Mobile Equipment Mechanic

Martin Marietta; Santa Margarita (CA); On-site; USD 55,000 - 76,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

401(k) with company match

Paid time off

Job summary

Martin Marietta seeks a Mobile Mechanic to ensure the safe and reliable operation of diesel-powered mobile equipment across sites. You will diagnose, repair, maintain, and overhaul heavy trucks, loaders, haulers, and other equipment, often performing field-based repairs.

The role requires 2+ years of mobile equipment maintenance experience and vocational/technical training, with MSHA compliance important. Expect a safety-focused environment and opportunities for on-site field work.

Qualifications

• Welding and metalworking skills required.
• Read and interpret manuals, schematics, and diagrams.
• Troubleshoot mechanical, hydraulic, and electrical systems.

Responsibilities

• Diagnose and troubleshoot mechanical, hydraulic, and electrical system failures on diesel-powered heavy equipment.
• Perform scheduled preventative maintenance including oil and filter services, lubrication, and brake/driveline inspections.
• Weld and fabricate as needed and adhere to safety policies.
• Oversee major/minor maintenance of mobile equipment and coordinate with supervisor.
• Rebuild components and install replacement parts with minimal supervision.
• Read and interpret technical manuals and wiring diagrams for accurate repairs.
• Use hand/power tools and testing equipment to verify performance.
• Conduct pre-shift safety inspections per MSHA and company guidelines.
• Maintain parts inventories and order supplies to minimize downtime.
• Operate haul trucks and loaders to support repair activities.
• Mentor/train junior technicians as part of skills development.
• Collaborate with supervisors to prioritize work orders.
• Ensure repair documentation and inspection reports are completed accurately.

Skills

Welding

Metalworking

Mechanical analysis

Design tools

Mechanical controls

Troubleshooting

MSHA compliance

Problem solving

Detail oriented

Time management

Education

Vocational or Technical Training

Job description

Job Summary

As a Mobile Mechanic, you will ensure the safe, efficient, and reliable operation of Martin Marietta's diesel-powered mobile equipment across various sites. Your expert mechanical skills will support our production goals, while adhering to the company's strong safety and compliance standards. You will diagnose, repair, maintain, and overhaul heavy-duty trucks, loaders, haulers, and other heavy mobile equipment often performing field-based repairs.

Key Duties And Responsibilities

• Diagnose and troubleshoot mechanical, hydraulic, and electrical system failures on diesel-powered heavy equipment.
• Perform scheduled preventative maintenance, including oil and filter services, lubrication, and brake and driveline inspections.
• Perform welding and fabrication as and when needed and adhere to Martin Marietta safety policies, procedures, and guidelines.
• Oversee the major/mini mobile equipment maintenance and address the gaps to supervisor.
• Rebuild components, install replacement parts, and execute intermediate repairs with minimal supervision.
• Read and interpret technical manuals, schematics, and wiring diagrams to ensure accurate repairs.
• Use hand and power tools, pressure and electrical test equipment to verify equipment performance and diagnose faults.
• Conduct pre-shift safety inspections in accordance with MSHA and company guidelines to ensure operational readiness.
• Maintain and manage parts inventories; order supplies in a timely manner to minimize downtime.
• Operate haul trucks and loaders as needed to support repair and maintenance activities safely.
• Mentor and train junior technicians or less-experienced mechanics as part of skills development.
• Collaborate with shop supervisors to prioritize work orders and organize field maintenance tasks.
• Ensure all repair documentation and inspection reports are completed accurately and submitted on time.

Qualifications

Education

Vocational or Technical Training

Work Experience

2+ years of related Mobile Equipment Maintenance experience, preferred

CAT maintenance preferred

Knowledge, Skills, and Abilities

• Welding and metalworking skills
• Mechanical analysis
• Design tools
• Mechanical controls
• Troubleshooting
• MSHA compliance and regulations
• Problem solving
• Detail oriented
• 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.

Disclaimers

In addition to the primary responsibilities outlined, the successful candidate may be expected to take on other tasks and assignments as required, including but not limited to duties outside the typical scope of the role to support overall team operations and organizational needs. Flexibility and adaptability to evolving job demands are essential.

The hiring range for this position is $40.00 -$55.00 exclusive of benefits or bonuses (discretionary and non-discretionary). The offered base compensation will be determined based on factors such as geographic location, business need, market conditions, proficiencies, skills, education, and experience. Additionally, at Martin Marietta we place a high value on internal pay equity and will consider the compensation for those in similarly situated roles and direct team members. The hiring range for this role represents the base compensation we expect to pay for the position at time of hire and does not represent the total possible base pay of the position.

• including medical, dental and vision coverage
• prescription drug coverage
• health savings accounts
• flexible spending accounts
• life, AD&D and disability insurance
• 401(k) with a company match and an employer-funded defined benefit pension plan
• Other benefits include paid time off, paid holidays, education/tuition assistance, an employee discount program, adoption assistance, wellness programs and more

• Part time employees are eligible to participate in the 401k plan and receive a company match
• Part time employees are eligible to start accruing service for the pension plan