We are seeking a highly skilled and motivated Battery Energy Storage System (BESS) Design Engineer to serve as a subject matter expert (SME) across our portfolio of commercial, industrial, utility-scale, and microgrid projects (100kW to 100MW). This role blends hands-on technical design with cross-functional collaboration, guiding the development and integration of BESS as standalone systems or in conjunction with solar PV and other distributed energy resources.
This is an individual contributor and technical lead position ideal for an engineer who enjoys deep technical work, solving complex challenges, and serving as a go-to expert within the organization.

• Lead the electrical design of BESS projects, including one-line diagrams, system layout, load flow, and control schematics.
• Ensure designs comply with applicable codes and standards such as NEC 706, UL 9540, NFPA 855, IEEE 1547, and local AHJ permitting requirements.
• Model system behavior for performance, lifecycle, and resiliency scenarios using industry tools.
• Support interconnection efforts by developing utility-compliant designs and interfacing with utility engineers as needed.
• Collaborate with solar PV engineering teams to optimize hybrid systems and coordinate control strategies.
• Serve as the internal escalation point for technical challenges related to BESS across projects.
• Participate in client-facing technical meetings to explain design decisions and system performance expectations.
• Contribute to technical proposals, project scope development, and preliminary design packages.
• Maintain up-to-date knowledge of BESS technologies, codes, and industry trends.
• Conduct technical reviews of peer work to ensure quality and compliance.
• Assist with field support and site assessments on an as-needed basis.
• Other tasks as assigned.
• Bachelor’s degree in Electrical Engineering or related field (Master’s degree preferred).
• Minimum 5 years of experience in the solar, storage, or microgrid industry, including at least 3 years specifically focused on BESS design and integration.
• Demonstrated expertise in BESS design, modeling, interconnection, and compliance with AHJ/utility requirements.
• Proficiency with AutoCAD, modeling tools (e.g., HOMER, PSCAD, ETAP), and control system concepts.
• Deep understanding of energy storage applications including peak shaving, time-of-use shifting, demand management, and resiliency.
• Familiarity with microgrid design, including PV+storage+genset configurations and control architectures.
• Strong communication skills with the ability to interface with clients, utilities, and cross-functional engineering teams.