Core Driller
Key Skills for This Role
Full Job Posting
Responsibilities
- Promote and uphold Martin Marietta's commitment to safety, environmental stewardship, and operational excellence.
- Safely transport, mobilize, operate, and demobilize diamond core drilling equipment, support vehicles, tooling, and auxiliary equipment.
- Plan and execute drilling programs to meet production, recovery, and quality objectives.
- Operate wireline core drilling systems and related equipment in accordance with company procedures and industry best practices.
- Supervise and direct Assistant Drillers during all phases of drilling operations.
- Train, mentor, and evaluate Assistant Drillers to support skill development and career progression.
- Collect, document, and safeguard geological core samples and associated field data.
- Maintain accurate drill logs, maintenance records, inspection reports, safety documentation, and daily operational reports.
- Diagnose, troubleshoot, and perform preventative maintenance and repairs on drilling rigs, pumps, hydraulic systems, diesel engines, and support equipment.
- Manage inventory of drilling consumables, tools, spare parts, and support materials.
- Load, unload, secure, and transport equipment in accordance with DOT requirements and company policies.
- Maintain clean, organized, and safe work environments at drilling sites, shop facilities, and staging locations.
- Conduct pre-job inspections, hazard assessments, and safety meetings to ensure regulatory and company compliance.
- Coordinate with geologists, project managers, mine managers, and other stakeholders to achieve project objectives.
Required
High school diploma, GED, or equivalent.
Valid unrestricted Class A Commercial Driver's License (CDL) with Tanker endorsement and a satisfactory driving record.
Ability to pass a pre-employment drug screening, background check, and DOT physical.
Strong mechanical aptitude and demonstrated ability to maintain and repair drilling equipment.
Ability to lead crews and work effectively in both independent and team environments.
Strong communication, organizational, and problem-solving skills.
Ability to work 10 to 12-hour shifts in physically demanding environments.
Ability to repeatedly lift and carry 50 to 75 pounds without assistance.
Ability and willingness to work outdoors in all weather conditions and at surface and underground mining operations.
Willingness to travel extensively throughout the United States and work multi-day field assignments.
Reliable attendance history and demonstrated commitment to safety and professionalism.
Preferred
Three or more years of experience operating wireline diamond core drilling equipment.
Experience operating Boart Longyear LF90 drilling rigs.
Current MSHA Surface and Underground Miner certification.
Experience working in mining, quarrying, mineral exploration, geotechnical, or environmental drilling industries.
Advanced knowledge of hydraulic, mechanical, and diesel-powered drilling systems.
A member of the S&P 500 Index, Martin Marietta is an American-based company and a leading supplier of heavy building materials – including aggregates, cement, ready-mixed concrete and asphalt. Through a network of operations spanning 28 states, Canada and the Bahamas, dedicated Martin Marietta teams supply the foundational resources upon which our communities thrive. Martin Marietta's Magnesia Specialties business produces high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications. At Martin Marietta, we strive to work with the best and the brightest – those who have the potential to become our company's future leaders. Each of our roughly 9,500 people shares a common purpose regardless of their professional role or work environment. Together, we utilize our diverse skills and experiences to drive our company and its extraordinary culture forward. Our aim is to build on our foundation of success and help values-driven and hardworking people realize their full potential. When you decide to invest your career in Martin Marietta, you'll know what it's like to be respected, challenged and rewarded.
In return, we offer a highly competitive benefits package, including
- Medical
- Prescription Drug
- Dental
- Vision
- Health Care Reimbursement Account
- 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
- Spouse & Dependent Life Insurance
- Business Travel Accident Insurance
- Direct Deposit Payroll
- Educational/Tuition Assistance Plan
- College Scholarship Program – for dependent children
- 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 discriminated against on the basis of disability.
About Martin Marietta
Leading supplier of heavy building materials and specialty minerals.
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