System Performance Analyst

Canadian Solar; United States; Remote; USD 80,000 - 120,000; Full time

Benefits offered by this job

Health coverage

Retirement plans

Paid time off

Annual bonus

Job summary

e-STORAGE, a subsidiary of Canadian Solar, is seeking a System Performance Analyst to analyze performance data from battery storage systems. The role spans BESS, engineering, and data analytics to drive improvements in system availability and capacity in the USA.

The candidate will develop automation tools (Python scripts), model battery degradation for warranty terms, and produce client-facing reports. A Science or Engineering degree and strong Python/SQL proficiency are required.

Qualifications

• Science or Engineering degree or equivalent.
• Familiarity with BESS, solar energy, or power systems.
• Fluent in Python programming, Jupyter notebook environment and SQL language.
• Knowledge of AWS cloud would be an asset.

Responsibilities

• Analyze BESS performance, downtime, and sub-systems to drive improvements and availability.
• Prepare reports and dashboards showing KPIs like Availability, Energy, RTE, SoC for internal and external stakeholders.
• Calculate equipment unavailability and LDs; coordinate with suppliers and owners.
• Review monthly performance reports from subcontractors for accuracy; prepare client-facing reports.
• Develop scripts and automation to collect and process data for O&M and real-time monitoring.
• Model and simulate battery degradation to inform warranty terms and augmentation schedules; update programs with industry trends.
• Interface with Engineering, Service, and Project teams and with subcontractors and clients.

Skills

Python

SQL

Jupyter notebook

Big data analysis

Problem solving

Communication skills

Microsoft Excel

Analytical thinking

Education

Science or Engineering degree

Tools

Jupyter notebook

Excel

Job description

Ready to Make a Real Impact? Join e-STORAGE!

Who We Are

Welcome to e-STORAGE, a proud member of the Canadian Solar Inc. (NASDAQ: CSIQ) family! We’re leading the way in designing, building, and integrating advanced battery energy storage systems for utility-scale projects. Our mission? To accelerate the world’s renewable energy transition and create a more sustainable, resilient energy future for everyone.

With our innovative SolBank lithium-iron phosphate battery technology and comprehensive project services, we’re not just building products we’re powering communities and making a difference worldwide.

Position Title: System Performance Analyst
Department: Engineering
Compensation: $80,000 - $120,000 + annual bonus
Reports To: BESS Data Analytics Manager
Location: USA

About the Role:

CS e-STORAGE a subsidiary of Canadian Solar Inc, is looking for a system performance analyst to carry out the in-depth analysis of performance data from battery storage systems. This position is at the crossroads of battery energy storage systems (BESS), engineering, and data analytics.

Responsibilities:

• Analyze the performance of the BESS; conduct downtime analysis, identify under-performing areas and sub-systems, provide an understanding of system behavior, and direct improvements & updates to improve system availability and capacity.
• Analyze key performance indicators (KPIs) like BESS Storage Availability, Charge/Discharge Energy, RTE, SoC and prepare reports (dashboards and presentations) to share with internal and external stakeholders.
• Calculate major equipment unavailability and LDs, communicate, and reconcile with suppliers and owners.
• Review monthly performance report form subcontractors for accuracy and prepare client facing performance report.
• Develop tools and automation (such as scripts, Python codes) to collect and process data for directing system operation and maintenance (O&M) and monitoring BESS plant performance, such as flagging underperforming assets in real-time.
• Perform modelling and simulations of battery degradations from aging and cycling to establish warranty terms and predict augmentation schedules, using various industry standard and customized programs.
• Maintain and upgrade such programs to keep abreast with industry trends and emerging technologies.
• Interface with other personnel in Engineering, Service, Project Execution teams as well as subcontractors and clients.

Required Qualifications and Skills:

• Science or Engineering degree or equivalent.
• Familiarity with BESS, solar energy, or power systems.
• Fluent in Python programing, Jupyter notebook environment and SQL language.
• Knowledge of AWS cloud would be an asset.
• Strong computer skills and In-depth familiarity with big data analysis.
• Problem solving ability, critical thinking, creative thinking skills.
• Extensive knowledge of Microsoft Office programs (Word, Excel).
• Excellent written and verbal communication skills and an ability to write clear, concise reports.
• Strong work ethic, positive team attitude and able to work in a dynamic and fast-paced environment.

e-STORAGE is Equal Opportunity Employer (EOE). Qualified applicants are considered for employment without regard to age, race, colour, religion, sex, national origin, sexual orientation, disability, or veteran status.

e-STORAGE uses AI-assisted tools during parts of the hiring process, including screening and workflow automation. All final hiring decisions are made by humans.

This is a current vacancy, and we are actively hiring for this position.

What It’s Like to Work Here

At e-STORAGE, you’re more than just an employee—you’re part of a team that values your ideas, your background, and your unique perspective. We believe that a culture of equity, diversity, and inclusion isn’t just the right thing to do—it’s the secret to our success. Here, you’ll find:

• Integrity: We do what’s right, always.
• Innovation: We encourage fresh thinking and bold ideas.
• Quality: We take pride in delivering excellence, every time.
• Customer Focus: We listen, we care, and we deliver.
• Sustainability: We’re passionate about protecting our planet for future generations.

Why You’ll Love Working With Us

• Join a global leader in renewable energy, backed by over 23 years of Canadian Solar experience.
• Work on projects that matter—helping to build a cleaner, greener world.
• Thrive in a supportive, collaborative environment where your growth is our priority.
• Enjoy a competitive salary and a generous benefits package.

Want to join here is what we are looking For

• The right mix of education, experience, and skills for the role.
• Great communication, teamwork, and problem-solving abilities.
• A true commitment to safety, ethics, and sustainability.

Your Rewards

We offer a competitive salary, performance bonuses, and a comprehensive benefits package—including health coverage, retirement plans, paid time off, and more.

#CSeSTORAGE