Federal Government Jobs in Costa Mesa, CA

Jobtitle	Job Location	Public	Department	Posted	Deadline
Data Scientist-Direct Hire-6-Month Register	Lake Forest, CA	Pub	The Treasury	07/01/26	01/04/27
Data Scientist-Direct Hire-6-Month Register	El Monte, CA	Pub	The Treasury	07/01/26	01/04/27
Actuary (Employee Plans) - 12 Month Register	Santa Ana, CA	Pub	The Treasury	06/16/26	03/29/27
Actuary (Employee Plans) - 12 Month Register	Lake Forest, CA	Pub	The Treasury	06/16/26	03/29/27
Actuary (Employee Plans) - 12 Month Register	El Monte, CA	Pub	The Treasury	06/16/26	03/29/27
SECURITY GUARD	Seal Beach, CA	Pub	The Navy	03/26/26	12/25/26
POLICE OFFICER	Seal Beach, CA	Pub	The Navy	02/22/26	11/10/26
POLICE OFFICER	Seal Beach, CA	Pub	The Navy	02/17/26	11/18/26
Heavy Mobile Equipment Repairer	Los Alamitos, CA	Pub	The Army	04/23/26	10/22/26
HELICOPTER PILOT (ACCELERATED HIRE)	Los Alamitos, CA	Pub	The Army	12/27/25	09/30/26