Principal Piping Designer

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

As a Principal Piping Designer, you will serve as a senior technical authority and design leader for piping design activities across complex, large‑scale, and high‑value projects. You will be accountable for the overall technical quality, constructability, and consistency of piping design deliverables while providing expert‑level guidance to designers, engineers, and project teams.

The Principal Piping Designer role requires a high level of design subject matter expertise. The Principal Piping Designer is a trusted technical advisor to project leadership and clients, and a key contributor to the development of best practices, standards, and continuous improvement within the piping design discipline. The position plays a critical role in delivering safe, constructible, and cost‑effective piping solutions across multidisciplinary engineering projects in the energy, chemicals, mining, and infrastructure sectors.

Key Responsibilities

Technical Authority & Design Leadership

• Act as the principal technical authority for piping design on large and complex projects, providing expert guidance on layout, routing, and constructability.
• Lead the development and oversight of complex piping design deliverables, including:
  • Piping layouts and routing studies
  • 3D model development and model governance
  • Isometric drawings and piping plans
  • Plot plans and equipment layouts
  • Pipe support concepts and layouts (in collaboration with stress/support teams)
• Establish and uphold piping design philosophies, standards, and best practices across projects and portfolios.
• Provide advanced technical input into design challenges related to congestion, operability, maintenance access, safety, and constructability.
• Serve as the escalation point for complex technical issues and design decisions.

Quality Assurance & Governance

• Ensure piping design deliverables meet required quality standards, project specifications, and applicable codes and standards (e.g., ASME, CSA, client standards).
• Perform senior‑level technical reviews and assurance checks on critical design deliverables and 3D models.
• Support the development and continuous improvement of piping design procedures, workflows, templates, and technical guidelines.
• Champion digital design excellence, model governance, and consistency in the application of design tools and data standards.

Project & Stakeholder Leadership

• Provide technical leadership and strategic input to project management teams during project planning, execution, and delivery.
• Act as a senior piping design interface with clients, supporting technical alignment, design reviews, and resolution of high‑level design issues.
• Collaborate closely with Piping Engineers, stress teams, and other discipline leads to ensure integrated, coordinated, and constructible designs.
• Support constructability reviews and interface with construction, procurement, and commissioning teams as required.

Mentorship, Capability Building & Continuous Improvement

• Mentor and coach Lead and Senior Piping Designers, providing technical guidance and supporting professional development.
• Contribute to the development of discipline capability, succession planning, and technical competency frameworks.
• Support the implementation of lessons learned and continuous improvement initiatives across projects and portfolios.
• Promote a strong safety culture in design, including consideration of safe access, operability, maintainability, and construction sequencing.

Qualifications & Experience

• 10+ years of piping experience.
• Strong knowledge of piping codes, standards, and materials.
• Proven experience in developing and reviewing piping design deliverables for industrial oil and gas facilities such as refineries, pipelines, gas processing facilities, and infrastructure while ensuring compliance with safety, operational and client specifications.
• Good communication and problem‑solving skills, comfortable working in an interdisciplinary environment.
• Proficient in any of the relevant design software (e.g., E3D, S3D, Plant 3D, CAD Worx, NAVIS, 3D scans).
• Ability to travel to site for field verifications.
• Experience in power, oil sands, heavy oil (SAGD, mining), hydrogen, carbon capture, or related sectors is desirable.
• Diploma or degree in Engineering Design, Mechanical/Piping Technology, or a related discipline.

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