Business Development Manager - Bangkok, Thailand

GreenYellow Asia

Long-term contract
Localisation Bangkok, Thailand
No remote
From 5 yrs of exp.
Posted on 08-17-2026

Jobs are sourced directly from employers. No recruiter involved. Apply through the employer’s link to make sure your application reaches the right people. → Business Development Manager

Key Responsibilities

Business Development

  • Identify and develop new Energy Efficiency business opportunities within commercial and industrial sectors.
  • Build and maintain strong relationships with customers, consultants, EPC contractors, and strategic partners.
  • Conduct customer meetings to understand operational challenges and identify energy-saving opportunities.
  • Prepare technical and commercial proposals and lead customer presentations.
  • Negotiate contracts and support project closing activities.
  • Achieve individual sales targets and contribute to the company’s growth objectives.

Technical Solution Development

  • Conduct site surveys and collect operational and utility consumption data.
  • Analyze customers’ energy usage and identify opportunities for Energy Efficiency improvements.
  • Develop conceptual solutions including:
  • HVAC optimization
  • Chiller replacement or optimization
  • Heat pump systems
  • Cooling systems
  • Cold storage optimization
  • Building Energy Management Systems (BMS)
  • Waste heat recovery
  • Other thermal and electrical energy-saving solutions
  • Perform preliminary engineering calculations, energy simulations, and savings estimations.
  • Calculate energy savings, CO₂ emission reductions, project CAPEX, OPEX, and financial returns.

Proposal & Project Support

  • Prepare technical proposals, investment analyses, and customer presentations.
  • Coordinate with engineering, procurement, and project execution teams during project development.
  • Liaise with equipment manufacturers and suppliers regarding technical specifications and pricing.
  • Support project handover after contract award.

Profile

Qualifications

  • Bachelor’s degree in Mechanical Engineering, Energy Engineering, Electrical Engineering, or related disciplines.
  • Minimum 5 years of experience in Energy Efficiency, HVAC, Mechanical Systems, Building Services, or Industrial Utilities.
  • Experience with commercial and industrial customers is preferred.
  • Previous experience in ESCO or energy solution companies is an advantage.

GreenYellow Asia

GreenYellow in Asia is the trusted energy partner of private companies to make their energy transition a success.

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