Senior Performance Engineer: BESS & Solar Analytics Lead

ENGIE Group; Houston (TX); Hybrid; USD 89,000 - 128,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

Employer-paid short-term and long-term

401(k) with company match

Generous paid time off

Employee stock purchase plan (ESPP)

Job summary

ENGIE North America is seeking a Senior Performance Engineer focused on Battery Energy Storage System (BESS) and solar assets. You will lead analytics to improve availability and reliability across the fleet, develop tools, and translate data into actionable operational recommendations.

The role emphasizes collaboration with operations, asset management, OEMs, and external partners. You will guide KPI reporting, dashboards, and root-cause analyses while mentoring junior engineers.

Qualifications

• Bachelor’s degree in engineering, science, mathematics, or a related technical discipline.
• Minimum five years of professional experience in performance engineering or energy analytics for utility-scale assets.
• Direct exposure to BESS and solar assets is strongly preferred.
• Experience with data visualization tools like Power BI, Grafana, Databricks.
• Proficiency with SQL, Python, R, MATLAB, or equivalent.
• Working knowledge of electrical equipment and performance calculations for utility-scale BESS and solar plants.
• Ability to travel domestically to operating sites as needed.

Responsibilities

• Develop, maintain, and improve tools that monitor the overall performance, availability, and reliability of the operating fleet, with approximately 75% focus on BESS assets and 25% focus on solar assets.
• Lead the development and implementation of advanced analytics to proactively identify failure modes, diagnose underperformance, and provide operations with actionable recommendations.
• Lead detailed performance investigations for BESS and solar equipment, including availability losses, degradation trends, inverter or PCS issues, control system events, solar data analysis, and site-level performance studies to identify root causes of underperformance.
• Support field operations with testing, data collection, and performance validation for BESS and solar assets; for solar, this includes on-site testing, data analysis, and performance studies to assess equipment and site-level underperformance.
• Partner with operations, asset management, and technical teams to improve KPI reporting, dashboards, root-cause tracking, and asset performance visibility using scalable methods and innovative algorithms.
• Provide analytical support for budgeting, spare parts planning, outage reviews, and other operational decision-making processes.
• Help establish company standards for performance analytics, methodologies, and reporting across BESS and solar assets, including coordination with internal teams, OEMs, and external service providers as needed.
• Mentor less experienced engineers, communicate complex technical findings to diverse audiences, and take ownership of initiatives that improve fleet performance and operational decision-making.

Job description

ENGIE North America is seeking a Senior Performance Engineer focused on Battery Energy Storage System (BESS) and solar assets. You will lead analytics to improve availability and reliability across the fleet, develop tools, and translate data into actionable operational recommendations.

The role emphasizes collaboration with operations, asset management, OEMs, and external partners. You will guide KPI reporting, dashboards, and root-cause analyses while mentoring junior engineers.