| Magana, Vanessa | Library Clerk II | Library - City | 949-717-3857 | |
| Mears, Genoa | Harbor Services Worker | Harbor Department | | |
| Moon, Patricia | Library Clerk I | Library - City | 949-717-3851 | |
| Mastro, Martin | Harbor Services Worker | Harbor Department | | |
| Maberry, Scott | Harbor Services Worker, Lead | Harbor Department | | |
| Marquez Reynoso, Bryan | Maintenance Worker I | Public Works Municipal Operations | | |
| Montana, Steve | Maintenance Aide | Public Works Municipal Operations | 949-718-3463 | |
| Mason, Luke | Public Works Supervisor | Public Works Municipal Operations | 949-644-3067 | |
| Martinez, Michael | Equipment Operator II | Public Works Municipal Operations | 949-718-3461 | |
| Martin, Micah | Deputy Public Works Director - Municipal Operations | Public Works Municipal Operations | 949-644-3059 | |
| Mcgill, Michael | Equipment Operator II | Public Works Municipal Operations | 949-718-3463 | |
| Miranda, Armando | Equipment Operator I | Public Works Municipal Operations | 949-718-3461 | |
| Martinez, Andrew | Equipment Mechanic, Senior | Public Works Municipal Operations | 949-644-3063 | |
| Marshall, Jake | Civil Engineer, Associate | Public Works | 949-644-3323 | |
| Mackay, Haley | Public Works Technical Aide | Public Works | 949-270-8130 | |
| Miller, Christopher | Administrative Manager | Public Works | 949-644-3043 | |
| Montes, Milton | Utilities Specialist | Utilities | 949-718-4418 | |
| Meadow, Michael | Utilities Specialist, Senior | Utilities | 949-718-4418 | |
| Martinez, Ruben | Maintenance Worker I | Utilities | 949-718-3407 | |
| Millard, Brent | Utilities Supervisor | Utilities | 949-718-3414 | |
