Assistant Operator - Exploration
Martin Marietta Materials

Job Info

Position Summary

We are currently seeking a dependable candidate who is looking for a career with a great company. Must be able and willing to live in the DFW area, have a good driving record and be prepared to work out of town for 5-10 days at a time. The ideal candidate should be eager to learn and complete the tasks needed for the job as well as embrace our safety culture. No experience necessary but should be mechanically inclined.

Assistant Operator Diamond Core that will be responsible for safely assisting the Core Driller during all drilling operations. This position is based at our Dallas, TX facility.


  • Champion the Martin Marietta safety culture
  • Assist the driller as he instructs during the work day
  • Maintain a clean and safe workplace
  • Assist in the maintenance and repair of equipment as required
  • Assist in loading and unloading of equipment from support vehicles
  • Clean maintenance of all shop areas, vehicles, and other work areas
  • Clean maintenance of all tools and equipment
  • Other duties as assigned
Minimum Education and Experience
  • High school diploma, GED, or equivalent
  • Prior core drilling experience preferred
  • Strong mechanical skills required; previous diesel and gasoline engine mechanical skills and ability to perform repairs and maintenance duties in field or shop as directed by supervisors
Knowledge, Skills and Abilities
  • Clean driving record, willing and able to acquire Class A CDL
  • Pass a drug screen, background check, DOT physical, and back X-ray
  • Must be in good physical condition; ability to work outside in all weather conditions, able to carry heavy loads (50-75 lbs.) repeatedly during 8-10 hour work days without assistance
  • Ability to travel most weeks to sites throughout US, with occasional International travel possible. Travel is typically Monday - Friday with weekends home. Travel time is paid at normal rate, reasonable travel expenses are provided.
  • Reliable with good attendance history
  • Ability to effectively communicate and work with others with positive attitude
  • Must have dependable transportation
  • Must possess a positive attitude and the ability to interact professionally with other employees and customers
  • Ability to skillfully operate vehicles with manual transmission
Our Benefits
  • Competitive Pay
  • Medical, Dental and Vision Coverage
  • Prescription Drug Coverage
  • Flexible Spending Accounts
  • Paid Holidays and Vacation
  • 401(k) with Company Match
  • Pension Plan
  • Educational/Tuition Assistance Plan
  • Employee Discount Program
  • Adoption Assistance Program
  • Life, AD&D and Disability Insurance
  • Employee Assistance Program
  • Wellness Programs...and many more!

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