Senior Process Engineer-Mining

Senior Process Engineer

Worley is a global professional services company of energy, chemicals and resources experts headquartered in Australia. Right now, we're bridging two worlds as we accelerate to more sustainable energy sources, while helping our customers provide the energy, chemicals and resources that society needs now. We partner with our customers to deliver projects and create value over the life of their portfolio of assets. We solve complex problems by finding integrated data-centric solutions from the first stages of consulting and engineering to installation and commissioning, to the last stages of decommissioning and remediation. Join us and help drive innovation and sustainability in our projects.

We are looking for a dynamic and passionate Senior Process Engineer to join our team in Mesa, Arizona, ready to innovate solutions for our mineral processing, smelting, and refining projects. A solid background in base metals is crucial for this position. Responsibilities include leading brownfield studies / projects and / or offering process design expertise on larger studies / projects. The emphasis is on delivering value to Worley MMM clients through early-phase Process Engineering and advancing Process optimization concepts to bolster growth strategies. All candidates must have proper documentation that proves their ability to work in the United States. This is a full-time position based at our Mesa, Arizona office, with potential project assignments in Tucson, Arizona or other regions within United States.

Responsibilities include :

• Complete conceptual and / or detailed process engineering designs for new facilities or modifications to existing ones.
• Develop design basis documents (e.g., process design criteria, mass, energy, water balances) and reports.
• Act as the project lead designer / engineer, overseeing engineers, designers, and drafters.
• Supervise and analyze metallurgical test work programs to develop / optimize flowsheets.
• Conduct plant auditing, debottlenecking, and optimization.
• Perform calculations, design development, and process simulations, including specifying process equipment and instrumentation.
• Create, review, and revise process deliverables such as PFDs, P&IDs, line lists, control philosophies, datasheets and specification.
• Size preliminary equipment and coordinate with vendors to ensure equipment meets process requirements; execute technical bid evaluations.
• Familiarity with major process equipment and suppliers.
• Support Plot Plan and Piping Layout development.
• Prepare Operating Cost estimates and contribute to Capital Cost estimates.
• Interface and coordinate with other discipline engineers and project management staff.
• Review and apply relevant standards, regulations, codes, best practices, and guidelines; identify areas of deviation or concern.
• Adhere to company work procedures, process technical guidelines, quality assurance plans, safety regulations, and specific customer / project procedures.
• Validate process deliverables per customer requirements.
• Participate in HAZOP and / or HAZID studies, Risk Assessments.
• Operational / plant experience is advantageous.
• Ability to work effectively in a team environment.
• Commitment to quality and ongoing learning.
• Optimize processes to enhance productivity, quality, and safety standards.
• Participate in projects from initial studies through to feasibility, ensuring adherence to budget and schedule.
• Collaborate with clients, technology providers, and regulators to achieve project objectives.
• Ensure compliance with safety, environmental, and industry regulations.
• Mentor Engineering team in technical skills, safety practices, and operational efficiency.
• Willing to visit site and interact with mining client operation team to understand the project challenges and information needed.
• Foster innovation through research and implementation of new technologies.
• Develop risk management strategies to effectively mitigate operational risks.
• Review detailed engineering designs, calculations, and drawings, providing professional engineering stamps when required.
• Deliver high-quality engineering solutions while ensuring safety, efficiency, and value optimization.

What you will bring :

Technical / Industry Experience and Qualifications Requirements :

Education Qualifications, Accreditation, Training :

Required : Bachelor's degree in metallurgy, mineral processing or chemical engineering.

Preferred : Licensed Professional Engineer (PE) in the state of Arizona or the ability to obtain licensure within an expedited timeframe. Advanced degree in Process Engineering is a plus. Familiarity with mining regulatory / MSHA certification and standards is preferred.

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. We're committed to building a diverse, inclusive and respectful workplace where everyone feels they belong, can bring themselves, and are heard. We provide equal employment opportunities to all qualified applicants and employees without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law. Our policy is to conduct background checks for all candidates who accept an offer of employment with us.

Please note : No agency representation or submissions will be recognized for this vacancy.