About the job

We’re looking for a Senior Process Engineer to join our Thailand team.

When you work for us, you get the chance to join nearly 50,000 people all driven by a common purpose of delivering a more sustainable world. We’re excited about the challenges ahead. We believe there’s never been a more rewarding time to work in the energy, chemical and resources sectors.

As a Senior Process Engineer, you will be responsible for engineering services for process discipline.

To succeed in this role, you should have experience to design separator, vessel, tank, pump, piping, heat exchanger, heater, compressor, control valve, flow device, PSV, BDV according to relevant code and standard.

Who we are

Worley is a global professional services company of energy, chemicals and resources experts headquartered in Australia.

Right now, we’re bridging two worlds as we accelerate to more sustainable energy sources, while helping our customers provide the energy, chemicals and resources that society needs now.

We partner with our customers to deliver projects and create value over the life of their portfolio of assets. We solve complex problems by finding integrated data-centric solutions from the first stages of consulting and engineering to installation and commissioning, to the last stages of decommissioning and remediation.

Join us and help drive innovation and sustainability in our projects.

What you’ll do

We are looking for a Senior Process Engineer to join our team in Bangkok office

The role responsibilities include:

·Perform process design, engineering calculations, and equipment sizing for key process equipment (e.g., separators, vessels, heat exchangers, pumps, compressors, PSV/BDV).

·Develop core process engineering deliverables such as PFD, P&ID, H&MB, datasheets, and Basis of Design.

·Execute process simulations using HYSYS, Flarenet, and PIPESIM, and support process optimization and overpressure protection design.

·Provide process input to HAZID, HAZOP, SIL reviews and coordinate with vendors to obtain and validate technical data.

·Support technical clarifications, bid evaluations, and project activities including construction, FAT/SAT, pre‑commissioning, and commissioning as required.

What you’ll have

·Minimum 10 years of experience in the oil & gas or petrochemical industry.

·Bachelor’s Degree in Chemical Engineering.

·Strong skills in process design & equipment sizing (separators, vessels, heat exchangers, pumps, compressors, PSV/BDV).

·Proficiency in process simulations (HYSYS, Flarenet, PIPESIM) and key process calculations (relief/vent, blowdown, utility).

·Ability to prepare core process engineering deliverables (PFD, P&ID, H&MB, datasheets) and participate in HAZID/HAZOP/SIL reviews.

Why you should apply

Providing an agile culture and challenging work opportunities results in a positive work environment.

·Group Insurance (Medical, Life) and Dental Insurance

·Provident fund

Moving forward together

We want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation.

We’re building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.

And we're not just talking about it; we're doing it. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology.

Whatever your ambition, there’s a path for you here. And there’s no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.

Ready to join us? Apply now to submit your CV