Review and validate vendor documentation packages, including ITPs, material certifications/MTRs, weld and NDE records (as applicable), calibration records, MDRs/nameplate data, FAT procedures and results, and equipment data books; hold release when documentation is incomplete or nonconforming. Responsibilities (What You ll Do): Conduct supplier surveillance at vendor facilities (pre-qualification, periodic, and for-cause) to verify compliance with contracts, specs, drawings, ITPs, codes, and quality requirements for mechanical equipment such as tanks, pressure vessels, pumps, compressors, boilers, skids, and associated rotating equipment.