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

• 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 consolidated financial statements 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.
• Manage team – motivating and leading also lead the way in developing processes, efficiencies and competencies.
• Coordinate with external auditor and Revenue Department.
• Companies fixed Assets classification
• Handling any ad-hoc projects as assigned.


• Male or Female, Thai Nationality.
• Bachelor’s Degree or higher in Accounting/Finance.
• 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.

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

• Follow up new business opportunities whilst maintaining strong business relations with existing clients and partners
• To provide technical solutions to customers demand
• Negotiating tender and contract terms
• Schedules appointments and meetings with key decision makers
• Managing and interpreting customer requirements
• Collaborate with sales teams to understand customer requirements and provide sales support
• Maintain strong relationship with clients to provide useful information about company’s products
• Negotiating and closing sales by agreeing terms and conditions
• Prepare and deliver technical presentations explaining products or services to customers and prospective customers
• Confer with customers and engineers to assess equipment needs and to determine system requirements
• Issue quotation, contract and delivery order
• Adhere to all sale activity of company policies, target and strategy


• Thai Nationality / Male or Female age 25-35 years old
• Bachelor or Master Degree in the Electrical, Mechanical Engineering or related field
• Preferable at least 3 years of experience
• Self-motivated person with leadership and project planning skill
• Good communication and presentation skills
• Good command in English
• Ability to work with creativity and under pressure
• Flexibility to work in Bangkok and Upcountry

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