BESS Engineering Lead

Intersect is a company focused on innovative energy solutions and modern infrastructure, recently acquired by Google to enhance their capabilities. They are seeking a BESS Engineering Lead to oversee the technical design and optimization of energy storage systems while collaborating closely with various teams to ensure project success.

Responsibilities:

• Own Technical Design & System Performance
• Lead system sizing, arrangement, electrical modeling, and balance-of-system design for standalone and hybrid ESS projects
• Ensure storage systems meet contractual offtake requirements and financial model assumptions over the life of the asset
• Optimize designs to achieve lowest LCOE/LCOS while maintaining constructability and reliability
• Drive Cross-Functional Optimization
• Guide cross-functional design efforts across Development, Land, Finance, and Engineering to align cost, production, land use, and performance
• Identify technical risks and opportunities early, quantifying impacts and mitigation strategies
• Support Procurement and Operations teams with technical expertise throughout project lifecycle
• Lead Technical Commercial Strategy
• Serve as technical lead in energy storage PPA negotiations, delivering cost-optimized and constructable solutions
• Support EPC RFP processes and commercial supply agreements by clearly defining and safeguarding technical requirements
• Act as ESS technical lead for Independent Engineer diligence and project financing processes
• Advance Technology & Engineering Standards
• Lead equipment and technology selection, evaluating lithium-ion and alternative storage technologies for bankability and performance
• Develop and maintain technical specifications, design standards, EPC exhibits, vendor requirements, and testing protocols
• Build and enhance internal engineering tools or software (VBA, Matlab, Python, or similar) to generate fast, accurate performance modeling
• Interface with ESS integrators, vendors, EPCs, and Owners Engineers to ensure technical alignment
• Uphold the highest environmental health and safety standards across all engineering decisions

Requirements:

• BS in Electrical Engineering or equivalent
• Minimum 4 years of experience leading technical scope for utility-scale PV and/or battery storage projects across development, design, contracting, and construction phases
• Deep technical expertise in lithium-ion battery systems, including chemistries, system architecture, optimization levers, cost drivers, lifecycle considerations, and construction challenges
• Strong understanding of utility-scale power conversion systems, transformers, skidded inverters, and battery technologies
• Working knowledge of applicable codes and standards (NEC, IBC, IFC, NFPA, UL, IEC, UL9540A, UL1741, etc.) across permitting, design, construction, and operations
• Experience supporting Independent Engineer diligence and interfacing with project finance stakeholders
• Proficiency in scripting or automation tools such as VBA, Matlab, Python, or similar
• Commercial mindset with strong focus on LCOE/LCOS optimization and risk quantification
• Ability to thrive in a cross-functional environment, guiding discussions across engineering, land, production modeling, cost, and development dependencies
• Strong project management skills with the ability to prioritize effectively in a fast-paced growth environment
• Collaborative, solutions-oriented approach aligned with Intersect's mission and growth mindset
• Master's or PhD is a plus
• PV engineering experience is a plus
• Familiarity with alternative storage technologies (flow batteries, hydrogen, flywheels, compressed air, etc.) is a plus
• Background in power plant controls architecture and SCADA is a plus