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Job Field:
Engineering and Mineral Processing Jobs, Geosciences Jobs
Engineering Geologist Jobs, Geologist Jobs, Mapping Jobs, Mine Geologist Jobs, Resource Geologist Jobs
United States of America
Contract Type:
Full Time / Permanent
Salary Description:
on application
Job Ref:

Under moderate supervision, plan, organize and manage projects that provide and verify resource estimates of deposits. Supervise and develop staff in resource estimation procedures to ensure consistent, accurate and acceptable estimations of Company resources. Provide technical analysis and feedback to operating units to enhance the efficient and optimal mining of resources.
  • Perform geological evaluation and resource modeling estimation studies for the mining, exploration and technical services groups
  • Evaluate and analyze Model-Mine-Mill processes and reconciliation to provide remediation to operators prior to negative impacts
  • Assist with preparation of 10K Ore Reserve statements
  • Supervise, train and develop junior staff (Geologist I and II) in the procedures to ensure consistent and accurate geological models and resource estimates and reporting
  • Provide the Chief Geologist with information on a regular basis of the department's progress, problems and proposed solutions
  • Document and report all stages of model development and resource estimation. This supporting documentation must be available for later auditing and procedure verification
  • Develop and maintain practical procedural manuals for geologic resource estimation so that procedures can be clearly understood by both technical people and clients
  • Perform other duties as required

Minimum Qualifications

  • Bachelor's degree in Geology or related Mining Engineering discipline and five (5) years of experience in resource estimation, OR
  • Master's degree in Geology and three (3) years of experience in resource estimation
  • Ability to meet qualification as a "Competent Person" under JORC rules for the reporting of Mineral Resources
  • Knowledge of the principles and practices of geology and mining
  • Knowledge of the geology of porphyry and skarn hosted copper and gold systems
  • Understanding of US SEC and CRIRSCO-based international reporting standards
  • Fluent in English (written and verbal)
  • Skill in the practical application of resource estimation and geostatistics, working in multiple commodities
  • Good problem solving and judgment skills
  • Super-user in the operation of at least one of the major 3D Modeling software packages
  • Must be willing and able to learn to use Vulcan modeling software exclusively
  • Skill in mineral resource modeling and 3-dimensional geologic problem solving
  • Demonstrated ability in the production of technical reports.
  • Ability to work to a deadline
  • Ability to teach, and develop staff in technical skills.
  • Ability to communicate highly technical procedures and results to others both inside and outside the immediate group 



  • Master's degree in Geology or Mining Engineering
  • Six (6) to eight (8) years of overall experience in geology, exploration or mining
  • Extensive UG mine geology experience, especially structural and geological mapping
  • Drill core logging interpretation and re-logging from core photos
  • Working experience with ethnically and culturally diverse staff
  • Ability to travel internationally up to 25% of the time
  • Ability to understand and apply verbal and written work and safety-related instructions and procedures given in English
  • Ability to communicate in English with respect to job assignments, job procedures, and applicable safety standards
  • Must be able to work in a potentially stressful environment
  • Generally office based sedentary work
  • Occasionally will be required to make visits to active mine and exploration sites, which may include exposure to extremes in temperature and humidity, moving mechanical parts, risk of electrical shock, toxic chemicals, explosives, fumes or airborne particles, and may require the employee to demonstrate manual dexterity, climb stairs and ladders, work on elevated platforms, talk, hear and see
  • 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 as per applicable State Laws
Freeport-McMoRan has reviewed the jobs at its various office and operating sites and determined that many of these jobs require employees to perform essential job functions that pose a direct threat to the safety or health of the employees performing these tasks or others.  Accordingly, the Company has designated the following positions as safety-sensitive:
  • 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); or
  • Positions which Freeport-McMoRan has designated as safety sensitive positions in the applicable job or position description and which upon further review continue to be designated as safety-sensitive based on an individualized assessment of the actual duties performed by a specifically identified employee.

Equal Opportunity Employer/Protected Veteran/Disability


Nearest Major City



Senior Geologist - Resource Estimation - Phoenix, AZ

Primary Location

United StatesArizonaPhoenix Corporate Office

Requisition ID


Closing Date:

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