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Job Description - Principal Instrumentation & Controls Designer (CAL01W3)Management Level:Individual Contributor:

About us

Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions.

Purpose

The Principal Instrumentation Designer provides senior-level design leadership and technical expertise for instrumentation and control (I&C) deliverables across major projects. This role is accountable for the quality, consistency, and timely delivery of complex instrumentation design packages in support of Worley and its customers, while providing technical mentorship to design teams.

Responsibilities

Lead and deliver high-quality instrumentation design services that meet Worley, client, and applicable statutory and regulatory requirements, on time and within budget.

You will be accountable for:

• Leading the development, coordination, and quality assurance of instrumentation design deliverables across the full project lifecycle (concept, FEED, detailed design, construction support).

• Providing technical direction and oversight to instrumentation designers and drafting teams, including task assignment, workload planning, and design reviews.

• Participating in project planning, progress reporting, and compliance with required checking and quality assurance procedures.

• Ensuring project scope is clearly defined and that changes are managed in accordance with project change management processes.

• Supporting procurement, construction, and commissioning activities, including:

  Review of requisitions and technical bid evaluations

  Input to purchase orders and vendor documentation

  Resolution of site and vendor queries

• Coordinating closely with engineering disciplines (process, electrical, mechanical, piping, and automation) to ensure fully integrated designs.

• Proactively identifying and resolving discrepancies between Worley and client design standards and requirements.

• Providing technical input into constructability, maintainability, and operability reviews.

• Supporting and mentoring junior designers and engineers, fostering technical excellence and knowledge sharing within the instrumentation team.

• Communicating effectively with project stakeholders, including clients, vendors, and construction partners.

• Identifying technical risks and issues, developing practical solutions, and escalating when appropriate.

Technical & Industry Experience

• Extensive experience delivering complex instrumentation design on industrial projects (., energy, mining, chemicals, or infrastructure).

• Strong working knowledge of I&C design systems, workflows, and document management tools (., SAP, KMS or similar project systems).

• Demonstrated participation in process safety and operability studies (., HAZOP, LOPA) and the ability to translate outcomes into design requirements.

• Solid understanding of project scope development, workshare execution, and delegation of design activities across internal and external teams.

Strong working knowledge of core Instrumentation & Control design deliverables, including:

• Junction box and marshalling panel layouts

• P&IDs

• Loop diagrams, wiring diagrams, and instrument location drawings

• Motor control and interconnection schematics

• Instrument installation details

• Instrument datasheets and specifications

• I/O lists

• Bills of material

• Cable, conduit, and tray schedules

• Control narratives and philosophies

• Cause & effect diagrams

• Material requisitions

• Construction and engineering work packages

Working knowledge of instrumentation selection and application, including:

• Flow measurement (orifice plates, vortex, venturi, magnetic, ultrasonic).

• Level measurement (radar, displacers, gauges).

• Temperature measurement (including thermowell design and frequency wake. calculations)

• Pressure measurement and associated accessories.

Education, Qualifications & Accreditation

Required:

• Accredited Engineering Technology, Design, or related technical qualification (Engineering degree or diploma preferred).

• Extensive experience in senior-level Instrumentation & Controls design roles on large, multidisciplinary projects.

• Demonstrated ability to interpret, develop, and review complex I&C drawings, schematics, and technical documentation.

• Strong communication, coordination, and problem-solving skills.

Preferred (where applicable):

• Professional designation or eligibility for professional certification relevant to design or engineering disciplines (., APEGA, ASET, or equivalent).

For applicants based in the province of British Columbia, the salary range is $118,726 to $160,630

Moving forward together

We’re committed to building a diverse, inclusive and respectful workplace where everyone feels they belong, can bring themselves, and are heard. We provide equal employment opportunities to all qualified applicants and employees without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by law.

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.

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.