Senior Principal Process Engineer

WorleyParsons; Al Khobar; On-site; SAR 250,000 - 420,000; Full time

Job summary

Worley is seeking a Senior Principal Process Engineer in Saudi Arabia to lead the Process Engineering discipline, coordinate with EPC contracts, and drive safety and design quality across multi-discipline projects.

You will ensure compliance with codes and standards, oversee deliverables (PFDs, P&IDs, relief studies) and mentor project teams through front-end and execution phases.

Qualifications

• A recognized and relevant engineering degree.
• Chartered Professional Engineer status preferred.
• Experience leading process engineering teams in EPC projects.

Responsibilities

• Lead and manage the Process Engineering discipline team and provide technical direction to EPC Contractors.
• Review and coordinate process deliverables such as PFDs, P&IDs, heat and material balances, and safety studies.
• Coordinate interfaces among Owner, EPC Contractors, Licensors, and third-party certification bodies.
• Lead process safety management initiatives through design, procurement, construction, commissioning and operations readiness.
• Facilitate P&ID reviews, HAZOPs, and safety reviews; participate in engineering, procurement and construction phases.
• Ensure compliance with Owner requirements, HSSEQ standards, and project procedures.

Skills

Process engineering

Technical leadership

PFDs & P&IDs

Process safety

Interface management

Risk assessment

Education

Engineering degree

Chartered Engineer status

Tools

MS Office Suite

Job description

Job Description - Senior Principal Process Engineer (SAU00DS)

Senior Principal Process Engineer - SAU00DS

Company : Worley

Primary Location

Job

Job

Process

Schedule

Full-time

Employment Type : Employee

Job Posting

Sep 14, 2026

Unposting Date

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 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 phases.
• Promote process safety culture and HSSEQ awareness.

Compliance and Quality Assurance

• Ensure compliance with Owner requirements, international HSE standards, and local regulations.
• Track HAZOP, SIL, LOPA, and safety study recommendations through closure and ensure they are incorporated into the design.
• Monitor approved safety recommendation implementation and report progress to Project Management.
• Ensure instrumented safeguards, shutdown philosophies, and safety-critical systems meet the required integrity levels.
• Verify implementation of Owner HSSEQ requirements across EPC Contractors.
• Conduct periodic audits of Process Engineering activities and identify improvement opportunities

Qualifications

What you will bring

Technical and Industry Experience

• Highly effective technical and practical engineering skills and ability to consistently deliver quality, accurate and timely work to Worley and its customers.
• A sound knowledge of the fundamental requirements of the process engineering, and the basic requirements of other engineering fields.
• A sound knowledge of applicable local and international standards and statutory and regulatory requirements.
• Competent use of process engineering specific software.
• Competent use of relevant software such as MS Office Suite.
• Substantial technical land practical experience in process engineering in the same or similar industry including experience in working in multi-disciplinary projects and teams.

Education & Qualifications, Accreditation, Training

• A recognized and relevant engineering degree.

Preferred:

• Chartered Professional Engineer (CPEng) status.
• Relevant postgraduate qualifications in engineering, management, project management or supervisory qualifications or equivalent.

Moving forward together

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. We're building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.

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.