Oversee installation of mission-critical mechanical systems including, but not limited to: Electrical switchyards, switchgear and transformers, high and medium-voltage distribution systems, UPS, BESS, ATS and backup generator systems, busways, PDU's, electrical raceways and cable infrastructure, lighting and emergency power systems. Work with commissioning agents, GC's, EPC's and client to ensure successful commissioning activities, energization of building systems and components, phased start-up and turnover of different portions of the buildings on-site.