Principal Instrumentation & Controls Designer

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.

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.

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

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.

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.

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