Site Manager (Industrial Water Treatment Plant Construction)

atGulf Energy Development PCL

Job Responsibilities:



Site Management & Infrastructure Execution

  • Managing and controlling the daily construction operations of the Water Treatment Plant, Waterworks, or related water infrastructure projects.
  • Coordinating with stakeholders, clients, consultants, and government agencies (e.g., Industrial Estate Authorities, local municipalities) to ensure smooth site operations, permit approvals, and full compliance with engineering regulations.
  • Managing site resources, including construction materials, heavy machinery, tools, and manpower, to achieve maximum utilization, efficiency, and safety.
  • Planning, budgeting, monitoring, and controlling the site construction budget, resource allocation, and material waste management.
  • Instructing, controlling, and managing site engineers, foremen, subcontractors, and material suppliers to ensure construction deliverables meet project specifications.


Project Construction & Control

  • Managing and propelling the plant construction project to successful completion, ensuring high quality, strict adherence to schedule, budget efficiency, health, safety, environment (HSE), and client satisfaction.
  • Defining time schedules (Baseline & Look-ahead Schedule) for site erection and safeguarding the required level of engineering quality throughout civil, mechanical, and electrical works.
  • Overseeing and controlling civil works (e.g., concrete water-retaining structures, clarifiers,
  • reservoirs) and mechanical/piping installations (e.g., RO/UF skids, pumps, chemical dosing, high-pressure piping) in accordance with the project timeframe.
  • Organizing daily Toolbox Talks to keep all site teams and subcontractors coordinated, updated on daily construction tasks, and strictly aligned with HSE regulations, while monitoring related QA/QC and site documentation.
  • Instructing, controlling, and managing personnel at the site, subcontractors, and logistics/transportation companies during equipment delivery and erection phases.
  • Supporting the Project Manager and Commercial Project Manager in contract management, variation orders (VO) evaluation, and claim management towards clients and subcontractors.


Job Qualifications:

  • Bachelor’s degree in civil engineering, mechanical engineering, or related engineering fields.
  • Minimum 5 years’ experience in site management or construction management, with at least 3 years in a supervisory or management level.
  • Experience in the construction, erection, and commissioning of Water Treatment Plants (WTP), Wastewater Treatment Plants (WWTP), Waterworks, or large-scale industrial piping/pumping systems is preferred.
  • Experience in management of project scope, cost, construction schedules, and vendors/subcontractors under varied contract arrangements (e.g., EPC, Turnkey).
  • Comprehensive knowledge of construction planning tools and engineering software, including MS Office, MS Project, and AutoCAD.
  • Sound knowledge of construction techniques, water-retaining structures, piping hydraulics, process & instrumentation diagrams (P&ID), and strong contractual knowledge.
  • Strong leadership experiences, management skills, interpersonal relationship skills, and the ability to manage diverse site teams.
  • Fluent in English both written and verbal.
  • Ability to travel/ work upcountry and abroad.
  • Goal-Oriented, Unity, Learning, Flexible.


Experience required
  • any or no experience
Salary
  • Negotiable
Job function
  • Management
Job type
  • Full-time

Company overview

Size:1000-2000 employees
Industry:Energy / Power / Water
Location:Bangkok
Website:www.gulf.co.th
Founded in:1995
Ranking:5/5

GULF is a holding company with investments in power generation and distribution, both conventional and renewable, as well as natural gas supply and distribution, infrastructure projects and digital businesses.

It is among the largest private power producers in Thailand. Its ...

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Why join us:

Work with GULF 

Are you a high-achiever ?, Are you a team player ?, Do you embrace challenge ?

If you are, then you have come to the right place.

Gulf is defined by our unique culture. Our dynamic environment makes us an ideal workplace for talents who are ...

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Head office: 87 M Thai Tower, 11 th Fl., All Seasons Place, Wireless Road, Lumpini, Pathumwan, Bangkok 10330 Thailand
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