Perform interdisciplinary reviews (civil/structural, mechanical, process, I&C) to resolve interface issues (e.g., electrical room layouts, equipment access, hazardous area impacts, heat loads, routing, grounding interfaces) . Procurement, Vendor Management, and Technical Governance: Write and maintain equipment and installation specifications for HV/MV/LV systems (switchgear, MCCs, transformers, UPS, batteries, cable, terminations, trays, conduit, grounding) .