Apply now »

Title:  Senior Geomechanical Engineer - Underground

Requisition ID:  129014

Phoenix, AZ, US, 85004-2121

Category:  Engineering Services
Share this Job
Why You Should Apply For This Job: 

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, oversee underground excavation stability management functions including underground excavation support design and stability monitoring and serve as resource for Geomechanical information and analysis.

  • Overall property underground excavation stability management functions. 
  • Develop and review ground support designs for underground excavations to ensure a safe working environment based on relevant geological and stress conditions using empirical (Q or RMR), kinematic (unWedge) and stress (RS3, phase 2) based analysis methods.
  • Manage and review underground excavation stability data collection, analysis and remedial work including underground excavation monitoring data processing, rock strength parameters, and geologic structures.
  • Communicate accurate, timely and relevant underground excavation stability and Geomechanical information to mine and site personnel, including site management, through appropriate methods such as reports and presentations. 
  • Manage, conduct and communicate the results of inspections of underground excavations.
  • Manage contracted ground remediation projects such as chemical grout injection or liner application.
  • Proactively seek improvements to the safe mining of mine reserves relating to underground excavation monitoring, underground excavation maintenance, underground excavation support designs, Geomechanical data acquisition and analyses.  
  • Develop, maintain and implement strategic plans to enhance the mine’s underground excavation stability program.
  • Manage and provide Geomechanical project oversight and review relating to outside consultants
  • Overall property slope management functions for existing slopes around surface facilities.
  • Usage of appropriate software (MS Office, AutoCAD) and Geotechnical data analysis, Mintec’s MineSight (or equivalent), RocScience software including unWedge, Phase2, RS3 and Dips.
  • Perform other duties as required.


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 Mine Engineering, Geological Engineering, Geotechnical Engineering, or Geology (if sufficient education, training or experience can be shown) and five (5) years engineering experience in hard rock mining relating to rock mechanics and rock underground excavation stability, OR
  • Master’s degree in Mine Engineering, Geological Engineering, Geotechnical Engineering, or  Geology (if sufficient education, training or experience can be shown) and three (3) years engineering experience in hard rock mining relating to rock mechanics and rock underground excavation stability.



  • Work is in a mine or manufacturing plant setting, which may include exposure to extremes in temperature and humidity, moving mechanical parts, risk of electrical shock, toxic chemicals, explosives, fumes or airborne particles.
  • While performing the duties of this job, the employee is regularly required to stand, sit, demonstrate manual dexterity, climb stairs and ladders, work on elevated platforms, talk, hear and see.
  • Occasionally may be required to lift moderately heavy objects (up to 30 pounds) during the course of the workday.
  • Personal protective equipment is required when performing work in a mine, outdoor, manufacturing or plant environment, including hard 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.

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).


Please be advised that 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


Equal Opportunity Employer

Job Segment: Geotechnical Engineering, Manufacturing Engineer, Testing, Geology, Engineer, Engineering, Technology

Apply now »