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Title:  Senior Estimator

Requisition ID:  60505

Phoenix, AZ, US, 85004-2121

Category:  Operations Support

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.


The primary role for this position is to coordinate with other PTFI divisions and contractors to develop and maintain cost estimates for the PTFI Underground Expansion Projects within the Hard Dollar Cost Models.


  • Coordinate with Cost Engineers at PTFI, NOLA and with various consultants to ensure that all estimates are prepared using the standardized templates and methodologies; this includes QA/QC
  • Work closely with Engineers/Designers to prepare cost estimates, as needed, using Hard Dollar
  • Assist with quarterly forecast/cost reconciliation/reporting
  • Travel to Indonesia to work closely with Cost Engineers, two (2) to three (3) times per year, to ensure that the standards are being followed and to train new personnel, as needed
  • Coordinate and update all cost related resources within the centralized cost warehouse in Phoenix; this includes QA/QC (Quality Assurance/Quality Control) of the data provided by others
  • Train Cost Engineers on how to utilize Hard Dollar to generate estimates following the standards that are currently in place
  • Perform other duties as assigned


Minimum Qualifications


  • Bachelor's degree in a Business related field and eight (8) years of Cost Estimation experience or equivalent work experience, OR
  • High School diploma or equivalent and twelve (12) years of Cost Estimation or equivalent work experience
  • Proficient user of Hard Dollar
  • Proficient user of MS Excel 
  • General experience with Primavera Scheduling software
  • Have the ability to travel to Indonesia two (2) to three (3) times per year
  • Possess excellent organizational skills
  • Possess good communication skills and the ability to train others



  • Twenty (20) years of construction and/or mining experience



  • 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
  • Position is in busy, non-smoking office located in downtown Phoenix, AZ
  • Location requires mobility in an office environment; each floor is accessible by elevator 
  • Occasionally work will be performed in a mine, outdoor 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 
  • Must be able to frequently sit, stand and walk
  • Must be able to frequently lift and carry up to ten (10) pounds
  • 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

Job Segment: Estimator, Electrical, QA, Quality Assurance, Testing, Finance, Engineering, Technology, Quality

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