Maintained, troubleshooted, and managed all plumbing, fire suppression, water and waste water distribution systems, back prevention systems, natural gas distribution systems, liquid fuel storage, distribution, and dispensing systems on JBER, AK.Maintained, inspected, and repaired natural gas, swimming pools, plumbing, water and wastewater treatment systems, fire suppression, and backflow prevention assembly and program. Performed inspection, recurring maintenance, winterize, and overhaul systems. Operationally inspected and diagnosed malfunctions in mechanical and electrical system controls and components using technical orders, manufactures’ handbooks, local procedures, code and directives. Inspects condition and operation of electrical components such as motors, disconnect switches, contacts, solenoids, relays, alarms, cathodic protection systems and programmable logic controls. Conducted fuel system components, and performs pressure testing and maintenance on fuel system piping. Performed confined space entries to accomplish system maintenance. Solved complex maintenance problems by studying layout drawings, wiring diagrams, and schematics to analyze, isolate and troubleshoot system malfunctions. Removed, repaired, and replaced defective components. Installed, modified, repaired, and maintained a variety of new and existing utility, supply, and disposal systems and equipment such as sewage, water, oil, and gas distribution systems, and water closets, tubs, backflow prevention devices/assemblies, fire sprinkler systems, and showers. Located and tapped main lines, set up system routes, placed and cut route openings, placed hangers for proper level and slope, and determined and installed valves, traps, and unions as needed for proper operation of a variety of systems and equipment. Developed and establishes operation and maintenance procedures to ensure maximum efficiency.