
Senior Environmental Scientist
Phoenix, AZ · HybridJob$98–138K/yrSeen todaySeen in employer's feed today
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Job overview
The Senior Environmental Scientist provides technical expertise and leadership for environmental projects and programs. The role assesses environmental risk, develops regulatory documentation, conducts site inspections, and advises management on compliance and facility changes. It may serve as project manager or technical expert on complex compliance, remediation, or reclamation projects, while supporting environmental planning, budgeting, and regulatory awareness.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Senior Environmental Scientist
Requisition ID: 147825
Location:
Phoenix, AZ, US, 85040
Category: Environmental
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Why You Should Apply For This 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.
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As the Sr Environmental Scientist, you determine and assess environmental risk and develop regulatory documentation of results.
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You perform site inspections and recommend appropriate action to management in compliance with regulations.
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You review and develop appropriate recommendations regarding planned expansion, modification or closure of facilities that affect environmental discharges, emissions and hazardous materials.
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In this role, you serve as Project Manager or technical expert on large or complex environmental projects such as compliance, remediation or reclamation.
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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.
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You contribute to site strategic planning and budgeting efforts for environmental systems and issues.
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You maintain current working knowledge of environmental and occupational health regulations, including RCRA, CERCLA, NEPA, SARA, and the Clean Air and Water Acts.
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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
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Bachelor’s degree in Environmental Science, Environmental Technology, Earth Science, a related natural science such as Biology, Chemistry, Geology, Hydrology, Forestry, Agriculture, Meteorology, or Environmental/Natural Resource Management, Mathematics/Computer Science including Accounting and Finance, Business Management, or another bachelor’s degree, and five years of related experience; OR
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Master’s degree in a related field and three years of related experienceAdditional 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.
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Knowledge of environmental compliance, permitting, incident investigation and reporting protocols.
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Ability to research and analyze information of considerable difficulty and draw valid conclusions.
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Skill in managing large or complex environmental projects.
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Ability to evaluate and implement new methods and techniques for operational improvement.
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Ability to analyze a wide range of soil, water and air samples to recognize potential environmental hazards.
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Ability to develop and maintain awareness of occupational hazards and safety precautions.
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Skill in following safety practices and recognizing hazards.
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Ability to communicate effectively, both orally and in writing.
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.
Click here to view a sample of Total Rewards Estimate for this role.
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Affordable medical, dental and vision benefits
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Company-paid life and disability insurance
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401(k) plan with employer contribution/match
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Paid time off, paid sick time, holiday pay, parental leave
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Tuition Assistance
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Employee Assistance Program
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Discounted insurance plans for auto, home and pet
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Internal progression opportunities
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Learn more (https://jobs.fcx.com/content/Our-Benefits-FM/?locale=en\_US) 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 [email protected].
How this job compares
Set against the 485 open Environmental Scientist jobs on Olive Jobs, counted October 27, 2026.
- Pay
- This posting$98–138K/yr
- US median$80–110K/yr236 salary ranges
This range's midpoint, $118K, is 26% above the US median midpoint ($93K) — in the middle half of Environmental Scientist salary ranges across the US.
- Openings
- Olive Jobs lists 10 open Environmental Scientist jobs in Arizona and 485 across the US. 4% of them nationwide are listed as remote or flexible.
- Experience
- This posting asks for at least 3 years of experience; Environmental Scientist postings that state a minimum ask for 5 years at the median (345 postings).
- Education
- 318 of the 485 open Environmental Scientist jobs (66%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on October 27, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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