The Project Sales Engineer role offers an opportunity to develop solar solution projects for commercial, industrial, and power plant customers across Thailand. Based onsite in Bangkok near a BTS station, the position combines business development, technical sales, proposal preparation, and long-term customer relationship management.
Responsibilities
Identify new business opportunities across commercial, industrial, and related markets throughout Thailand
Build and maintain strong relationships with factory owners, EPC partners, consultants, and other stakeholders
Present solar solutions, proposals, and financial benefits under CAPEX, OPEX, ESA, and PPA models
Understand customer requirements and coordinate with internal technical teams to prepare tailored proposals
Prepare and review contracts in coordination with legal and management teams
Maintain long-term customer relationships to support repeat and expansion projects
Requirements
Bachelor’s degree in Engineering, Business Administration, Marketing, or a related field
At least 3 years of sales experience in solar, power plant, project sales, or a related field
Demonstrated ability to build, manage, and maintain strong professional relationships
Excellent communication, negotiation, and interpersonal skills
Good written and spoken English, including the ability to participate in an interview conducted in English
Ability to travel domestically for customer visits and site assessments
Benefits
Uniform
Car allowance
Telephone allowance
Medical and life insurance
Bonus and salary review
Other benefits in accordance with company policy
About the company
A company in the solar energy industry with operations in Thailand and across regional markets. The organisation provides solar energy solutions, equipment, consultation, engineering, procurement, construction, and maintenance services.