Reviews contractor and system-integrator designs, programs, test plans, and commissioning deliverables for technical acceptability; provides technical direction across Operations, Metallurgy, Electrical/Instrumentation, Maintenance, IT, and vendors without direct supervisory authority; available to travel between U.S. sites and support outages, commissioning, urgent incidents, and after-hours callouts. Lead or provide technical oversight for plant startups, shutdowns, commissioning, expansions, equipment upgrades, platform migrations, acquisitions, and new-site integrations; identify and drive control-system improvements and optimization opportunities in partnership with Plant Operations, Metallurgy, Electrical/Instrumentation, and Maintenance.