Senior Plant Maintenance Mechanic

About the Role

The Senior Plant Maintenance Technician is a key technical leader responsible for ensuring the reliability, safety, and efficiency of plant equipment and systems. This includes stationary and mechanical systems such as conveyors, shakers, pumps, and gearboxes, as well as general facility maintenance involving electrical, plumbing, and basic structural systems. The role involves advanced troubleshooting, repair expertise, and mentoring junior technicians. It drives preventive maintenance programs, develops SOPs, and champions MSHA-compliant practices to maximize equipment uptime and plant safety, quality, and production. The Senior Plant Maintenance Technician optimizes production performance and supports continuous improvement initiatives.

Responsibilities

• Performs evaluations of plant equipment seeking opportunities to improve availability, capability, and yield.
• Studies trends to identify systemic plant maintenance needs.
• Actively participates in broad-scale plant maintenance initiatives.
• Works with vendors to procure plant maintenance support.
• Develops reports on plant capacity and yield and related plant maintenance activities.
• Maintains appropriate plant maintenance records of information and data in respective technological systems.
• Conducts MSHA pre-shift safety inspections of equipment and work areas.
• Prioritizes SAFETY first, followed by QUALITY and PRODUCTION.
• Maximizes performance of stationary equipment by performing timely repairs and completing preventive maintenance according to the Maintenance Module.
• Checks, repairs, and replaces pumps, conveyors, gearboxes, and screens to minimize downtime.
• Operates cranes, man-lifts, welding and cutting tools, and other specialty equipment as needed.
• Performs fabrication, erection, and repair of processing and mobile equipment.
• Ensures maintenance backlog is reviewed and prioritized with the Supervisor and/or Plant Manager.
• Completes all required paperwork to maintain equipment in compliance with Martin Marietta standards.
• Trains and coaches other employees on maintenance best practices.
• May be expected to take on additional tasks and assignments as required, including duties outside the typical scope of the role to support overall team operations and organizational needs.

Requirements

• High school diploma, GED, or equivalent experience.
• 3+ years of related experience in Heavy-Duty Maintenance or a related field, preferably in the Aggregates Industry.

Skills

• Equipment analysis and general repair concepts.
• Troubleshooting.
• Critical thinking.
• Problem solving.
• Detail oriented.
• Time management.
• MSHA compliance and regulation.
• Effective communicator (written and spoken).

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.
• 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.
• Must have good depth perception with or without seeing aid for distances up to 150 feet.

Working Conditions

• All duties require outside assignments and 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.

Pay

The hiring range for this position is $40–$50 per hour, exclusive of benefits or bonuses. The offered base compensation will be determined based on factors such as geographic location, business need, market conditions, proficiencies, skills, education, and experience. Additionally, internal pay equity will be considered for similarly situated roles and direct team members.

Benefits

• 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.
• Paid time off and holidays.
• Education/tuition assistance.
• Employee discount program.
• Adoption assistance.
• Wellness programs.
• Employee Assistance Plan.
• Salary Continuation – Short-Term Disability.
• Long-Term Disability options.
• Employee, Spouse, and 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.

Part-time employees are eligible to participate in the 401(k) plan and receive a company match. They are also eligible to start accruing service for the pension plan.