Today, United is the global leader in high-performance thermoplastic internal pipeline lining systems, delivering proven solutions that protect critical infrastructure from corrosion and abrasion across the oil & gas, mining, industrial, municipal, and energy markets. The Plastics Engineer will develop, optimize, document, and troubleshoot rotational lining processes, with particular emphasis on material behavior, heating and cooling cycles, rotational parameters, lining thickness and uniformity, surface preparation, and finished-product quality.