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Senior Environmental Engineer

Freeport-McMoRan

Phoenix, AZ · Posted October 26, 2026

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About the job

Why You Should Apply for This Job

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

Under general supervision, you provide engineering technical expertise, guidance and leadership for environmental projects and programs.

As the Sr Environmental Engineer, you determine and assess environmental risk and develop regulatory documentation of results.

You perform site inspections and recommend appropriate action to management in compliance with regulations.

You review and develop appropriate recommendations regarding planned expansion, modification or closure of facilities that affect environmental discharges, emissions and hazardous materials.

In this role, you serve as Project Manager or technical expert on large or complex environmental projects, including compliance, remediation or reclamation.

You evaluate and administer contracts with vendors for services and equipment.

You provide guidance and counsel to the site management team on applicable programs, practices and existing or proposed local, state and federal regulations.

You contribute to site strategic planning and budgeting efforts for environmental systems and issues.

You maintain current working knowledge of environmental and occupational health regulations, including CERCLA, NEPA, SARA, and the Clean Air and Water Acts.

You provide leadership to less experienced engineers and technicians, may represent the site on company-sponsored steering teams, and perform other duties as required.

What You Bring To Freeport

Bachelor’s degree in Engineering, such as Environmental, Civil, Chemical, Agriculture, Mining, Metallurgical, Geological or a similar discipline, and five years of engineering experience in Environmental Management, including project management experience; OR

Master’s degree in Engineering or a related field and three years of engineering experience in Environmental Management, including project management experience.

Additional certification or licensure appropriate to the job may be required or preferred, such as HAZWOPER, Method 9, DOT, EMS Auditor, Asbestos, Water Treatment Operator, or CHMM.

Knowledge of environmental compliance, permitting, incident investigation and reporting protocols.

Ability to research and analyze information of considerable difficulty and draw valid conclusions.

Skill in managing large or complex environmental projects.

Ability to evaluate and implement new methods and techniques for operational improvement.

Ability to analyze a wide range of soil, water and air samples to recognize potential environmental hazards.

Ability to develop and maintain awareness of occupational hazards and safety precautions.

Skill in following safety practices and recognizing hazards.

Ability to communicate effectively, both verbally and in writing.

Preferred Qualifications

Knowledge/experience with Federal and Arizona air quality regulation and programs (SIP, FIP, NSR, Emission Standards, Etc.).

Experience with evaluating permitting needs for projects and process changes and the preparation of air quality permit applications and modifications.

Experience communicating with and leading personnel from operational departments through air quality compliance requirements.

Familiarity with data analysis and validation.

Familiarity with environmental compliance and management systems.

What We Offer You

The estimated annual pay range for this role is currently $97,500-$138,000. 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 discretionary and incentive payment considerations based on company and individual performance. More details will be shared during the hiring process.

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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.

Must be able to work onsite at the local HUB at least one (1) day per month and travel up to 30% domestically and 5% internationally to support business operations and project requirements.

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 HRSC@fmi.com.