Senior Performance Engineer - BESS & Solar

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

Senior Performance Engineer - BESS & Solar

As a Senior Performance Engineer within ENGIE North America’s Renewable & Flex Power Generation Business Unit, you will provide advanced data analytics and performance engineering leadership for the company’s renewable asset fleet across the USA. This role will focus approximately 75% on Battery Energy Storage System (BESS) assets and 25% on solar assets, with responsibility for improving performance, availability, and reliability through advanced analytics, visualization tools, KPI reporting, and cross-functional operational support. You will also help develop standards, tools, and processes that elevate fleet performance, coordinate internal and external stakeholders, and translate data into actionable recommendations that improve technical and financial outcomes.

Reporting to: Performance Analytics Manager

Primary Duties:

• Develop, maintain, and continuously 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

What You’ll Bring

• Bachelor’s degree in engineering, science, mathematics, or a related technical discipline
• Minimum five (5) years of professional experience in performance engineering, energy analytics, or operations support for utility-scale power generation assets, with direct exposure to BESS and solar strongly preferred.
• Experience with data visualization tools and platforms such as Power BI, Grafana, Databricks, or similar analytics environments
• Proficiency with programming and data analysis tools such as SQL, Python, R, MATLAB or equivalent
• Working knowledge of electrical equipment, controls, and performance calculations for utility-scale BESS and solar plants, including solar site testing, operational data analysis, and performance studies
• Experience working with and improving data architectures, analytics workflows, and reporting processes for utility-scale renewable assets is strongly preferred
• Ability to clearly communicate complex technical findings to diverse audiences and collaborate effectively with operations, asset management, OEMs, and external engineering partners
• Demonstrated ability to lead initiatives, work independently, manage multiple priorities concurrently, and implement practical solutions in a fast-paced, deadline-driven environment
• Strong analytical, organizational, and interpersonal skills, with a high degree of accuracy and ownership
• Ability to travel to operating sites as needed, including locations in Texas and California
• Eligible for hybrid work policy (based in Houston, TX), three days working in the office with two days remote.
• Must be available for domestic travel up to 10% of the time, including some overnight trips
• Must comply with all ENGIE ethics and safety policies

Compensation

Salary Range: $88,800 – $128,000 USD annually

This represents the average expected pay range for a qualified candidate.

ENGIE complies with all federal, state, and local minimum wage laws. Actual salary offered may vary depending on geography, experience, education, internal pay alignment, or other bona fide factors.

In addition to base pay, this position is eligible for a competitive bonus / incentive plan.

Your Talent Acquisition Partner can share more specific information regarding the benefits or the salary for the position based on the work location.

At ENGIE, we take your well-being seriously. Our comprehensive benefits package includes options for medical, dental, vision, life insurance, employer-paid short-term and long-term disability insurance, ESPP, generous paid time off including wellness days, holidays and leave programs. We also help you plan for retirement by offering a 401(k) Retirement Savings Plan with a company match. But that's not all - we're dedicated to the health and happiness of your entire family, offering supplemental benefits for full time employees that enhance emotional and physical well-being through all stages of life from family forming to caregiver benefits. Explore our benefits package to see how we can support you. Learn more .

Why ENGIE?

ENGIE North America isn’t just participating in the Zero-Carbon Transition, we’re leading it! Join us as we develop energy that is renewable, efficient, and accessible to everyone.

At ENGIE, every talent has a role to play in the adventure of the century. Make a difference and enjoy a fulfilling professional experience. Take on exciting challenges and build a career path that reflects who you are.

Join us and be part of the adventure!

ENGIE is proud to be an equal opportunity workplace, and we are firmly committed to creating an inclusive workplace for all employees. We are committed to providing employees with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or other legally protected status.

If you need assistance with this application or a reasonable accommodation due to a disability, you may contact us at [e-mail]. This email address is reserved for individuals with disabilities in need of assistance and is not a means of inquiry regarding positions or application status.

We are unable to sponsor or take over sponsorship of an employment visa for this role at any time.

The safety of our employees is our number one priority. All employees at ENGIE have both a duty and the authority to STOP WORK if unsafe acts are observed.

Business Unit: GBU Renewables & Flexible Power

Company Name: ENGIE North America

Minimum Base Salary: 88,800.00 USD

Maximum Base Salary: 147,900.00 USD

Pay Basis: Annual