BESS Engineer

About This Role

As part of Intersect’s Engineering team, you’ll help design and deliver utility-scale battery energy storage systems that enable reliable, scalable clean energy infrastructure. This role brings together system design, performance modeling, and cross-functional collaboration to ensure high-performing energy storage assets integrate seamlessly with generation and grid systems. You’ll play a key role in advancing projects from concept through execution, contributing to long-term decarbonization outcomes.

Team Overview

This team plays a critical role in advancing Intersect’s mission to accelerate the renewable energy transition by designing and delivering high-impact energy infrastructure at scale. Working at the intersection of engineering, development, and execution, the team ensures projects are optimized for performance, safety, and long-term value. Joining this team means collaborating with experts across disciplines while contributing to projects that shape the future of energy.

What You’ll Do

Design and Optimize Energy Storage Systems

• Lead a BESS project life cycle from land acquisition to COD

• Support technical negotiations with the BESS OEM, EPCs and their subcontractors

• Design and size utility-scale battery energy storage systems to meet project performance and reliability targets

• Develop and refine performance models to optimize system efficiency and long-term output

• Integrate storage systems with generation assets to ensure seamless operation and grid compatibility

Develop Power Systems and Infrastructure

• Build and validate medium-voltage infrastructure calculation tools for large-scale energy projects

• Support power plant design aligned with electrical and safety standards

• Apply engineering best practices to ensure safe, scalable, and compliant system architecture

Collaborate to Deliver High-Impact Projects

• Partner with cross-functional teams across engineering, development, and execution to bring projects to life

• Contribute technical expertise to support decision-making across project lifecycle stages

• Help deliver reliable, high-performance storage solutions that align with long-term infrastructure goals

What You’ll Bring

• Bachelor’s degree in Electrical Engineering is mandatory, a M.S.EE or PhD is preferred

• 3–7 years of experience in energy storage, power generation, or similar industries; experience with independent power producers will help you succeed

• Hands-on experience designing or supporting utility-scale energy storage or large-scale power systems

• Strong understanding of grid integration and power systems engineering principles

• Expertise in BESS sizing, system design, and performance modeling

• Experience developing medium-voltage infrastructure models and supporting large-scale plant design

• Familiarity with lithium-ion battery systems, particularly LFP chemistry for stationary applications

• Working knowledge of NEC, NFPA, IEEE, and other applicable electrical and safety standards

• Experience with modeling tools such as PSCAD, ETAP, or similar platforms

• Strong analytical and problem-solving skills with the ability to interpret complex technical requirements

• Established connections within the energy storage ecosystem, including OEMs, EPC firms, or power producers, will help you succeed

• Understanding of energy markets, project development cycles, and performance optimization strategies will help you succeed

• A collaborative, detail-oriented work style that enables success in fast-paced, cross-functional environments

• Curiosity, adaptability, and a grounded approach to solving complex engineering challenges

• A commitment to technical excellence, safety, and building infrastructure with long-term impact, aligned with Intersect’s core values