Company Overview LG Energy Solution Vertech, Inc. (LGES Vertech) is a full-service energy storage system supplier and integrator. Using our core strengths of expert service to our customers, unparalleled safety, and excellence in manufacturing, we bring standardized, fully integrated energy storage systems to a rapidly growing worldwide market. Our systems address our customers' needs to reduce capital equipment and installation costs while enhancing system level performance and reliability using automated monitoring systems and analytics across the battery, power conditioning and auxiliary systems. Our AEROS energy operating system is the engine of innovation to provide advanced control functions allowing our customers to maximize the value of their energy storage assets. Our service capabilities include advanced monitoring and analytics, scheduled maintenance, augmentation, and auxiliary system upgrades. The combination of excellence in battery technology and production coupled with nearly two decades of energy storage integration makes LGES Vertech a leading supplier and integrator in the power and energy markets. LGES Vertech empowers and expects its team members to assume responsibility and make good decisions, while maintaining a team environment that fosters collaboration and innovation. Our diverse and growing team enjoys competitive salaries, generous benefits, including 100% employer sponsored medical, dental and vision insurance,and flexible working hours. For more information about LGESVT, please visit ;br> Position Overview The Manager of BESS Standard Solutions is responsible for leading a multidisciplinary engineering team to develop, optimize, and maintain standardized battery energy storage system (BESS) power block solutions. This role focuses on creating technically sound, commercially competitive, and execution-ready standard configurations built around

LGES ESS

products, paired with appropriately specified power conversion systems (PCS) and medium-voltage transformers (MVT). The outputs of this team directly enable our Sales teams to efficiently bid projects using pre-engineered, well-documented solutions, while also supporting downstream execution teams post-contract. This role reports to the Director of Project and Applications Engineering. This role will work out of LGES Vertech's Westborough, MA office. Primary Responsibilities Lead and manage a team of engineers with specialties spanning electrical engineering, PCS, transformers, system engineering, and technical documentation. Establish and enforce engineering rigor, documentation standards, and review processes within the team. Mentor and develop team members, setting clear expectations, goals, and performance standards. Define and own standard BESS power block architectures, including battery containers, PCS, MV transformers, auxiliary systems, and interfaces. Collaborate cross-functionally with Product Engineering, Sales Engineering, Project Engineering, Supply Chain, Product Management, to align standard solutions with business strategy. Specify and technically vet PCS and MV transformer solutions in collaboration with Supply Chain, ensuring alignment with performance, reliability, cost, and constructability goals. Perform system-level technical analysis and due diligence to optimize standard solutions for performance, efficiency, grid compliance, constructability, and lifecycle cost. Ensure standard solutions meet applicable codes, standards, and interconnection requirements across target markets. Develop and maintain high-quality documentation for standard solutions, including technical descriptions, one-lines, schematics, performance envelopes, assumptions, and constraints. Enable Sales and Sales Engineering teams by providing clear, consistent, and trusted standard solution packages for project bidding. Support execution teams post-contract by ensuring standard solution documentation is sufficient for detailed engineering, procurement, and construction. Drive continuous improvement of standard offerings based on market feedback, project learnings, supplier updates, and cost or performance optimization opportunities. Qualifications Bachelor's degree in Engineering 6+ years of experience in BESS related Engineering Deep understanding of BESS Systems including Inverters, Batteries, BMS, Transformers, and Controls Prior experience leading or managing technical teams Ability to translate complex technical solutions into clear, customer ready documentation Strong cross functional communication skills Demonstrated ability to balance technical rigor with commercial practicality Comfortable in fast paced environment with competing priorities and evolving product offerings Experience performing technical studies, system optimization, and engineering due diligence for BESS systems