Description: * Installs and maintains process pipe and piping systems within the refinery. * Selects, installs, and removes various pipe, and piping systems, fittings, gaskets, tubing, and valves. * Repairs and replaces flanges and performs maintenance on leaking pipes. Follows safety and work permits to tie into existing lines, vessels, or tanks. * Uses hand and power tools to complete assigned work tasks. * Uses precision measuring and alignment tools to ensure proper alignment. * Demonstrate…