Ground Control Engineer

Are you passionate about safety, geology, and making a tangible impact underground? Martin Marietta is looking for a Ground Control Engineer to join our award‑winning team at the Ames Mine, one of the Midwest’s largest underground limestone operations. If you're passionate about geotechnical safety, mine design, and working deep beneath the surface to support critical infrastructure, this is your opportunity to make a difference.

Located in Story County, Iowa, the Ames Mine is a high-performing underground limestone operation using room‑and‑pillar mining methods. Operating 24/7, it supplies essential materials for construction, agriculture, and infrastructure across the region.

• Safety Excellence:
  Millions of hours without lost‑time injuries. Honored with the Diamond Elite Award and Sentinels of Safety.
• Environmental Stewardship:
  Focused on water reuse, slurry backfill, dust control, and land conservation.
• Team Culture:
  Join a collaborative team that values safety, innovation, and continuous improvement.

As a Ground Control Engineer, you’ll be a key player in maintaining the structural integrity of our underground mine. You’ll work hands‑on to ensure a safe working environment for our teams and help drive operational excellence.

• Scope and inspect ceiling holes, logging data using AutoCAD and Excel.
• Conduct ground control testing and develop remediation projects.
• Review and support scaling, bolting, drilling, and blasting operations.
• Assist in developing underground mine plans focused on safety and efficiency.
• Prepare technical reports, schedules, and cost estimates for ground control efforts.
• Analyze mine data to support engineering and operations decisions.
• Inspect mining areas for unsafe conditions and recommend improvements.
• Contributes to team success by performing other related tasks as assigned.
• Assist in other areas of mine development planning including ventilation and water management.

• Bore scoping and log scoping data into AutoCAD and Excel.
• Must be able to communicate effectively with all levels of management, corporate and contractors.
• This role requires a strong sense of ownership and intellectual curiosity, as well as the ability to work independently.
• Must be able to manage multiple processes in the mine related to ground control and ventilation.
• Work with AutoCAD software for mine design.
• Perform all other related duties as assigned.

• Bachelor’s degree in Mining and Geology or equivalent experience.
• AutoCAD and Excel experience.
• Knowledge of MSHA and Environmental regulations.
• A valid U.S. driver’s license.

This job operates frequently in a maintenance and operations environment in an underground and surface mine location. This role routinely uses standard office equipment such as computers, phones, photocopiers, filing cabinets and fax machines.

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Physical requirements include the ability to lift and carry up to 50 pounds from ground to waist, visual acuity, speech and hearing, hand and eye coordination, manual dexterity, repetitive motion, standing, sitting, walking, climbing stairs, bending and stooping, working from an elevated position and the ability to drive.

This is a full‑time position that regularly requires long hours and weekend work. Occasional travel will be required.

• Medical
• Prescription Drug
• Vision
• Dependent Care Reimbursement Account
• Wellness Programs
• Employee Assistance Plan
• Paid Holidays and Vacation
• 401(k) with Company matching
• Pension
• Salary Continuation – Short‑Term Disability
• Long‑Term Disability Options
• Employee Life Insurance
• Business Travel Accident Insurance
• Direct Deposit Payroll
• Educational/Tuition Assistance Plan
• Matching Gift Program
• New Auto Purchase Discount Plans

At Martin Marietta, we are proud to be an Equal Opportunity Employer. We are committed to providing an environment of mutual respect where equal employment opportunities are available to all qualified applicants and teammates. We celebrate diversity and commit that qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discrimin against on the basis of disability.