The Water & Engineering Technology department is seeking a Principal Engineer - Treatment Plant Services. This position performs in all aspects of engineering as it relates to wastewater treatment and pumping, including facilities planning, design, and construction management.  Plans, coordinates, and manages capital expansion programs.   Oversees the coordination of the work with government agencies and other stakeholders, including contractors, consultants, and other Clean Water Services departments and divisions.   Ensures the District remains compliant with current and future regulatory requirements, while minimizing interruptions to the operations and maintenance of the wastewater treatment facilities, pump stations, and sanitary sewer conveyance.