Maintenance Supervisor, Mobile Equipment

Martin Marietta; Gabbs (NV); On-site; USD 90,000 - 120,000; Full time

Job summary

Martin Marietta Gabbs mine is seeking a Maintenance Leader for the Lower Shop/Mobile Equipment function. You will provide front-line leadership, coach daily activities, and ensure safe, compliant maintenance execution in alignment with schedules and asset care strategies.

You will spend a large portion of time in the field, interact with employees, promote safety, and drive reliability and productivity improvements at the Gabbs site.

Qualifications

• Demonstrated safety program leadership and hazard recognition.
• Experience supervising Lower Shop/Mobile Equipment personnel.
• Ability to plan, risk-assess, and supervise maintenance per procedures.

Responsibilities

• Lead safety culture and promote safe work practices.
• Direct daily leadership and supervision of maintenance personnel.
• Ensure compliance with MSHA regulations and safety policies.
• Plan and execute production and maintenance per approved schedules.
• Collaborate with operations to prioritize work and equipment needs.
• Represent site on maintenance leadership team and drive continuous improvement.

Skills

Leadership

Safety management

Maintenance supervision

Asset care strategy

Hazard recognition

Job description

Responsible for the safe, compliant, and efficient operation of the Lower Shop/Mobile Equipment function at the Gabbs mine site. This leadership role is accountable for driving a strong safety culture, maintaining operational excellence, and providing front-line leadership to maintenance personnel. Safety is the highest priority for this position, requiring a demonstrated commitment to injury prevention, hazard recognition, risk management, and continuous improvement of safety performance. As a key member of the Site Maintenance Leadership Team, this role represents and supports team decisions, collaborates across departments, and promotes accountability, engagement, and teamwork throughout the organization.

POSITION SUMMARY: ESSENTIAL DUTIES AND RESPONSIBILITIES:

Serve as a visible and active champion of the Company's safety program, fostering a culture where safety is the first consideration in all activities. Lead by example in promoting safe work practices, hazard identification, risk mitigation, incident prevention, and continuous safety improvement. Provide direct daily leadership, coaching, and supervision to all Lower Shop/Mobile Equipment personnel. Ensure strict compliance with all applicable MSHA regulations, company safety policies, procedures, standards, and environmental requirements. Maintain accountability for safe execution of maintenance activities, ensuring work is planned, risk-assessed, and performed in accordance with approved procedures. Support and actively participate in the Company's Asset Care Strategy and reliability initiatives. Execute production and maintenance plans in alignment with approved schedules while prioritizing safe work execution. Inspect and evaluate work in progress, identify safety or performance concerns, and implement corrective actions as required. Partner closely with operations and maintenance teams to prioritize scheduled work, breakdown response, and critical equipment needs. Lead and contribute to short- and long-term strategic planning efforts focused on safety, reliability, productivity, and continuous improvement. Maintain a strong field presence through visible leadership, spending approximately 60–80% of working time interacting directly with employees in operational areas. Ensure employees are provided with a safe and healthy work environment through effective systems of work, safe operating procedures, training, coaching, and competent supervision. Conduct workplace inspections, safety observations, and safety discussions to reinforce expectations and identify opportunities for improvement. Promote employee engagement in safety programs, incident investigations, corrective actions, and continuous improvement initiatives. Perform other duties as assigned.