This part-time CAD Designer role supports engineering and operations projects within the refining and petrochemical industries in Galveston, Texas. The position focuses on developing and revising technical drawings for brownfield facility modifications, including P&IDs, plot plans, equipment layouts, and isometric drawings. Key responsibilities involve incorporating field redlines to produce accurate as-built documentation, coordinating with engineering and maintenance teams, and ensuring compliance with industry standards. The role appeals to detail-oriented professionals seeking flexible hours and the opportunity to work on operational improvement projects in a collaborative environment. Candidates must be proficient in AutoCAD and possess experience with refinery or terminal facility documentation. Onsite work is required, with a preference for local candidates familiar with crude distillation units.