OPEN UNTIL FILLED. Any applications received after January 26, 2020, will only. be considered if position is not filled. HELIX WATER DISTRICT, La Mesa, CA (located in East San Diego County) is seeking an. Operations and Maintenance Technician. to join our team. Come work for an organization where people make a difference, leaders appreciate your contributions and talents, and where employees develop their skills and abilities while working towards their professional aspirations.. The Operations and Maintenance Technician performs a wide variety of skilled tasks in the installation, repair and... view job details