Principal Process Engineer

Principal Process Engineer – Tucson, AZ (Hudbay Project Support)

DRA Global Limited is an international, multi-disciplinary engineering, project delivery, and operations management group, predominantly focused on the mining, minerals, and metals industry.

The Group has an extensive track record spanning almost four decades across a wide range of commodities. Our teams have deep expertise in the mining, minerals, and metals processing industries, as well as related non-process infrastructure such as water and energy solutions.

DRA operates across all major mining regions with offices in Africa and the Middle East, North and South America, the USA, and Asia-Pacific.

We are currently seeking a Principal Process Engineer to join our growing team in Phoenix, AZ with site support responsibilities for our Hudbay Project in Tucson, AZ. This position plays a critical role in supervising, coordinating, and driving the successful execution of process engineering design activities across feasibility, EPCM, and EPC projects.

• Lead process engineering deliverables including PFDs, P&IDs, mass balances, and process equipment specifications.
• Drive metallurgical evaluation and peer review of estimates, schedules, proposals, and designs.
• Support and mentor process engineers and designers, ensuring alignment with industry standards and client requirements.
• Provide technical expertise during commissioning, troubleshooting, and operations support.
• Collaborate with multidisciplinary engineering teams, contractors, and clients to ensure integrated project execution.
• Manage design mark-ups, redlines, and discipline sign-off for engineering deliverables.
• Lead presentations and provide input for business development and proposals.
• Ensure compliance with safety, environmental, and statutory requirements in all process designs.
• Maintain awareness of technical advances and innovation within mineral processing.

• Bachelor’s degree in Mineral Processing, Chemical, or Metallurgical Engineering
• Professional Engineer (P.Eng. or PE) license, or eligibility for registration

• 12+ years’ mineral processing/chemical plant operation experience, preferably in an EPCM environment.
• 10+ years in consulting with strong technical knowledge in a multi-functional environment.
• 5+ years demonstrated leadership and management experience in a multinational, cross-functional team.
• Experience with Hudbay projects or similar large-scale mining projects advantageous.

• Excellent analytical ability and problem-solving skills.
• Strong written and verbal communication.
• Project management and critical thinking skills.
• Financial and business acumen.
• Strong leadership, mentoring, and teamwork abilities.
• Ability to think methodically with high attention to detail.
• Proactive, accountable, and results-driven.
• Strong interpersonal and relationship-building skills.
• Commitment to safety, innovation, and continuous improvement.

Permanent – based in Phoenix, AZ, with regular site travel to Tucson, AZ.

• May be required to stand, sit in a stationary position ~50% of the time, alternate between sitting and standing, push/pull, reach overhead or below shoulder level, kneel, squat, or stoop.
• Occasionally lift and carry items such as files, documents, or small packages (10–20 pounds).
• Frequent use of hands and fingers to operate a computer keyboard and office equipment.
• Close visual acuity to perform activities such as reading, analyzing data, and working on a computer.

DRA Global is committed to building a diverse and inclusive workplace where everyone feels valued and supported. We believe that diversity strengthens our ability to reach our goals, enhances our reputation, and helps us attract, engage, and retain great people.

We welcome applications from individuals of all backgrounds, regardless of gender, age, disability, ethnicity, or any other characteristic. Our values — People, Safety, Trust, Integrity, Excellence, and Courage — reflect our ongoing commitment to equal opportunities and an inclusive culture.