Principal Engineer II - Water Treatment Process Design

At Freeport-McMoRan, we are committed to providing an employment package that recognizes excellence, encourages safe production and a culture supported by our core values. Here, you’ll find a collaborative environment where safety is a top priority, all opinions are valued, and people are empowered to grow in their career. Apply Today!

Where You Will Work    

Our global headquarters is in Phoenix, Arizona. Several hundred employees support global operations in finance, human resources, information technology, planning and more from the main office, satellite offices or online. As a Hybrid employee, you’ll engage in virtual collaboration as well as attend in-person meetings at our Collaboration Hub in Phoenix or at one of our site locations. The Collaboration Hub provides an open, flexible workspace for individuals and teams to come together for various business needs. Amenities at the Hub include a working café, phone booths and meeting rooms with technology tools for virtual and in-person collaboration. In-person attendance may vary based on the position and department requirements.

Phoenix is the capital of the Grand Canyon State and enjoys mostly bright skies throughout the year. It is the perfect place if you enjoy the outdoors, love sports, concerts and other big city amenities or technology. There are great neighborhoods around Phoenix, with easy access to a major city, nature, the arts and many more amenities. 

What You Will Do

Join Freeport-McMoRan as a senior technical leader on our Water Management Solutions team, where you’ll play a key role in advancing sustainable water practices across our operations. This position focuses on reducing freshwater use through innovative reuse, recycling, and recovery strategies, while minimizing environmental impact.

• Prepare and review complex engineering deliverables, including process models, mass balances, and design documentation.
• Serve as a subject matter expert on large-scale water treatment projects and operational troubleshooting.
• Guide internal teams on treatment process selection, equipment design, and cost-effective solutions.
• Collaborate with site and project leaders to align engineering strategies with business goals.
• Advise on applied research and testing to inform process design.
• Participate in industry events and contribute to innovation and continuous improvement.
• Support strategic planning and manage budgets for consulting and vendor services.

What You Bring To Freeport

• Bachelor’s degree in Engineering or related engineering discipline and ten (10) years experience in related engineering field; OR
• Master’s degree in Engineering or related engineering discipline and eight (8) years experience in related engineering field; OR
• PhD in Engineering or related engineering discipline and six (6) years experience in related engineering field.
• Advanced knowledge of process design for treatment of various industrial quality waters, municipal water and wastewater, and sea water, engineering design principles and applicable design guides and standards.
• Able to communicate complex technical concepts clearly and effectively, both verbally and in writing in English to a diversely educated audience
• Proficiency in MS Office including CoPilot and ability to manage complex projects.
• Ability and willingness to travel internationally, averaging 5 weeks per quarter.

Preferred Qualifications

• MBA or related certification/experience in financial and economic evaluations
• Registered Professional Engineer
• Management of large and complex projects covering several disciplines.
• Knowledge in the principles and practices of Civil and Environmental Engineering in addition to Chemical Engineering as related to treatment plant design and expertise in modeling approaches to solving engineering challenges
• Experience with metal mining operations, with an understanding of hydrometallurgy and concentrating processes.
• Have a mixture of design and operational experience in mine / industrial water treatment processes and facilities.
• Project Management experience with specific experience with cost estimating for civil/chemical/environmental projects, project scheduling and project controls
• Able to evaluate and implement new methods and techniques in design projects and operational support with proficiency in using appropriate software for process design and plant design
• Fluency in Spanish or Bahasa Indonesian languages

What We Offer You 

The estimated annual pay range for this role is currently $126,500-$177,000 . This range reflects base salary only and does not include bonus payments, benefits or retirement contributions. Actual base pay is determined by experience, qualifications, skills and other job-related factors. This role is eligible for additional incentive compensation considerations based on company and individual performance.  Additionally, this position is currently eligible for annual long-term incentive consideration.  Long-term incentives are contingent upon authorized approval under the terms and conditions of the Company's plan and award agreements.  More details will be shared during the hiring process.  Click here to view a sample of Total Rewards Estimate for this role.  

• 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 auto, home and pet 
• Internal progression opportunities 
• Learn more about our competitive and comprehensive benefits package! 

What We Require

Freeport-McMoRan promotes a drug/alcohol-free work environment using mandatory pre-employment drug testing as allowed by applicable laws.  

Equal Opportunity Employer

Please be advised Freeport-McMoRan will never request payment for job-related expenses from applicants. If you receive any suspicious emails, please disregard them, and report the incident to [email protected].