Senior Principal Process Engineer

Worley; Al Khobar; On-site; SAR 400,000 - 700,000; Full time

Job summary

Worley in Saudi Arabia seeks a senior Process Engineering Leader to drive design delivery across the project lifecycle. You will lead the Process Engineering discipline, provide technical direction to EPC Contractors, and coordinate with iPMT and operations to resolve complex design issues.

You will oversee deliverables such as PFDs, P&IDs, HAZOPs, relief and flare studies, and ensure conformance with codes and the Engineering Execution Strategy, delivering safety-focused, integrated plant

Responsibilities

• 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.
• 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.
• 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.
• Lead implementation of process safety management principles through design, procurement, construction, commissioning, startup, and operations readiness.
• Ensure compliance with applicable process safety standards and industry best practices.
• Lead the identification, assessment, and mitigation of process‑related risks.
• Ensure consequence modelling, relief studies, flare studies, dispersion analyses, fire protection studies, and safety assessments are completed and incorporated into the design.
• Maintain the Process Safety Risk Register and align it with the Project Master Risk Register.
• Provide technical recommendations for risk mitigation and design improvements.
• Facilitate and manage P&ID reviews, HAZOP studies, Process Safety Reviews, Design Safety Reviews, SIL assessments, LOPA studies, and constructability and operational readiness reviews.
• Participate actively throughout the engineering, procurement, construction, and commissioning

Job description

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.

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 management principles through design, procurement, construction, commissioning, startup, and operations readiness.
• Ensure compliance with applicable process safety standards and industry best practices.
• Lead the identification, assessment, and mitigation of process‑related risks.
• Ensure consequence modelling, relief studies, flare studies, dispersion analyses, fire protection studies, and safety assessments are completed and incorporated into the design.
• Maintain the Process Safety Risk Register and align it with the Project Master Risk Register.
• Provide technical recommendations for risk mitigation and design improvements.

Process Design Review/Process Safety Workshops

• Facilitate and manage P&ID reviews, HAZOP studies, Process Safety Reviews, Design Safety Reviews, SIL assessments, LOPA studies, and constructability and operational readiness reviews.
• Participate actively throughout the engineering, procurement, construction, and commissioning