Product & Applications Engineer

Company Overview

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 can all 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.

Product & Applications Engineer

Product Development

Head of C&I Solutions

Walnut Creek, CA (Hybrid)

• Provide pre‑sales technical support to commercial teams and channel partners for Kubank and Sol Bank ESS products.
• Propose optimal technical solutions and system configurations.
• Run preliminary system sizing and performance modelling.
• Support preparation of technical proposals, system BOMs, single‑line diagrams, and application notes.
• Conduct product training and webinars.
• Assist in qualification of partners and EPCs.
• Respond to technical inquiries and support RFP responses.
• Interface with product management, R&D and engineering, and support teams.
• Support ETB platform integration basics.

• Bachelor’s degree in engineering or business discipline is required; a graduate degree is strongly preferred.
• 1-5 years of relevant experience in applications and/or systems engineering within an Energy Storage integrator or EPC contractor.
• Direct experience in battery storage systems, medium voltage stations, and/or related products/systems preferred.
• Proficient in the specification, technical bid analysis, and procurement of major equipment such as inverters, transformers, switch gear, etc.
• Must have a sound understanding of the commissioning and testing of Energy Storage projects.
• Hands‑on experience in system engineering and a solid understanding of related regulatory standards, including NEC/UL code compliance is preferred.
• Global perspective awareness and direct experience working across diverse cultures in a multinational company would be beneficial.
• A go‑getter professional with a can‑do attitude — setting aggressive, measurable goals and objectives for himself/herself and prepared to be measured against them.
• A dynamic professional with the ability to positively interact and collaborate with a diverse group of people at all levels and disciplines and capable of standing in front of key clients, thinking on his/her feet, and making sound decisions within compressed timelines.
• An excellent time manager, able to balance multiple projects and prioritize a broad variety of issues, initiatives, and objectives concurrently.

• Tools: ETB Developer, Helioscope, Aurora Solar, PVSyst, AutoCAD, Excel, Salesforce.
• Microgrid/backup design experience.
• Battery system fundamentals and PCS integration knowledge.

• Strong analytical and problem‑solving skills.
• Excellent communication and customer‑facing skills.
• Ability to work cross‑functionally and independently.

Mid‑Senior level

Full‑time

Product Management

Renewable Energy, Semiconductor Manufacturing

Canadian Solar is an Equal Opportunity/Affirmative Action employer and will consider all qualified applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.