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Title:  Senior Structural Geologist

Requisition ID:  126802

Phoenix, AZ, US, 85004-2121

Category:  Scientific Services
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Freeport-McMoRan is a leading international mining company with headquarters in Phoenix, Arizona. We operate large, long-lived, geographically diverse assets with significant proven and probable reserves of copper, gold, and molybdenum. The company has a dynamic portfolio of operating, expansion and growth projects in the copper industry. Freeport-McMoRan is one of the world’s largest publicly traded copper producers, the world’s largest producer of molybdenum and a significant gold producer. We have a long and successful history of conducting our business in a safe, highly efficient and socially-responsible manner.

We have the assets, the talent, the drive and the financial strength to provide attractive and rewarding careers of our employees. We encourage you to take the time to explore the opportunity to advance your career at Freeport-McMoRan.


Under general supervision, keep utilizing drill core (DDH), fact map and other associated models to review the structural geology model of PTFI mines prior to release to clients. The position will work closely with the mapping team for data verification and quality improvement

  • Review the existing structural models based on DDH, mapping data and other related geological shapes for improvement 
  • Assist onsite team to integrate and interpret all geological data (e.g., rock type, alteration, structure), assay, and mineralogical data into level plans and cross sections. 
  • Model the mineralogical and elemental data resulted by XRD and ICP to support the existing models. 
  • Assist core logging geologists to improve observations in accordance to clients’ needs.
  • Assist Chief geologists at site in generating the district’s exploration plan including compilation and modeling.
  • Work with Metallurgists in interpreting the comminution and flotation test results with regard to the existing geological domains.
  • Assist UG team to improve the mapping and quality of observation
  • Assist in generating the annual budget and other works related to Exploration (ENJ) program.
  • Update the highlighted geologic models to clients either at corporate office or site 
  • Perform other duties as requested.


Minimum Requirements:

This position requires international air travel. In accordance with Freeport-McMoRan’s requirement for all employees whose job requires international travel, if you are hired you will be required to submit proof that you are fully vaccinated against COVID-19 in order to travel by air internationally, unless the company has granted a medical or religious accommodation.

  • Bachelor's degree in Geology or related scientific discipline and five (5) years experience in geology or related scientific field, OR
  • Master's degree in Geology and three (3) years experience in geology or related scientific field.
  • Ability to travel domestically and internationally up to 50% of the time
  • Ability to correctly identify and accurately estimate relative proportions and textural characteristics of metal-bearing and gangue minerals in a production setting. 
  • Creative problem-solving skills.  
  • Knowledge of the principles and methods used in complex geological analyses. 
  • Skill in effective communication, both verbal and written. 
  • Ability to research and analyze information of considerable difficulty and draw valid conclusions.  
  • Ability to develop and maintain awareness of occupational hazards and safety precautions. 
  • Skilled in following safety practices and recognizing hazards


Preferred Qualifications:

  • Experienced working in remote area
  • Interpersonal skill in interacting with people of various cultures



  • Personal protective equipment is required when performing work in a mine, outdoor, manufacturing or plant environment, including hart hat, hearing protection, safety glasses, safety footwear, and as needed, respirator, rubber steel-toe boots, protective clothing, gloves and any other protective equipment as required.
  • Freeport-McMoRan promotes a drug/alcohol-free work environment through the use of mandatory pre-employment drug testing and on-going random drug testing as allowed by applicable state laws

At Freeport, we are committed to providing an employment package that recognizes excellence, rewards value and impact, and encourages safe production. Benefits and compensation are foundational elements of this package, along with career development opportunities, job progression and a culture supported by our core values, among others. Learn more at: FCX Jobs - Working Here



We provide an industry-leading benefits package with some of the lowest cost to employees – offering health, wellness, life insurance, paid time off, retirement savings and more. These benefits are available to you and your dependents starting day one. Our comprehensive benefits program is important to how we support the health and wellness of employees and their families. For further benefits information please click here: Benefits Details



The estimated annual pay range for this role is currently $94,000-$132,000. 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.  To view an example of a Total Rewards Estimate for this role click here:  Total Rewards Estimate


Safety / Work Conditions:

Candidates will be required to participate in a post-offer, pre-employment medical examination for the following positions which may have essential job duties that can impact both their own safety and the safety of others:

  • Site-based positions, or positions which require unescorted access to site-based operational areas, which are held by employees who are required to receive MSHA, OSHA, DOT, HAZWOPER and/or Hazard Recognition Training; or 
  • Positions which are held by employees who operate equipment, machinery or motor vehicles in furtherance of performing the essential functions of their job duties, including operating motor vehicles while on Company business or travel (for this purpose “motor vehicles” includes Company owned or leased motor vehicles and personal motor vehicles used by employees in furtherance of Company business or while on Company travel).


Equal Opportunity Employer

Job Segment: Geology, Materials Science, Metallurgy, Engineering, Science

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