Senior Services | | |
| Arregui, Gerardo | Planner, Assistant | Community Development | 949-644-3249 | |
| Aman, Matthew | Public Works Inspector II | Public Works | 949-718-1850 | |
| Auger, Michael | Public Works Supervisor | Public Works | 949-718-3463 | |
| Anderson, Jennifer | Purchasing And Contracts Administrator | Finance | 949-644-3080 | |
| Alexander, Brason | Recreation & Senior Services Manager | Recreation & Senior Services | 949-644-3150 | |
| Arciniega, Elizabeth | Recreation Coordinator | Recreation & Senior Services | 949-718-1828 | |
| Arroyo, Britney | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
| Anderson, Morgan | Recreation Leader, Senior | Recreation & Senior Services | | |
| Alexander, Trasara | Recreation Leader, Senior | Recreation & Senior Services | | |
| Armas, Cesar | Recreation Supervisor | Recreation & Senior Services | 949-270-8109 | |
| Appeldorn, Fletcher | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Algazi, Aidan | Senior Pool Lifeguard | Recreation & Senior Services | | |
