• Lead BESS technical specifications (battery modules, inverters/PCS, EMS/SCADA, transformers, and BOS components), evaluate vendor proposals for performance compliance and safety standards, and define acceptance testing criteria (FAT/SAT, commissioning). • Partner with the commercial team to translate revenue-driven requirements (capacity markets, ancillary services, demand response, tolling) into technical and contractual specifications, and support financial model inputs on equipment costs, degradation, and augmentation. • Own end-to-end procurement strategy for BESS equipment and integrator services—including RFP development, bid leveling, vendor evaluation, and contract negotiation and execution across ESAs, MSAs, LTSAs, warranty agreements, and EPC scopes. • Negotiate key contract terms including pricing, delivery timelines, liquidated damages, warranty coverage, FEOC compliance, performance guarantees, and LTSAs, while identifying and resolving technical-commercial risks early in the project lifecycle. • Serve as Madison’s technical-commercial point of contact with customers, utilities, EPC partners, and OEMs, communicating complex topics clearly to non-technical audiences and representing the company in external negotiations and diligence sessions. • Collaborate across Development, Finance, Legal, and Construction to keep projects contract-ready and execution-ready, and support investor and lender diligence with technical-commercial documentation.