Working at IES

Careers are forged with passion and dedication. At IES, we believe that the work must fulfill you intellectually, professionally and spiritually.
We pro-actively curate a motivating and supportive environment. Our culture is focused on encouragement and empowerment.

Our work is our passion
Our people is our brand
Job Description
  • Assist director on overall project development activities, strategy, planning in widely perspective
  • Assist director on project negotiation and partnership with external party including Government, Business Partner, Shareholder, Contractor, Consultant to achieve the purpose and ensure project development smoothly
  • Conduct the financial model and preliminary feasibility analysis on any new opportunity and current project development
  • Explore a market for merging and acquisition opportunity
  • Master/Bachelor Degree in the field of Business Administration, Engineering, Economic, Finance
  • Preferred at least 2years of experienced in project finance, corporate finance, or related field
  • Enthusiasm, eager to learn more in the power business
  • Business mind and understandings on various fields
  • Good analytical, negotiation, presentation skills
  • Skill on MS Office application is preferred with particular in Excel, Word, PowerPoint
  • Proficiency in English/Japanese communications
  • Good interpersonal skill and teamwork
  • Flexibility to work in Bangkok, Upcountry and Abroad
Job Description

• Identify target market and meeting the sales targets of the organization through effective planning and budgeting
• Gathering Solar project in market and customer database
• Maintain & improving relationships with the client
• Provide customers with information and Sales proposal work for projects (Solar Power ,Solar Roof Top System, etc.)
• Develop marketing or strategic plans for sales territories
• Visit Clients to get inquires and conclude the sales contracts.
• Coordinate with team to develop the solutions that match with clients’ requirement.
• Negotiating the term of agreement and closing sales.

  • • Male/Female (Age not over than 30 year old)
    • Master/Bachelor’s degree in Business Marketing or related field.
    • Business mind and understandings on various fields
    • Preferred at least 2 years of experience in sales (energy sector or related field)
    • Good interpersonal skill and teamwork
    • Proficiency in English both writing and verbal Flexibility to work in Bangkok and upcountry
    • Proficiency in MS Office applications particularly in Excel, Word, PowerPoint

Job Description

• Responsible to overall project performance during the operation phase and perform as a key contact person to-the customer, OM contractor, and government agencies.
• Monitor the operation of project portfolio via cloud-based platform
• Verify operation and maintenance activities with O&M contractor and handle any issues that arise
• Act as the point of contact and communicate project status to related parties
• Promptly response and resolve any inquiry from related parties including customer, contractor and government agencies
• Perform on-site investigation and solving problems
• Communicate between parties (internal and external) and timely provide deliverables both technically and commercially
• Report monthly performance and related activities to relevant stakeholders
• Create and maintain comprehensive project documentation, plans and reports


• Bachelor Degree in Engineering, preferred Electrical Engineering or related field
• Strong communication and problem-solving skills
• Minimum three years experience in project management, contract management, operations and maintenance of solar energy project, electrical system or related field.
• Exceptional verbal, written and presentation skills.
• Ability to work effectively both independently and as part of a team.
• Competency in documentation and computing software including Word, Excel, Outlook and cloud-based monitoring software (PVSyst and AutoCAD is preferred).
• Ability to work on tight schedule.
• Able to travel upcountry and aboard
• Willing to travel and obtain valid driver’s license

Job Description

• Ensure that the Company is always in compliance with accounting standard and in compliance to tax laws.
• Prepare financial statement and reports in a timely manner by monthly, quarterly and yearly basis.
• Review balance sheet reconciliation.
• Review and control stock receiving and issuing.
• Preparing VAT & Withholding tax report to ensure that accurate within timely manner.
• Preparing corporate income tax to submit to the Revenue department.
• Coordinate with external auditor and Revenue Department.
• Handling any ad-hoc projects as assigned.


• Bachelor’s Degree or higher in Accounting
• 2-3 years experience in accounting.
• Excellent in MS office, Excel and Word format.
• Able to identify problems, develop solutions and implement actions to resolve issues.
• Resilient and able to work under pressure & business dynamic.
• Possesses a positive and cheerful attitude and mature.
• Strong interpersonal and communication skills.
• Proficiency in Sage 300 will be an advantage.
• Good command in English.

We are always looking for amazing people.
If there isn’t an open position listed, feel free to apply.