Plant Maintenance Technician

Martin Marietta Materials, Inc.; Irwindale (CA); On-site; USD 39,950 - 57,859; Full time

Benefits offered by this job

Medical

401(k) with match

Pension

Paid holidays

Job summary

Martin Marietta Materials, Inc. is seeking a Plant Maintenance Technician in Irwindale, California.

The role focuses on ensuring reliability, safety, and efficiency of plant equipment through preventive maintenance, troubleshooting, and continuous improvement initiatives. Responsibilities include servicing crushers, conveyors, pumps and motors, conducting pre-shift inspections, and adhering to MSHA safety standards.

Qualifications

• Must have knowledge of equipment analysis and general repair concepts.
• Strong troubleshooting skills and ability to diagnose mechanical, hydraulic, and electrical issues.
• MSHA compliance knowledge and safety awareness.
• Demonstrated problem solving and attention to detail.

Responsibilities

• Perform scheduled maintenance on crushers, conveyors, pumps, and motors.
• Inspect, diagnose, and repair mechanical, hydraulic, and electrical systems.
• Ensure preventative maintenance is completed in a timely manner to optimize uptime.
• Maintain accurate maintenance records and communicate needs to supervisors.

Skills

Equipment analysis

Troubleshooting

MSHA compliance

Problem solving

Detail oriented

Time management

Education

High School Diploma/GED

Job description

Maintenance, Irwindale, California

Salary: USD 29.00 - 42.00 Hourly

The Plant Maintenance Technician is responsible for ensuring the reliability, safety, and efficiency of plant equipment and systems. This role involves performing preventive maintenance, troubleshooting mechanical and electrical issues, and supporting continuous improvement initiatives; maintenance work including but not limited to stationary and mechanical systems such as conveyors, shakers, pumps, and gearboxes, as well as general facility maintenance involving electrical, plumbing, and basic structural systems. As Plant Maintenance, you may perform various roles, including fabrication, welding, cutting and/or grinding, greasing, housekeeping, and other shop or processing duties. The Technician plays a critical role in minimizing downtime and maintaining optimal production performance.

KEY DUTIES AND RESPONSIBILITIES

• Performs scheduled maintenance on crushers, conveyors, screens, pumps, motors, and other plant equipment.
• Inspect, diagnose, and repair mechanical, hydraulic, and electrical systems to prevent breakdowns.
• Maximizes performance of stationary equipment by performing repairs and ensuring preventative maintenance is completed on a timely basis.
• Responsible for ensuring the backlog process is completed and prioritized with the Supervisor and/or Plant Manager
• Responds promptly to equipment failures and production interruptions.
• Assists with cutting, welding, and fabrication tasks for plant components and structural repairs.
• Performs fabrication, erection, and repair of processing and mobile equipment.
• Completes required paperwork to maintain equipment and to run the plant according to Martin Marietta standards
• Adheres to MSHA safety standards and company policies.
• Conducts pre‑shift inspections and ensure proper lockout/tagout procedures during maintenance activities.
• Prioritizes SAFETY, then QUALITY, followed by Production
• Ensures preventative maintenance services and lubrication services are completed according to the Maintenance Module.
• Operates cranes, man-lifts, welding and cutting tools, and other specialty equipment as needed.
• Trains and coaches other employees on maintenance practices.
• Maintains accurate records of maintenance activities, parts usage, and equipment condition.
• Communicates effectively with supervisors and operations teams regarding equipment status and repair needs.

QUALIFICATIONS

Education

High School Diploma, GED, or equivalent experience

Work Experience

1+ years of experience related to Heavy‑Duty Maintenance jobs or equivalent combination of training and experience, preferably in the Aggregates Industry

Knowledge, Skills, and Abilities

• Equipment analysis and general repair concepts
• 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.

Compensation

The hiring range for this position is $29.00 -$42.00 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.

Benefits

• 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

Equal Opportunity Statement

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.