MasTec - - Responsibilities: Perform Journeyman level Pipefitter work; Read and interpret project plans, blue prints, and other written instructions and diagrams; Plan, lay-out, install, test, repair and perform all types of pipe fitting and fabrication work; Install valves, couplings and other fittings; disassemble and remove damaged or worn pipe; Understand and implement lockout/tagout procedures in a safe manner