Principal Process Engineer - Bauxite & Alumina

About the Job

We are seeking a Principal Process Engineer to join our Bauxite & Alumina Centre of Excellence on a full-time basis. You will bring extensive alumina industry experience, gained in operations, consulting and/or process design engineering, along with a strong track record of leading complex process engineering solutions across all stages of project delivery.

The ideal candidate will combine deep technical expertise in alumina refining with experience leading process studies, brownfield modifications, debottlenecking initiatives, operational improvement programs and capital projects. Strong capabilities in plant troubleshooting, process optimisation and delivering practical, fit-for-purpose solutions for operating facilities will be highly regarded.

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 specialise 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.

What You'll Do

• Lead conceptual, pre-feasibility and detailed process engineering designs for greenfield and brownfield expansion projects.
• Coordinate and lead teams of process engineers to deliver successful project outcomes within budget and schedule constraints.
• Collaborate with Engineering Managers and Project Managers on studies and projects to deliver high-value, optimised technical solutions with strong consideration of technical risk and economic viability.
• Lead the development of process engineering deliverables including Design Criteria, Mass and Energy Balances, process simulations, calculations, Process Flow Diagrams (PFDs), Piping and Instrumentation Diagrams (P&IDs), datasheets, control philosophies and technical reports.
• Lead process evaluations, trade-off studies and operational reviews to support major project decision-making using a range of tools, including multi-criteria assessments.
• Complete equipment sizing activities and engage with vendors to ensure selected equipment meets process requirements, conduct technical bid evaluations and obtain budgetary quotations to support capital cost estimates.
• Provide technical and safety leadership to ensure designs are developed in accordance with relevant codes, standards and industry best-practice process safety principles.
• Provide overall technical assurance responsibility for process engineering deliverables throughout the project lifecycle.
• Work within company procedures, technical guidelines, quality assurance frameworks, safety requirements and project-specific standards.

What You'll Have

• A Bachelor’s degree in Chemical Engineering, Metallurgy or a related science discipline.
• Significant operational and design experience in alumina processing (Bayer process) and/or similar hydrometallurgical processes.
• Demonstrated operational and design experience across a broad range of process unit operations.
• Professional accreditation and compliance with local engineering registration requirements.
• Strong time management skills and the ability to adjust the depth of technical analysis to suit the level of study definition, including FEL1, FEL2 and FEL3 studies.
• Experience leading front-end conceptual studies and pre-feasibility studies.
• Operational plant experience (preferred).
• Exposure to SysCAD or similar process simulation software (advantageous).
• A demonstrated commitment to continuous learning and professional development.
• Strong computer skills and proficiency with Microsoft Office applications.
• Brisbane or Perth location preferred, although other locations may be considered.

Why You Should Apply

• Join a fun, inclusive and globally connected team of professionals.
• The opportunity to influence projects of global importance.
• Competitive remuneration and employee benefits.
• Access to a world-class network of technical experts.
• A collaborative environment that values technical excellence and knowledge sharing.
• Career development opportunities beyond this role.

Moving Forward Together

We want our people to be energized and empowered to drive sustainable impact. 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 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.