Sr Energy Storage Operations Engineer

NextEra Energy, Inc•Palm Beach Gardens, FL

42d

About The Position

NextEra Energy Resources is one of America's largest wholesale electricity generators, harnessing diverse energy sources to power progress. We deliver tailored energy solutions that fuel economic growth, strengthen communities, and help customers achieve their energy goals. Ready to make a lasting impact? Take the next step in your career with us! Position Specific Description NextEra Energy's Power Generation Division seeks a Senior Engineer to serve as a subject matter expert for Battery Energy Storage Systems (BESS) across our North American portfolio. Reporting to the BESS Engineering Manager and working within a team of fleet engineers, you will own a portfolio of sites and specific equipment categories, driving technical excellence in operations, reliability, and continuous improvement. This role requires independent decision-making on complex engineering issues with limited guidance once fully onboarded.

Requirements

Bachelor's degree in Electrical, Mechanical, Chemical, or Industrial Engineering (other engineering disciplines considered with relevant experience)
Minimum 5 years of hands-on experience in design, installation, commissioning, or operations of Battery Energy Storage Systems, Solar PV, or Electric Vehicle systems
Demonstrated experience leading root cause analysis and implementing corrective actions
Working knowledge of SCADA systems, energy management systems, or plant-level controls
Strong analytical and problem-solving skills with ability to work independently
Excellent written and verbal communication skills with ability to translate complex technical concepts for diverse audiences
Willingness to travel (5-20%) and participate in on-call rotation

Nice To Haves

Master's degree in Electrical, Mechanical, or Chemical Engineering
Six Sigma Green Belt or equivalent structured problem-solving certification
Previous experience in fleet management or multi-site technical support roles
Deep subject matter expertise in one or more areas: Power electronics and inverter performance optimization Thermal management system design (HVAC, liquid cooling, CFD analysis) Fire protection systems for energy storage (UL 9540/9540A, NFPA 855) Battery Management System architecture and operations Lithium-ion battery chemistry, degradation mechanisms, and cell-level diagnostics
Experience with failure mode and effects analysis (FMEA) or reliability engineering

Responsibilities

Serve as technical subject matter expert for assigned BESS sites and equipment systems
Technical support for portfolio sites, from troubleshooting to strategic improvements
Build deep expertise in assigned focus areas (inverters, BMS, thermal systems, fire protection, etc.)
Lead remote technical support for field technicians diagnosing inverter, BMS, and auxiliary system issues
Provide clear, actionable guidance to technicians with varying levels of technical expertise
Participate in rotating on-call schedule to provide emergency technical guidance
Conduct root cause analysis (RCA) for equipment failures using structured methodologies
Collaborate with SCADA/controls team to diagnose performance issues
Develop and implement countermeasures for recurring equipment and performance issues
Design and refine preventative maintenance programs to improve system reliability
Analyze component failure rates and recommend capital replacement strategies
Create work plans and specifications for equipment upgrades and modifications
Compile technical data and conduct analysis to support regulatory compliance efforts (FERC, NERC, state agencies, fire marshal)
Prepare technical documentation, failure reports, and performance assessments for diverse audiences including management, regulatory bodies, and external stakeholders
Support warranty claims with failure analysis and documentation