Pre-Sales Engineer

Key Objective

The Pre-Sales Engineer will be responsible for supporting Deye's C&I business development in Thailand by identifying and developing potential customers, working closely with EPC contractors and solar installers, providing technical solutions, and converting qualified opportunities into C&I partner agreements and sales projects.

Key Responsibilities

• Technical Pre-Sales
• Provide technical support and consultation on PV inverters, ESS and C&I solar solutions.
• Analyze customer requirements and recommend suitable Deye products and system configurations.
• Prepare technical proposals, system designs, layouts, specifications and technical reports.
• Support customers and EPC partners with system sizing, inverter selection, ESS configuration and solution design.
• Conduct technical presentations, product demonstrations and customer consultations.
• Support project bidding, tender submissions and proposal preparation.
• Ensure proposed solutions comply with applicable Thailand electrical codes, regulations and safety standards.
• Business Development & Sales
• Identify, qualify and develop potential C&I customers, EPC contractors, solar installers, developers and other industry partners.
• Develop relationships with EPC companies and key industry stakeholders to generate new business opportunities.
• Understand customer requirements, decision-making processes and purchasing criteria.
• Support negotiations and commercial discussions to convert opportunities into sales contracts and C&I partner agreements.
• Follow up on sales opportunities from initial enquiry through proposal, negotiation and contract closing.
• Build and maintain long-term relationships with customers and strategic partners.
• Market & Competitor Analysis
• Conduct market research on Thailand's solar PV and energy storage market.
• Monitor market trends, customer requirements and regulatory developments.
• Track competitor products, pricing, technical solutions and market activities.
• Provide regular market and competitor feedback to management.

Job Requirements

Technical Skills

• Bachelor's degree in Electrical Engineering, Energy Engineering, Renewable Energy or a related field.
• Strong knowledge of solar PV systems, PV inverters and ESS.
• Good understanding of inverter design principles, MPPT technology and power conversion efficiency.
• Knowledge of C&I solar and energy storage applications.
• Knowledge of relevant electrical codes, standards and safety requirements.
• Ability to understand and use solar PV system design software.
• Ability to recommend appropriate inverter and ESS solutions based on customer and project requirements.

Sales & Business Development Skills

• Proven experience in technical sales, pre-sales engineering or B2B sales.
• Experience in the solar PV, inverter, ESS or renewable energy industry is preferred.
• Ability to identify and qualify potential customers and business opportunities.
• Strong communication, presentation and negotiation skills.
• Ability to explain technical concepts clearly to both technical and non-technical customers.
• Strong relationship-building and customer management skills.
• Self-motivated and able to work independently in a remote working environment.

Preferred / Advantageous

• Experience working with EPC contractors, solar installers or developers in Thailand.
• Experience with C&I solar projects.
• Knowledge of competing inverter and ESS brands.
• Experience with solar monitoring and data analysis platforms.
• Existing network of EPC contractors, installers or C&I customers in Bangkok or surrounding regions.
• Good command of English is preferred.

Performance Expectations

The successful candidate is expected to:

• Develop a strong pipeline of C&I opportunities.
• Establish and maintain relationships with EPC and installer partners.
• Generate qualified project opportunities.
• Support successful technical proposals and project tenders.
• Convert qualified opportunities into C&I partner agreements and sales.
• Contribute to revenue growth for Deye's Thailand C&I business.

Remuneration Package

• Basic Salary: Open to negotiation
• Commission: Depends on project value

Job Type: Full-time

Work Location: In person