| Alcaraz, Debbie | Administrative Assistant To The Fire Chief | Fire | 949-644-3351 | |
| Alannouf, Anthony | Budget Analyst | Finance | 949-644-3122 | |
| Aquino, Dan | Civil Engineer - Plan Check, Principal | Community Development | 949-644-3292 | |
| Aube, Kyle | Civil Engineer, Associate | Public Works | 949-644-3296 | |
| Almendralo, Rodi | Civil Engineer, Associate | Public Works | 949-644-3334 | |
| Anderson, Steven | Department Assistant | Finance | 949-644-3032 | |
| Arnett, Chelsea | Department Assistant | Fire | 949-644-3175 | |
| Acuna-Gonzalez, Martin | Facilities Maintenance Technician | Public Works | 949-644-3067 | |
| Andersen, Leonard | Facilities Maintenance Worker II | Recreation & Senior Services | | |
| Al-Imam, Jason | Finance Director/City Treasurer | Finance | 949-644-3126 | |
| Anderson, Bryce | Fire Captain 112 Hours | Fire | 949-644-3355 | |
| Amat, Alex | Fire Captain 112 Hours | Fire | 949-644-3104 | |
| Anderson, Matthew | Fire Engineer 112 Hour | Fire | 949-644-3355 | |
| Alexander, Erin | Fire Engineer 112 Hour | Fire | 949-644-3104 | |
| Aniol, Hali | Fiscal Clerk, Senior | Finance | 949-644-3248 | |
| Arechiga-Camacho, Sonia | Fiscal Clerk, Senior | Finance | 949-644-3137 | |
| Asato, Natalie | Human Resources Analyst, Senior | Human Resources | 949-270-8141 | |
| Arellano, Tosha | Human Resources Analyst, Senior | Human Resources | 949-644-3337 | |
| Avila, Jasmin | Librarian I | Library - City | 949-717-3824 | |
| Angeloff, Anne-Marie | Library Assistant | Library - City | 949-717-3861 | |
