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Process Engineer (1 Year contract)

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Onsite

Process Engineer (1 Year contract)

PERSOL Thailand

Process Engineer (1 Year contract)

2 months ago

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Important information


Contract type:

Freelance / Contract

Salary:

THB 540,000 – THB 720,000 / year

Location:

Rayong, Mueang Rayong District, Rayong, Thailand

Work mode:

Onsite

Published on:

7 September 2026

What they need


Responsibilities:
·       Coordinate and interface with Project team, Piping and Layout, Mechanical, E&I and Civil & Structure and other disciplines in project, Plant operation, maintenance and more.

·       Capable of executing all project phases from Concept Design / Basic engineering / Detail Engineering includes Bidding packages.

·       Perform process calculations such as hydraulic calculations, control valve sizing, pump sizing, pressure vessel sizing, pressure safety valve sizing with contingency analyses, etc., and generate the calculation reports.

·       Perform process simulation program (Aspen Plus, Apen Hysys, PIPENET, FLARENET, etc.) to support the process calculation tasks.

·       Perform heat exchanger design by using HTRI or Aspen Hysys.

·       Generate process data sheets and support other disciplines to finalize instrument and mechanical data sheets/specifications.

·       Prepare / develop/ check and maintain Process engineering document either prepared by himself/herself or others as assigned by Lead Engineer such as

  • Process Flow Diagram (PFD)
  • Piping and Instrument Diagram (P&IDs)
  • Heat and Material Balance
  • Process Description
  • Process Datasheet for Mechanical Equipment and Instrumentation

·       Utilities Consumption list (Relief Load Summaries, Emission List, Cause and Effect diagram, Equipment list, Piping line list.

Qualification:

·       Master’s or Bachelor’s degree in Chemical Engineering or other related discipline with Associate Chemical Engineer License (ภาคีวิศวกร) or higher.

·       A min of 3 years relevant experience. Prefer work experience in Petrochemical, refinery Oil & Gas, Manufacturing & Factory sector.

·       Have enough knowledge of related Thai / international codes and standards applicable.

·       Familiar with process engineer calculation software, for example: Aspen Plus, Aspen Hysys, PRO/II, HTRI, PIPENET etc.

·       Skill of English listening, speaking, and writing is a plus.

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