Demo

Commissioning Engineer

Canadian Solar Inc.
Walnut, CA Full Time
POSTED ON 7/9/2026
AVAILABLE BEFORE 8/7/2026
At Canadian Solar, our vision is to make lives better by bringing electricity powered by the sun to millions of people worldwide. As a leading manufacturer of solar panels, inverters, and energy storage solutions, we've been an industry front-runner since our founding in 2001. Our commitment to sustainability is reflected in all parts of our organization as we navigate the complexities of a booming industry.

Throughout Canadian Solar's subsidiaries, e-Storage, Recurrent Energy, MSS and CSI Solar Co., we invest in our employees' growth. Our training programs and promotional opportunities ensure we all can continue to learn. We understand the importance of work-life balance and provide various flexible work options to support our employees' well-being. Join our team to "Make the Difference" by creating a lasting positive impact on the world and the communities where we operate.

Position Title: Commissioning Engineer

Department: Commissioning

Compensation: $110,000 - $160,000 annual bonus (range varies by location)

Reports To: Commissioning Manager

Location: United States

About the Role:

The Commissioning Engineer is part of a cross-functional team that focuses on executing battery storage projects with market-leading technologies. The Commissioning Engineer is responsible for testing and commissioning oversight activities of Battery Energy System Storage (BESS) projects from the Pre-commissioning phase through to Substantial Completion to ensure successful execution and operation of the BESS project. This role is expected to spend over 75% of their time at project sites in Texas, Arizona, California, and others as needed.

Responsibilities:

  • Participate in meetings with owner, operation and maintenance, design, and construction personnel to understand project goals and schedule to ensure proper coordination of commissioning activities
  • Review project documents and preliminary designs to identify gaps in scope and responsibility to ensure project success
  • Execution of commissioning activities, which requires understanding/managing the scope, stakeholders, and schedule and keeping all parties in sync
  • Interface with internal customers (commissioning manager, project manager, construction manager) and external customers (utilities, AHJs, contractors, end customers) to ensure consistent communication
  • Manage equipment suppliers and host daily plan of the day (POD) with each supplier to have them report progress and schedule their work
  • Perform site visits to coordinate the commissioning plan, schedules, and checklist to ensure all commissioning activities and performance testing are executed efficiently
  • Suggest improvements in commissioning execution plan or procedures/processes based on lessons learned
  • Maintain and develop key strategic relationships with major vendors, suppliers, and contractors throughout the energy storage industry
  • Support value-engineering and process improvement efforts by sharing project-specific lessons learned


Required Qualifications and Skills:

  • Educational background in Engineering or a related field
  • At least 5 years of relevant experience in commissioning and/or systems engineering within the renewable energy sector
  • Hands-on experience in battery storage systems, medium voltage stations, and/or related products/systems
  • Proficient in the specification, technical bid analysis, and procurement of major equipment such as inverters, transformers, switchgear, etc
  • Hands-on experience in system engineering and a solid understanding of related regulatory standards, including NEC/UL code compliance
  • Proficient in MV Electrical Installations, Ampacity Calculations, Short circuit/load flow, Protective Device Coordination, Arc Flash, Grounding per IEEE80, and other relevant design topics
  • Excellent time management skills; able to balance multiple projects and prioritize a broad variety of issues, initiatives, and objectives concurrently


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.

#CanadianSolar

Salary : $110,000 - $160,000

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