• Lead and maintain ownership over the technical design (system sizing, equipment selection, electrical modeling, and balance of system) to ensure performance over the life of the system meets the required contractual off-take agreements and financial model expectations • Manage external engineering stakeholders (EPC engineering teams, Owner’s Engineer, Independent Engineer), drive technical decisions, and review/approve key deliverables to ensure compliance with PPA/IA, codes/standards, technical specifications, and constructibility expectations. • Lead equipment and technology selection, analyzing new technology with suppliers, EPCs, and IEs to understand bankability, performance, and design impacts • Lead and manage the Independent Engineer (IE) diligence process during project financing, including managing the IE scope and supporting responses/closeout of diligence items • Lead the development of electrical sizing and analysis tools/ software to generate quick and comprehensive design calculations, performance results and estimates. • Own development and maintenance of technical specifications, design criteria, standards, and exhibits (EPC technical exhibits, testing protocols, vendor specifications, etc.) to ensure all documentation is comprehensive and maintains a high-quality product. • Serve as technical lead in vendor and EPC interactions, review proposals and technical schedules, and support contract exhibit negotiations. • Review constructibility and support field execution through COD, respond to RFIs/submittals, support commissioning plans and testing, and resolve electrical issues through COD. • Support EPC RFPs and commercial supply agreements to ensure technical requirements are accurately defined and reflected while ensuring lower LCOE • Work cross functionally with development, land, engineering, procurement, construction and O&M teams to ensure designs align with site constraints, permitting, schedule, and commercial requirements. • Interface, communicate, and establish relationships with vendors and suppliers in direct support of the Procurement team • Ensure timely and cost-effective resolutions for regulatory, permitting, and technical issues associated with the execution and delivery of PV facilities. • Ensure the highest level of environmental health and safety standards in all engineering with aspects of the facility