Manages complete engineering projects for fabricated and packaged air and process gas equipment systems. Evaluates designs, components, materials, and applications; interprets customer specifications; prepares technical submittals, drawings, calculations, load lists, and bills of materials. Coordinates with customers, vendors, sales, purchasing, manufacturing, and designers through design reviews, inspections, and testing. Supports proposals, component standardization, product improvements, and R&D initiatives while managing multiple priorities.