Federal Government Jobs in Ontario, CA

Jobtitle	Job Location	Public	Department	Posted	Deadline
Detection Enforcement Officer	Riverside, CA	Pub	Homeland Security	08/02/26	08/07/26
Legal Assistant (OA)	Santa Ana, CA	Pub	Homeland Security	07/29/26	08/06/26
Legal Assistant (OA)	Irvine, CA	Pub	Homeland Security	07/29/26	08/06/26
Enforcement and Removal Assistant (OA)	Santa Ana, CA	Pub	Homeland Security	07/28/26	08/03/26
Enforcement and Removal Assistant (OA)	San Bernardino, CA	Pub	Homeland Security	07/28/26	08/03/26
Mission Support Specialist	Santa Ana, CA	Pub	Homeland Security	07/28/26	08/11/26
Special Agent	Santa Ana, CA	Pub	Homeland Security	04/09/26	09/30/26
Special Agent	Riverside, CA	Pub	Homeland Security	04/09/26	09/30/26
Assistant United States Attorney	Riverside, CA	Pub	Justice	04/13/26	09/30/26
Assistant United States Attorney	Santa Ana, CA	Pub	Justice	04/13/26	09/30/26