Principal Instrumentation Engineer

Schedule: Full-time

About the job

We’re looking for a Principal Instrumentation Engineer to join our Singapore 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.

We offer a flexible approach to working, because our people are safer, healthier, and more productive when they can balance work with life. That’s why there are flexible and hybrid working options, so you can choose when, where and how you work.

As a Principal Instrumentation Engineer, you will be responsible for Refinery/Chemicals/Petrochemicals/Oil &Gas Industries in the Field of Instrumentation & Control System design of greenfield/revamp/retrofit/Brownfield for Pre-FEED, FEED and Detail Engineering phase of Portfolio, Small, Medium & Large projects.

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 Principal Instrumentation Engineer to join our team in Singapore.

The role responsibilities include:

Prepare & issue Instrument Basis of Design, Project Specification for DCS, SIS, FGS, MMS and PLC systems and Instrumentation required for Packaged Equipment’s.

Prepare, Review and approve Instrument data sheets such as Control valve, On-Off Valves, Safety Relief Valves & other field instruments etc. Verify the calculations for the orifice plate bore, Control Valve Cv, and PSV’s, etc.

Prepare, Review & approve Cause & Effect diagram and Logic diagrams. Review and approve all the vendor documents for DCS, SIS, FGS, MMS, PLC systems, Instruments and for Mechanical Packaged equipment’s.

Prepare and issue Material / Technical Requisition for all instruments, carry out Technical Bid Evaluation and Vendor Documents Review & approval.

Review and approve instrument Index, DCS/SIS/FGS/MMS/PLC I/O Lists.

Cable schedule, Interconnection wiring drawings, Termination drawings, Junction box schedule, Instrument Hook-up drawings, Material Take off.

Prepare & issue Specification for Instrument cables, Junction boxes, Instrument Installation scope. Review and approve Block diagrams, Control / Rack room layout, Cable route, instrument location plan, Loop drawings.

Review of P&ID’s, Isometric drawings, and 3-D modelling.

Work Experience in both Green Field & Brown Field Projects.

Ensure to adherence of Quality Management System, establish and follow Worley QA plans.

What you’ll have

Bachelor or Master Engineering degree in Instrumentation Engineering / Technology.

20-25 years design experience in Petrochemical/Chemical/Oil & Gas industry.

Familiar with both International and Local Codes & Standards.

Knowledge of SPI, AVEVA Instrumentation, SP3D, E3D Databases are essential.

Should have handled at least two Mega / large projects as a Lead Instrumentation Engineer.

Working knowledge on various Client Standards includes Shell DEP, Chevron Standards etc.

Field Instrumentation and experience in Control Systems with strong leadership skills & teamwork is a requisite.

Pro-active, able to communicate direct, open and flexible.

Working experience with Global Integrated Delivery (GID) / High Value Engineering Center (HVEC) is a Must.

Why you should apply

Leading global provider of professional project & asset services in energy, chemicals & resources.

We deliver the world’s most complex projects.

Join a high-performing team.

Join a fun and inclusive, global team of professionals.

Opportunities to progress beyond this role.

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.