Senior Principal Process Engineer

Job Description - Senior Principal Process Engineer (SAU
00DS
)

Senior Principal Process Engineer - SAU
00DS

Company :
Worley

Process

Full-time

Employment Type

:
Employee

Sep 14, 2026

Oct 14, 2026

Reporting Manager Title :
Process DM

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.

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.

Key Responsibilities

Leadership & Management

• Lead and manage the Process Engineering discipline team.
• Provide technical direction and leadership to EPC Contractors
• Coordinate closely with the iPMT Process Engineering organization and other project disciplines.
• Coordinate with Operations, technical departments, Contractors, and Licensors to resolve technical issues.

Process Design and Technical Assurance

• Review and coordinate process engineering deliverables prepared by EPC Contractors and Licensors.
• Ensure designs are optimized and comply with applicable codes, standards, and industry best practices.
• Monitor process engineering execution against the Engineering Execution Strategy and approved procedures.
• Resolve process-related technical issues that may affect project execution.
• Review and approve key process engineering deliverables, including:
  • Process Design Basis
  • Process Flow Diagrams (PFDs)
  • Heat & Material Balances
  • Utility Balances
  • Piping and Instrumentation Diagrams (P&IDs)
  • Operating Philosophies
  • Cause & Effect Diagrams
  • Process Control Narratives
  • Flare Design Basis
  • Relief and Depressurization Studies - Hydraulic Calculations
• Ensure process deliverables are developed and issued in line with project schedules and technical requirements.

Stakeholder and Interface Management

• Serve as the primary iPMT focal point for Process Engineering matters among the Owner, EPC Contractors, Licensors, and third-party certification agencies.
• Manage technical interfaces and support resolution of multidisciplinary engineering issues. Ensure proper process integration across all facilities and battery limits, including:
  • PDH Unit
  • Polypropylene Unit
  • Utilities Systems
  • Offsites
  • Tank Farm Facilities
  • Flare Systems
  • Feedstock Systems
  • Product Export Systems
  • Interconnecting Facilities
• Manage integration of utility consumption and generation requirements, including steam, condensate, cooling water, nitrogen, instrument air, electrical systems, fuel gas, and flare systems.
• Support development of a systemization philosophy aligned with precommissioning and commissioning objectives.
• Ensure interfaces between Licensors and the EPC Contractor are clearly defined, coordinated, and properly managed.
• Lead multidisciplinary reviews to maintain process consistency across engineering disciplines.
• Verify that interfaces with existing NATPET facilities, external utilities, and third-party infrastructure are fully addressed.

Process Safety & Risk Management

• Lead implementation of process safety…