Senior Application Engineer - Modeling

We are seeking an experienced engineer with a strong background in power systems, power electronics, inverter controls, and power system modeling and simulation. The position will provide advanced technical support for utility-scale PV and inverter-based resource (IBR) projects, with a strong focus on grid interconnection studies, model application and validation, and troubleshooting.

The successful candidate will work closely with customers, utilities, consultants, Sungrow’s U.S. teams, and HQ R&D teams. The position will also contribute to emerging technologies and applications, including grid-forming inverters, microgrids, and data center applications, as well as evolving North American grid requirements and industry standards., * Support customers with grid interconnection, commissioning, and post-commissioning power system modeling activities for PV inverter and IBR projects using PSS®E, PSLF, PSCAD, and related simulation tools.

• Serve as a senior technical member of the PV Modeling team, troubleshooting advanced EMT modeling and simulation issues and developing practical, technically sound solutions for customers.
• Support application, validation, and integration of Sungrow inverter models for customer and grid interconnection studies.
• Track technical requirements and market needs from key customers and maintain effective communication among customers, U.S. front-end technical teams, and HQ R&D.
• Provide direct technical support to customers and the Sales team and serve as a trusted technical advisor to customers’ engineering teams for modeling.
• Support new inverter technologies and solutions, including grid-forming controls, microgrids, PV plus energy storage hybrid, and data center applications.
• Participate in technical exchanges with utilities, ISOs/RTOs, consultants, and other grid stakeholders to understand emerging grid requirements, policies, and technical trends.
• Participate in industry organizations and technical activities, including IEEE, ESIG, and other relevant industry groups, and contribute to industry standards and technical discussions as appropriate.
• Support internal technical documentation, model documentation, and engineering knowledge management.
• Participate in coordination with product and R&D teams to communicate customer feedback, application requirements, and North American market needs.
• Interpret and evaluate applicable IEEE, UL, IEC, NEC, grid-code, and other North American regulatory and interconnection requirements, and provide technical input to product and model development.
• Support field service and application engineering teams with system-level troubleshooting and provide engineering guidance as needed., 15% to 30%, including customer meetings, technical workshops, industry conferences, utility/grid engagements, and other business needs.

• Minimum 5 years of professional engineering experience, preferably in power systems, renewable energy, power electronics, or inverter-based resources.
• Minimum 5 years of hands-on experience with power system simulation (EMT focused) and modeling tools, with strong experience in PSCAD and one of PSS®E and PSLF.
• Minimum 2 years of experience in the solar/PV industry. Experience with energy storage systems and other inverter-based resources is preferred.
• Strong understanding of power system dynamics, inverter controls, grid interconnection, RMS and/or EMT modeling.
• Demonstrated experience troubleshooting complex technical and modeling issues.
• Experience with model validation, plant-level studies, grid interconnection studies, or inverter control applications is highly desirable. RTlab/RTDS HIL experience is a plus.
• Experience with power electronics, power systems, and/or control system design and validation is preferred.
• Experience with EPC engineering, product development, system-level engineering, or technical trade-off studies is a plus.
• Excellent written and verbal communication skills, with the ability to communicate effectively with customers, consultants, utilities, internal engineering teams, and management.
• Strong initiative, organizational skills, and ability to work independently in a fast-paced and collaborative environment with remote co-workers.
• Bilingual English/Chinese capability is preferred but not required., * Master’s degree in Electrical Engineering from an accredited university or college, preferably with a concentration in Power Electronics, Power Systems or Control Systems.
• Relevant experience in the solar, energy storage, or broader IBR industry is required.
• Ph.D. or advanced technical specialization in a relevant field is a plus.

Core Competencies

• Strong technical problem-solving and analytical skills.
• Advanced power system modeling and simulation capability.
• Strong understanding of inverter-based resources and grid integration.
• System-level and product-level engineering mindset.
• Strong customer communication and technical support orientation.
• Ability to independently investigate complex technical problems and develop practical solutions.
• Strong organizational skills and attention to detail.
• Effective communication and cross-functional collaboration skills.
• Self-motivated, proactive, and comfortable working across geographic and organizational boundaries.

• Compensation commensurate with qualifications and experience.
• Competitive benefits package and employee programs.
• Strong opportunities for professional development and career growth.