Must be able to work in cold to hot temperatures; work around dust, fumes, and/or moderate to loud noises; works inside and/or outside; Able to climb stairs and ladders; walk on paved and unpaved surfaces; sit at a desk and operate a computer and keyboard; visual acuity to review written documentation; ability to hear, speak, and understand speech at normal room levels and on the telephone; manual dexterity to operate a telephone; lift horizontally and vertically, bend, stoop, stand, and reach; Ability to work at elevated heights. Essential Duties and Responsibilities: Process Engineering: Develop and update material and energy balances, PFDs, P&ID's, equipment sizing and specifications required to design, troubleshoot, analyze, and document unit operations across the entire facility including production and utilities departments, wastewater treatment and environmental compliance.