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Application Engineer — Solar Inverter and PCS

Mesa, Arizona / Remote or Hybrid as required

Applications Engineering / Technical Sales Support

S&M

Full-time

We are seeking an Application Engineer to support the solar inverter and PCS business as part of Nextpower’s growing power conversion portfolio. This role will provide technical support for customer applications, proposals, product selection, system integration, project requirements, and field deployment of inverter and power conversion systems. The Application Engineer will work closely with Sales, Technical Sales, Product Management, Engineering, Service, Quality, Manufacturing, and customers to ensure power conversion products are properly applied in solar, energy storage, and grid-connected power conversion projects. This role requires strong technical understanding of inverters, PCS platforms, electrical systems, system-level design, and customer project requirements.

Provide technical application support for power conversion products in utility-scale solar and battery energy storage applications in North American markets. Support Sales and Technical Sales teams during customer engagements, project development, RFP/RFQ responses, and technical proposal preparation. Review customer requirements, project specifications, single-line diagrams, site conditions, interconnection requirements, and product application needs. Propose inverter and battery PCS configurations based on project requirements, system architecture, ratings, operating conditions, and compliance needs. Prepare and support technical documentation including compliance matrices, product data, application notes, technical responses, drawings, and customer submittals. Work with Product and Engineering teams to evaluate product fit, technical exceptions, design constraints, and customer-specific requirements. Support system integration discussions with developers, EPCs, integrators, utilities, and energy storage partners. Assist with technical reviews related to grid interconnection, controls, communications, protection, auxiliary power, thermal performance, and environmental conditions. Support customer technical meetings, design reviews, factory visits, product demonstrations, and project qualification discussions. Capture customer feedback, application issues, market requirements, and product improvement opportunities. Provide technical handoff support from sales phase to project execution, manufacturing, commissioning, and service teams. Assist with troubleshooting, root cause analysis, and field support coordination for application-related issues. Maintain strong knowledge of competitive products, market requirements, codes, standards, and application trends in solar and energy storage. Help develop standard tools, templates, calculators, and documentation to improve application engineering efficiency.

• Bachelor’s degree in Electrical Engineering, Power Electronics, Energy Systems, or a related technical field; Master’s degree is a bonus.
• 3+ years of experience in applications engineering, utility-scale renewable/BESS project engineering, product/R&D engineering, systems engineering, field engineering, or technical support.
• Experience with solar inverters, PCS, battery energy storage systems, power electronics, electrical equipment, or grid-connected energy systems.
• Strong understanding of electrical systems, AC/DC power conversion, system ratings, single-line diagrams, technical specifications, and customer project requirements.
• Ability to read and interpret technical drawings, product datasheets, electrical schematics, project specifications, and compliance documents.
• Strong communication skills with the ability to explain technical concepts clearly to customers and internal stakeholders.
• Ability to work cross-functionally with sales, engineering, product, manufacturing, quality, service, and operations teams.
• Strong problem-solving skills and ability to manage multiple customer and project priorities.
• Proficiency with Microsoft Office, technical documentation tools, and engineering analysis or design tools as applicable.
• Willingness to travel occasionally for customer meetings, site visits, factory visits, and industry events.

• Experience with utility-scale solar and battery energy storage, grid-tied inverter systems, or PCS platforms.
• Familiarity with UL, IEEE, NEC, NEMA, grid interconnection, and utility-scale project designs.
• Experience supporting RFP/RFQ responses, technical compliance matrices, project submittals, and customer qualification processes.
• Knowledge of inverter controls, communications protocols, SCADA integration, protection schemes, and grid support functions.
• Experience working with EPCs, developers, utilities, system integrators, or energy storage solution providers.
• Experience with new product introduction, product launch, or post-acquisition business integration is a plus.

The ideal candidate is a technically strong and customer-oriented engineer who can connect product capabilities with real-world project requirements. This person should be comfortable reviewing specifications, supporting customer discussions, solving technical application problems, and working across multiple internal teams. The successful candidate will bring a practical engineering mindset, strong ownership, and clear communication skills to help customers successfully apply power conversion products in solar and energy storage projects.

• Health care coverage
• Dental and vision
• 401(K) participation including company matching
• Company paid holidays with unlimited paid time off
• Generous discretionary company bonuses
• Life and disability protection and more
• Employees in certain positions may be eligible for stock compensation. All plans are in accordance with relevant plan documents.

For more information on Nextpower’s benefits please view our company website at www.nextracker.com.

Pay is based on market location and may vary based on factors including experience, skills, education and other job-related reasons.

Nextpower is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

We are Nextpower Nextpower offers a comprehensive benefits package.

We are Nextpower At Nextpower, we are driving the global energy transition with an integrated clean energy technology platform that combines intelligent structural, electrical, and digital solutions for utility-scale power plants. Our comprehensive portfolio enables faster project delivery, higher performance, and greater reliability, helping our customers capture the full value of solar power. Our talented worldwide teams are redefining how solar power plants are designed, built, and operated every day with smart technology, data-driven insights, and advanced automation. Together, we’re building the foundation for the world’s next generation of clean energy infrastructure.

At Nextpower, we are driving the global energy transition with an integrated clean energy technology platform that combines intelligent structural, electrical, and digital solutions for utility-scale power plants. Our comprehensive portfolio enables faster project delivery, higher performance, and greater reliability, helping our customers capture the full value of solar power. Our talented worldwide teams are redefining how solar power plants are designed, built, and operated every day with smart technology, data-driven insights, and advanced automation. Together, we’re building the foundation for the world’s next generation of clean energy infrastructure.

We are Nextpower At Nextpower, we’re building the foundation for the world’s next generation of clean energy infrastructure.