Senior BESS Engineer

ENTRUST Solutions Group is a community of over 3,000 dedicated professionals committed to providing comprehensive engineering, consulting, and automation services. The Senior BESS Engineer provides technical leadership for battery energy storage projects, ensuring designs meet regulatory and safety requirements while mentoring junior engineers and collaborating with various stakeholders.

Responsibilities:

• Act as a trusted advisor to clients, providing engineering recommendations, risk assessments, and design alternatives
• Lead the design of utility-scale and/or C&I BESS including batteries, PCS/inverters, MV/LV equipment, transformers, protection, grounding, and auxiliary systems
• Develop and review one-line diagrams, layouts, control schematics, grounding plans, and specifications
• Support interconnection applications, utility coordination, and technical negotiations
• Evaluate battery performance, degradation, thermal behavior, and system lifecycle considerations
• Review OEM and EPC technical submittals, compliance matrices, and FAT/SAT documentation
• Ensure compliance with NEC, NFPA 855, UL 9540 / 9540A, IEEE, IEC, and AHJ requirements
• Support fire protection coordination, hazard mitigation strategies, and safety narratives
• Participate in or lead technical risk reviews and HAZOP-style assessments
• Support RFP responses, proposals, and engineering cost estimates
• Coordinate across civil, structural, protection & controls, and SCADA disciplines

Requirements:

• 7–12+ years of electrical or power engineering experience
• 5+ years of direct experience with BESS, renewables, or utility-scale power projects
• Experience working in an engineering consulting, EPC, or utility advisory role
• Strong knowledge of medium- and high-voltage systems and substation-connected assets
• Proven experience with battery technologies (e.g., Li-ion / LFP), PCS, EMS, and protection systems
• Proficiency with tools such as ETAP, SKM, PSCAD, PowerWorld, AutoCAD, or equivalent