Principal Engineer I – Mineral Process | Phoenix, AZ

Mineral Processing and Metallurgy
Arizona, United States
March 20, 2026
$116,000 - $162,500 / year
Full-time
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Job Description

Company: Freeport-McMoRan

Location: Phoenix, Arizona, United States

Category: Mineral Processing and Metallurgy

Job Type: Full-time

Experience Level: Senior-Level

Job Summary
Freeport-McMoRan is seeking a Principal Engineer I – Mineral Process to lead advanced mineral processing modeling, simulation, and optimization initiatives.

This role focuses on developing and applying simulation models using plant data and ore characterization to improve process performance, support engineering studies, and drive strategic decision-making.

Key Responsibilities

  • Develop and validate mineral processing simulation models
  • Analyze plant data and ore characterization results
  • Support process optimization and flowsheet development
  • Evaluate circuit performance and run scenario analyses
  • Identify opportunities to improve throughput and recovery
  • Integrate ore characterization data into simulation models
  • Collaborate with metallurgy, geology, and engineering teams
  • Support feasibility studies and project development initiatives
  • Communicate technical insights to stakeholders

Qualifications
– Bachelor’s, Master’s, or PhD in Metallurgical or Chemical Engineering with relevant experience

  • Strong knowledge of mineral processing and simulation modeling
  • Experience working with plant operational data
  • Strong analytical and problem-solving skills
  • Ability to communicate complex technical concepts clearly
  • Understanding of engineering principles and safety practices

Additional Experience May Include

  • Experience with comminution and flotation circuits
  • Experience integrating ore characterization into models
  • Advanced knowledge of extractive metallurgy or mineral processing
  • Experience supporting process design and optimization

What We Can Offer You

  • Competitive salary range: $116,000 – $162,500 USD annually
  • Performance-based incentives and long-term compensation opportunities
  • Comprehensive medical, dental, and vision benefits
  • 401(k) with employer match
  • Paid time off, sick leave, and parental leave
  • Tuition assistance and career development opportunities
  • Life and disability insurance
  • Employee assistance programs

Why This Role Matters
This role is critical for improving process efficiency, recovery, and performance through advanced modeling and data-driven decision-making in mining operations.

Apply
👉 https://talent.fmjobs.com/careers/job/40897986

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This job is shared for informational purposes. WeMineUp is not affiliated with the hiring company. Please apply through the official company website.

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