Lead complex, cross-functional technical problem solving across MS&T, Manufacturing, Quality, Facilities and Plant Engineering, Automation, Capital Projects, EHS, Supply Chain, Validation, and client teams; establish problem statements, align decision criteria, direct root-cause analysis, and drive durable solutions to closure. Exercise expert-level, independent engineering judgment to make timely, risk-based decisions involving process design, scale-up, equipment capability, utility demand, containment, control strategy, manufacturability, and GMP compliance; clearly document assumptions, rationale, risks, and required escalation.