Description

JOB SUMMARY

The Senior Mechanic for the Asphalt and Paving Shop is an advanced journey-level position responsible for the expert maintenance, troubleshooting, and repair of a specialized fleet of asphalt paving equipment and heavy-duty diesel trucks. Beyond technical execution, the Senior Mechanic serves as a technical lead, providing mentorship to junior mechanics and ensuring that the paving crew's high-stakes equipment—including pavers, rollers, and milling machines—operates at peak efficiency to minimize downtime during critical paving windows. This role requires a safety-first mindset and the ability to perform complex repairs in both shop and field environments.

KEY DUTIES AND RESPONSIBILITIES

• Utilize advanced electronic diagnostic software and precision testing equipment to identify malfunctions in engines, transmissions, and hydraulic systems.
• Diagnose and repair high-pressure hydraulic systems, including pumps, control valves, cylinders, and motors specifically found on asphalt pavers and screed systems.
• Troubleshoot and rewire complex electrical systems, including sensors, computerized engine controls, and lighting for night-time paving operations.
• Perform complete teardowns and rebuilds of diesel engines, transmissions, and final drive units.
• Maintain a diverse fleet including CAT/Volvo pavers, rollers (pneumatic and steel drum), asphalt distributors, skid steers, and milling machines.
• Perform precision adjustments and repairs to paver screeds, conveyor systems, and augers to ensure consistent material flow and mat quality.
• Oversee and execute the PM schedule, ensuring all lubrication, oil analysis, and safety inspections are completed.
• Function as a lead worker, providing training and technical guidance to Maintenance Mechanics and Welders.
• Utilize computerized maintenance management systems (CMMS) to document work orders, track parts usage, and manage equipment history.
• Research and order critical components, maintaining a lean inventory of 'high fail' parts to ensure rapid turnaround on repairs.
• Perform emergency roadside or job-site repairs under tight deadlines.
• Conduct pre-shift safety inspections and ensure all repairs meet company and federal safety standards.
• Utilize oxy/acetylene torches and stick/MIG welding equipment to fabricate parts or perform structural repairs on trailers and plant equipment.
• Lead by example in the 'Guardian Angel' safety culture, identifying and mitigating hazards before they lead to incidents.
• Able to work from elevated platforms and confined spaces.
• Able to work outdoors in varied weather conditions or in a shop environment.
• Able to work overtime and weekends as needed.
• Actively participate in the hazard recognition program by documenting near-misses and implementing safety improvements.

QUALIFICATIONS

Education

High school diploma, GED, or relevant experience; Trade School certification or Associate's Degree in Diesel Technology preferred.

CDL Class A, preferred

Must Supply own working set of mechanic tools (check with local shop for specific details)

Work Experience

3+ years of Heavy Equipment/Diesel Maintenance experience, with at least 2 years specifically focused on asphalt/paving equipment.

Knowledge, Skills, and Abilities

Mechanical analysis

Design tools

Mechanical controls

Mechanical diagrams and blueprints

Mechanical test equipment design

Mechanical theory

Heavy equipment operations (engines, electrical, hydraulic, mechanical pneumatic)

OSHA compliance and regulations

Troubleshooting

Problem solving

Detail oriented

Effective communicator (written and spoken)

Leadership

Time management

ADDITIONAL DETAILS

Physical Requirements

Must be able to lift and carry up to 50 lbs. for plant maintenance and equipment servicing.

Required to bend, stoop, climb, and reach. You must be able to maintain three points of contact when climbing on/off machinery or on ladders.

Strong hand-eye-foot coordination is essential for operating hand/foot controls. You must have good depth perception with or without seeing aid for distances up to 150 feet.

Working Conditions

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.

Must supply own working set of mechanical tools (check with local shop for specific details).

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.