Position Purpose: Under general supervision, installs, maintains, calibrates, troubleshoots, repairs, modifies, and overhauls instrumentation; controls, communication systems and computer and microprocessor systems associated with the Sewerage Conveyance/Collection System and with treatment plants processing of raw sewerage. Also installs, maintains, calibrates, troubleshoots, repairs, and overhauls non-process equipment such as, but not limited to, safety, surveillance and security, and analytical instrumentation.