Transmission Line Engineer

Nippon Koei Energy Solutions Introduction

Our holding company, ID&E Holdings Co., Ltd. (ID&E), was officially established on 3 July 2023.  The "Consulting Business," "Urban & Spatial Development Business," and "Energy Business," which were previously the business divisions of Nippon Koei Co., Ltd. (hereinafter referred to as NK) which is Japan’s No.1 International Engineering Consultants in terms of size and turnover for consulting services, became independent as separate corporate organizations. Among these, Nippon Koei Energy Solutions Co., Ltd. (hereinafter referred to as NKES) commenced its operations on 1 October 2023, drawing on the foundations of NK’s “DNA”, the energy management, manufacturing, construction & installation, and electro-mechanical consulting fields have been retained; and we continue to provide one-stop services pertaining to energy.

Work Environment

We are seeking a Transmission Line Engineer to support the continued expansion of our energy consulting business across Southeast Asia (SEA) and international markets. You will play a key role in delivering engineering design, technical review, and advisory services for transmission line projects, working closely with multidisciplinary teams across regional offices. You will evolve in an international working environment and collaborate closely with multidisciplinary teams across the company to deliver projects at the highest quality and safety standards.

Missions

• You will be part of the engineering team and report to the Engineering and Thermal Manager.

• Lead and perform engineering design and technical review of transmission line systems (overhead and underground) for medium to high-voltage projects.

• Conduct and oversee:

  • Route selection and optimization studies considering technical, environmental, and permitting constraints
  • Tower spotting, structure configuration, and loading analysis
  • Sag-tension calculations and conductor selection

• Review and validate engineering deliverables such as:

  • Technical specifications and design criteria
  • Detailed design calculations and reports
  • Drawings (alignment profiles, tower details, layouts)
  • Bill of Quantities (BOQ)

• Act as technical focal point for transmission line scope in multidisciplinary projects.

• You will have a chance to expand your capability to not only transmission line system but also the other assignments of Thermal Power Plant, Solar, Wind, etc.

• Review EPC contractor designs and ensure compliance with project requirements, technical standards, and client expectations.

• Provide input into technical due diligence (TDD), feasibility studies, and owner’s engineering scopes.

• Support bid preparation, tender evaluation, and contract clarification for regional projects.

• Ensure compliance with applicable international standards (IEC, IEEE) and local SEA regulations and utility practices.

• Participate in site visits, construction support, and BD & Sales support when required.

• Contribute to knowledge sharing within the team.

• Perform other assignments as required by Supervisor.

Profile

We are looking for talented and motivated people to create the future of energy. Join a rewarding and flexible work environment that encourages innovation and creativity and help us meet the energy challenges of today and tomorrow.

• Bachelor’s or Master’s degree in in Electrical Engineering or related discipline from an accredited university.
• 5–10+ years of experience in transmission line engineering (overhead and/or underground systems).
• Proven experience in regional projects across Southeast Asia (e.g., Thailand, Vietnam, Indonesia, Philippines, Malaysia).
• Experience in consulting, Owner’s Engineer (OE), LTA, or EPC environments.
• Strong knowledge of: Transmission line design principles and standards (IEC, IEEE, or equivalent), Structural loading, tower design interfaces, and line performance analysis
• Hands-on experience with key engineering tools such as: PLS-CADD, PLS-TOWER (highly preferred), AutoCAD or equivalent drafting tools
• Familiarity with high-voltage systems (115kV–500kV or above) and utility design practices.
• Experience working with multinational clients, utilities, and regional stakeholders.
• Understanding of environmental constraints, ROW issues, and permitting processes in SEA is an advantage.
• Strong analytical, problem-solving, and coordination skills.
• Ability to lead tasks independently as well as working in a team.
• Ability to work autonomously, proactively, and within multidisciplinary project teams.
• Dynamic personality with strong interpersonal and coordination skills and a willingness to learn.
• Solid report writing and communication skills, able to interact effectively with internal teams and external stakeholders.
• Willingness to travel for short-term missions for project execution or training purposes.
• Fluency in English and Thai, both verbal and written skills.
• The position is based in Bangkok (Two Pacific Building - Nana BTS Station Exit 2)

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