Aggregate Mine Plant Maintenance Supervisor

Martin Marietta•Weeping Water, NE

2d•Onsite

About The Position

The Plant Maintenance Supervisor is responsible for training, scheduling and the overall leadership of hourly maintenance employees. Key objectives include adherence to safety standards and production expectations. The Weeping Water Mine is an underground limestone operation located near Weeping Water in Cass County, Nebraska. It is one of the largest and most productive limestone mines in the region, specializing in crushed and broken limestone for construction and industrial applications. The mine utilizes a room-and-pillar method for extraction and includes both underground and surface processing facilities. Situated in Nebraska’s limestone-rich corridor, Weeping Water Mine plays a vital role in supporting infrastructure development across the Midwest. Its operations contribute significantly to the local economy, providing jobs and essential raw materials for roads, buildings, and other foundational projects.

Requirements

High school diploma/GED or equivalent experience
4+ years of related experience
Valid driver’s license
General Maintenance
Ethical Conduct
Teamwork
Leadership
Decision Making
Drive for Results
Attention to Detail
Analytical

Responsibilities

Responsible for supervising maintenance activities, which include underground and surface mine maintenance, plant operations and servicing all equipment.
Work with management on preventive maintenance needs for the plant and mobile equipment
Lead and develop the hourly maintenance workforce.
Ensure compliance with Company, Local, State and Federal rules and regulations.
Leads operations to established production, safety, and environmental objectives and metrics.
Ability to complete and or ensure competent tasks in general maintenance, welding and electrical is completed to meet safety and production expectations.
Responsible for the planning and scheduling of maintenance activities to meet safety and production expectations. Create work orders before work begins and close them out within 24 hours of completion
Performs incidental and related duties as required and assigned.
Maintain accurate documentation using Microsoft Office products, JDE and other software as needed
Other duties as assigned