| Ambrose, Trevor | Lifeguard II | Fire | | |
| Ambrose, Madilynn | Lifeguard I | Fire | | |
| Aarons, Zephyr | Lifeguard I | Fire | | |
| Amling, Caroline | Lifeguard I | Fire | | |
| Arnett, Chelsea | Department Assistant | Fire | 949-644-3175 | |
| Anderson, Bryce | Firefighter Paramedic 112 Hour (Before 1-1-2016) | 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 | | |
| Ali, Shan | Intern | Public%20Works%20Municipal%20Operations | 949-718-3403 | |
| Acuna-Gonzalez, Martin | Maintenance Worker I | Public%20Works%20Municipal%20Operations | | |
| Arechiga, Samuel | Equipment Operator I | Public%20Works%20Municipal%20Operations | 949-718-3463 | |
| Auger, Michael | Public Works Supervisor | Public%20Works%20Municipal%20Operations | 949-718-3463 | |
| Acuna, Perry | Public Works Crew Chief | Public%20Works%20Municipal%20Operations | 949-718-3478 | |
| Aube, Kyle | Civil Engineer, Associate | Public%20Works | 949-644-3296 | |
| Aman, Matthew | Public Works Inspector II | Public%20Works | 949-718-1850 | |
| Almendralo, Rodi | Civil Engineer, Associate | Public%20Works | 949-644-3334 | |
| Avina, Jaime | Utilities Specialist | Utilities | 949-718-4418 | |
