| Alvidrez, Michael | Utilities Crew Chief | Utilities | 949-718-3419 | |
| Auger, Craig | Storm Drain And Street Sweeping Supervisor | Utilities | 949-718-3481 | |
| Auger, Christian | Utilities Supervisor | Utilities | 949-644-3019 | |
| Aguirre, Richard | Storm Drain And Street Sweeping Crew Chief | Utilities | 949-718-3474 | |
| Aguirre, David | Utilities Crew Chief | Utilities | 949-718-3416 | |
| Aman, Matthew | Utilities Crew Chief | Utilities | 949-718-3425 | |
| Andersen, Leonard | Facilities Maintenance Worker II | Recreation | | |
| Avalos, Ashley | Recreation Leader, Senior | Recreation | | |
| Avila, Beatriz | Recreation Leader | Recreation | | |
| Alrawi, Zack | Recreation Leader | Recreation | | |
| Alexander, Trasara | Recreation Leader | Recreation | | |
| Alexander, Brason | Recreation Supervisor | Recreation | 949-644-3150 | |
| Arciniega, Elizabeth | Recreation Coordinator | Recreation | 949-718-1828 | |
| Armas, Cesar | Recreation Coordinator | Recreation | 949-644-8150 | |
| Arnett, Chelsea | Recreation Coordinator | Recreation | 949-718-1993 | |
| Arechiga, Samuel | Maintenance Worker II | Public Works Municipal Operations | 949-718-3463 | |
| Almaraz, Kristen | Management Analyst, Senior | Public Works Municipal Operations | 949-718-3466 | |
| Auger, Michael | Equipment Operator II | Public Works Municipal Operations | 949-718-3461 | |
| Acuna, Perry | Street Maintenance Crew Chief | Public Works Municipal Operations | 949-718-3478 | |
| Almendralo, Rodi | Civil Engineer, Associate | Public Works | 949-644-3334 | |
