Freeport-McMoRan · 3 hours ago
Lead Engineering Technician - Leach Process Optimization
Phoenix, AZ
Full-time
Onsite
Senior Level
$31/hr - $42/hr
7+ years expFreeport-McMoRan is committed to providing a collaborative work environment with a focus on safety and employee growth. The Lead Engineering Technician will manage and oversee in-field activities related to recipe development and optimization, ensuring operational continuity and timely test results.
Mining
Responsibilities
Manage and oversee in-field activities for recipe development and optimization test work and trials, including Field Array trials to evaluate leaching uplift and technical aspects of additive development
Implement and operate field arrays and associated units, ensuring 24/7 operational readiness and troubleshooting as needed
Liaise with contractors and operators responsible for mixing/dosing additives, monitoring field array operations, and ensuring compliance with protocols
Collect, process, and analyze samples to ensure expeditious generation of test results and support technical evaluations
Participate in planning phases of field test work to provide practical support during execution, including weekend standby as required
Perform additional duties as requested/required
Qualification
Required
Minimum of 7 years of experience in an engineering or technical area relevant to the assignment or mining industry
Experience with field test work, sample collection, and basic analytical techniques
Familiarity with leaching processes, additive mixing/dosing, and operation of field arrays or similar equipment
Strong troubleshooting and problem‑solving skills in operational environments
Ability to coordinate with contractors and site personnel, ensuring compliance and operational continuity
Effective communication and organizational skills with strong time‑management ability
Commitment to safety, environmental compliance, and operational excellence
Willingness to work weekends and maintain required site presence
Preferred
Experience with recipe development, optimization trials, and technical support for mining or chemical processing operations
Prior involvement in heat or raffinate injection trials
Basic data analysis skills and familiarity with reporting protocols
Leach Operations Experience
Benefits
Affordable medical, dental and vision benefits
Company-paid life and disability insurance
401(k) plan with employer contribution/match
Paid time off, paid sick time, holiday pay, parental leave
Tuition assistance
Employee Assistance Program
Discounted insurance plans for pet, auto, home and vehicle
Internal progression opportunities
Learn more about our competitive and comprehensive benefits package!
Company
Freeport-McMoRan
Freeport-McMoRan Inc. (Freeport) is a leading international metals company with the objective of being foremost in copper.
10001+ employees
Funding
Current Stage
Late StageLeadership Team
A. Cory Stevens
SVP and President FM Technical Services
Bertrand Odinet
SVP and Chief Innovation Officer
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