Senior Process Engineer - Mining Projects (Design and Construction)

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• About this role – Senior Process Engineer – Mining Projects (Design & Construction)
• Responsibilities
• Lead evaluation and selection of the preferred gold extraction route (heap leach, CIL / CIP, gravity, floatation, or hybrid)
• Oversee metallurgical test programs, trade-off studies, and process design criteria for feasibility and early-stage studies
• Prepare and review cost estimates, recovery forecasts, and economic models to support project decision-making
• Provide technical leadership during engineering design, equipment selection, and process layout development
• Oversee commissioning and ramp-up, ensuring safe and efficient startup of mill circuits, ADR plants, and / or heap launch pads
• Mentor and guide junior and mid-level metallurgists and process engineers
• Establish metallurgical accounting, mass balance systems, and process monitoring tools
• Collaborate with corporate, mining, geology, and environmental teams to integrate process design with the broader mine plan
• Ensure compliance with regulatory, environmental, and safety standards in all aspects of design and operation

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• The above duties and responsibilities are representative of the nature and level of work assigned and are not necessarily all-inclusive._
• Qualifications and Skills
• Bachelor’s, or master’s, degree in metallurgical, Chemical, or Process Engineering
• 8+ years of gold processing experience, including CIL / CIP operations; experience in heap leach processing a plus
• Demonstrated experience in flowsheet development, cost / recovery estimation, and project evaluation
• Previous involvement in greenfield or major brownfield project development highly desirable
• Strong leadership and mentoring abilities, with excellent communication skills
• Proven track record in process optimization, troubleshooting, and operational support
• Commitment to safety, environmental responsibility, and innovation
• A valid passport is required for international travel
• Working Conditions
• Tucson office-based modeling work and field-based exploration / mine site duties
• Exposure to outdoor and mining environments, including open pit and underground settings
• May require FIFO / DIDO roster or extended stays during critical construction and operational phases
• Why Join Us
• Play a key role in building mining and processing facilities from the ground up, shaping processes, strategy and culture
• Direct involvement in flowsheet selection, plant design, and commissioning of a greenfield operation
• Work alongside a collaborative, safety-first team of professionals
• Be a part of a company committed to innovation, sustainability, and community engagement
• What We Offer
• 401K plus company match
• Paid time off
• Health insurance
• Dental insurance
• Life insurance
• Vision insurance

Job Type : Full-time

Benefits :
• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Life insurance
• Paid sick time
• Paid time off
• Vision insurance

Education :

• Bachelor's (Required)

Experience :

• Process engineering : 8 years (Required)

Ability to Commute :

• Tucson, AZ 85701 (Required)

Work Location : In person