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Senior Environmental Scientist or Senior Environmental Engineer or Senior Environmental Specialist

Freeport-McMoRan
Green Valley, United Statesfull_timeVerifiedPosted 20 Mar 2026
💰 $134,000/yr($95,500/yr$134,000/yr)

About the role

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   

Sierrita operations is located just 20 miles from Tucson – Arizona’s second-largest city. Its cutting-edge mine training facility, with state-of-the-art labs, classrooms and advanced simulators, equips our people with the skills, expertise and knowledge to excel. Whether you choose to live in Green Valley, Sahuarita or Tucson, you will enjoy spectacular sunsets and mild winters as well as numerous local attractions. Tucson is home to the Pima Air and Space Museum, University of Arizona and Sonora Desert Museum. Other notable community staples are several schools, hospitals, restaurants, parks, shopping centers and more. Visit sahuaritaaz.gov and tucsonaz.gov to learn more.

This position is not eligible for Freeport-McMoRan immigration work visa sponsorship.

  

What You Will Do

Under general supervision, provides technical expertise, guidance and leadership for Environmental projects and programs at assigned site.

  • Determines and assesses environmental risk and develops regulatory documentation of results
  • Performs hazardous waste site inspections and recommends appropriate action to management in compliance with regulations
  • Reviews and develops appropriate recommendations regarding planned expansion, modification or closure of facilities which affect environmental discharges, emissions, and hazardous materials
  • Serves as Project Manager or technical expert on large/complex environmental projects (e.g., compliance, remediation, or reclamation)
  • Evaluates and administers contracts with vendors for the provision of services and equipment
  • Provides guidance and counsel to the site management team on applicable programs, practices, and existing/proposed local, state, and federal regulations
  • Contributes to site strategic planning and budgeting efforts for environmental systems and issues
  • Maintains current working knowledge of Federal, State and local environmental and occupational health regulations (e.g., CERCLA, NEPA, SARA, RCRA, Clean Air and Water Acts)
  • Provides leadership to less experienced engineers and technicians
  • May represent the site on company-sponsored steering teams
  • Performs other duties as required

What You Bring To Freeport

Note: Education and/or Degree type along with the minimum qualifications below will determine the position for which you will be considered.

Senior Environmental Scientist

  • Bachelor's degree in Environmental Science, Environmental Technology, Earth Science or related Natural Science (such as Biology, Chemistry, Geology, Hydrology, Forestry, Agriculture, Meteorology, Environmental/Natural Resource Management), or Mathematics/Computer Science including Accounting and Finance, or Business Management, or other bachelor’s degree and five (5) years of related experience, OR
  • Master's degree in a related field and three (3) years of related experience

Senior Environmental Engineer

  • Bachelor's degree in Engineering (such as Environmental, Civil, Chemical, Agriculture, Mining, Metallurgical, Geological, or similar Engineering discipline) and five (5) years of Engineering experience in Environmental Management, including Project Management experience, OR
  • Master's degree in Engineering (such as Environmental, Civil, Chemical, Agricultural, Mining, Metallurgical, Geological, or similar Engineering discipline) and three (3) years of Engineering experience in Environmental Management, including Project Management experience
  • Master's degree in a related field and three (3) years of related experience

Senior Environmental Specialist

  • Associate's Degree in Environmental Science or closely related area (can substitute an additional 5 years of experience in mining or mineral processing operations for the degree requirement); and
  • Ten (10) years experience in environmental monitoring, sampling and reporting as an Environmental Technician , Specialist or in a closely related role

Applies to all positions above:

  • Additional certification or licensure appropriate to the job may be required or preferred (US examples

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Company

Freeport-McMoRan

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