Principal SP3D Designer ( Instrumentation

Job Description - Principal SP3D Designer ( Instrumentation) (AL 0453)

Company:
Worley

Not specified

Instrumentation and Controls

Full-time

Employee

Feb 15, 2026

Mar 17, 2026

Building on our past. Ready for the future

Worley is a global professional services company of energy, chemicals and resources experts. We partner with customers to deliver projects and create value over the life of their assets. We’re bridging two worlds, moving towards more sustainable energy sources, while helping to provide the energy, chemicals and resources needed now.

At Worley, we’re building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and can thrive is essential to our mission of delivering sustainable change. We know that diverse and inclusive cultures are safer and more innovative.

We encourage applications from candidates from all backgrounds and diversity characteristics and warmly encourage disabled or neurodivergent candidates to apply.

As a Principal SP3D Designer (Instrumentation) you will be responsible for the instrument Design team and design work associated with offshore Gas Oil Separation plants (GOSP), Wellhead platforms, Tie-in platforms projects under general direction. Works independently to complete the most demanding assignments through the application of advanced design theories, techniques, and practices. Recognized as an authority on relevant regulations, codes, and standards.

Knowledge and experience working with instrumentation & control systems such as process instrumentation, DCS, RTU, SCADA, Fire & Gas, ESD Systems & Valves.

In-depth knowledge and hands‑on strong experience with Smart Plant Instrumentation, Smart Plant Review of SP3D, PDS/PDMS and Micro Station.

Participate in HAZOP, PHA, HIPS, SIS, SIL, Value engineering, Constructability, Model Review, Lesson learned workshops.

Participate in multidiscipline engineering reviews, project meetings, vendor meetings and coordination.

Coordinate engineering studies, and review packages. Works to resolve inter‑discipline inconsistencies and coordinate with team members to ensure design is safe and environmentally friendly.

Prepare plans, layouts and designs with supporting calculations for specifications, and delegate drafting to assist in the production of detailed drawings, the development of tools, quantities, materials lists and cost estimates as required.

Proficient in development of Instrument wiring and loop drawings along with Instrument hook up details & detailed MTO.

Check and plans, designs, materials purchased and equipment for conformity with project specifications.

Liaise with engineers regarding design development work and task related to construction, conduct site visits and execute or plan strategies.

Participate in the planning of resources and project manhour estimates as required. Good technical, team and interpersonal skills. Mentors/trains and support training and skill development of design team members and perform annual evaluations.

Quality Assurance – Responsible for working within the provisions and guidelines of the Quality Assurance system relevant to the Oil & Gas Business Unit.

Safety – Responsible for personal safety safe working practices for the Oil & Gas. Understand and follow OH&S procedures.

• Panel (JB and Marshalling) Design
• P&'s
• Loop Drawings
• Wiring Drawings
• Motor Control Schematics
• Instrument Location Drawings
• Instrument Specifications (Datasheets)
• I/O Lists
• Bill of Materials
• Conduit/Tray/Cable Schedules
• Control Narratives
• Cause and Effect Diagrams
• Construction or Engineering Work Packages

Working knowledge (design/configuration/implementation) of any of the following systems:

• SISs, preferable Triconex.
• DCS, preferable Honeywell TDC/TPS/Experion.

Working knowledge of industry standards and codes related to Instrumentation & Control system deliverables.

Being able to work with multiple and concurrently small and medium projects.

Working knowledge of Computer-Aided Design software.

Working knowledge of Smart Plant Instrumentation (SPI) software.

Working…