Description

• Drive operational best practices and sustain a high-performance team culture.
• Coordinate material flow—from rail unloading through stockpiling to plant loading. 
• Uphold and improve site infrastructure: ensure roads, berms, conveyors, surge piles, crushers, loading areas, and work zones meet safety and efficiency standards.
• Conduct thorough pre-/post-shift inspections and oversee PM schedules.
• Handle basic repairs; coordinate advanced maintenance and track equipment health.
• Use SOPs to diagnose, troubleshoot, and adjust equipment mechanics and systems to maximize production and minimize downtime. 
• Promptly identify and report equipment issues—ranging from minor malfunctions to significant mechanical failures—for immediate resolution.
• Serve as a safety champion: enforce PPE compliance, adhere to MSHA regulations, participate in Guardian Angel safety programs, and lead incident investigations.
• Mentor and train new or less experienced operators on safe equipment operation, site protocols, and maintenance best practices.
• Facilitate onsite training workshops, sharing insights on advanced troubleshooting, preventive maintenance techniques, and regulatory compliance.
• Provide operational relief across rail unloading, maintenance, quality control, scale house, and housekeeping.
• Support site supervisors by coordinating equipment positioning, sequencing, and logistical support to optimize production flows.
• Collaborate with site leadership, maintenance teams, and engineering departments to align equipment readiness with project milestones.
• Provide recommendations to improve equipment deployment, training curricula, and maintenance procedures.

• High school diploma or GED; Technical training (e.g., vocational certification) strongly preferred

• 4+ years of heavy equipment operations experience in quarry, mining, or aggregates

• Mechanical aptitude
• Computer literacy
• Troubleshooting
• Critical thinking
• Safety focused (MSHA)
• Regulatory compliance
• Effective communication
• Time management

• Must be able to lift and carry up to 50–75 lbs (depending on the specific site) to handle parts, tools, and maintenance equipment.
• Ability to sit and operate heavy machinery for long shifts
• You must be able to frequently bend, stoop, kneel, and reach to inspect or service equipment.
• Must be comfortable climbing ladders and stairs (sometimes up to 100 feet) to access plant structures or equipment cabs using the "3 points of contact" rule.
• Ability to walk across steep, rough, or uneven terrain common in quarries and pits.
• Good hand-eye-foot coordination is essential for operating controls. You must also have the visual acuity to perceive depth at a distance and the hearing to monitor equipment sounds and radio communications.
• You must be able to work irregular shifts, including nights, weekends, and overtime.

• All duties require outside assignments and require periods of work in all weather conditions, cold, wet, dry and dusty. Must be able to work in areas where noise levels are up to 85 dbs.  

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.