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Plant Maintenance Mechanic

Martin Marietta Magnesia Specialties, LLC

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Sanger, CA
LOCATION

Job Description

As posted by the hiring company

Job Overview:

Plant Maintenance
JOB SUMMARY
The Plant Maintenance Specialist is responsible for inspecting, maintaining, troubleshooting, repairing, and installing a wide range of aggregate plant equipment to ensure safe and efficient operations. 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 performs preventive maintenance, equipment diagnostics, and fabrication or welding work as needed to minimize downtime and improve reliability. The Specialist actively supports safety initiatives, maintains detailed maintenance records, and partners with supervisors and vendors to ensure all repairs and upgrades meet company and regulatory standards.
Key Duties and 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 information and data in respective technology 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.
  • 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.
QUALIFICATIONS
Education
High School Diploma, GED, or equivalent experience acceptable; technical training or coursework in maintenance or mechanical systems preferred
Work Experience
2+ years related experience in heavy-duty maintenance or related field, preferably in the aggregates industry.
Knowledge, Skills and Abilities
Critical thinking
Problem-solving
Engineering standards
Safety focus (MSHA/OSHA)
Regulatory compliance
Project Management
Continuous improvement
Effective oral and written communication

The base range for this position is $30.00-$40.00 exclusive of benefits or bonuses (discretionary and non-discretionary). The offered base hourly 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 posted range for this role represents the total reasonable pay range and does not solely represent a hiring range. Therefore, hiring at the top or maximum of the range should not be expected as it would not allow for salary growth opportunities in the role, would diminish promotion value, and may not align with internal equity. In addition to our base compensation, we also offer a competitive benefits package for full time employees (more information on benefits listed below).
At Martin Marietta, we offer a variety of benefits, depending on union classification which could include 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. In addition, they are eligible to start accruing service for the pension plan.