Plant Manager
Martin Marietta, Florence, CO, United States
JOB SUMMARY
The Plant Manager is a foundational leadership role responsible for the day-to-day management of a specific aggregate production facility (quarry or sand and gravel operation). This individual provides strategic and tactical oversight to ensure that safety, production, quality, and environmental goals are met or exceeded.
The Plant Manager is the primary driver of the "Guardian Angel" and Wingman safety culture on-site. Your focus is on optimizing plant efficiency, maintaining cost control through effective budgeting, and ensuring the final product meets both customer specifications and Martin Marietta’s rigorous quality standards.
KEY DUTIES AND RESPONSIBILITIES
Champion the "Guardian Angel" culture by ensuring all employees, contractors, and visitors adhere to MSHA and company safety regulations. Conduct regular safety meetings
Maintain 100% compliance with all local, state, and federal environmental regulations (air quality, water discharge, and reclamation permits).
Lead routine site inspections to identify and mitigate hazards, ensuring all mobile and stationary equipment are in safe working condition.
Oversee the entire production process, including stripping, drilling, blasting, hauling, crushing, screening, and stockpiling.
Monitor key performance indicators (KPIs) such as tons per hour (TPH), downtime, and yield to identify bottlenecks and implement process improvements.
Manage raw material and finished goods inventories to ensure adequate supply for sales forecasts and customer demand.
Develop and oversee a robust PM program for the plant and mobile equipment to minimize unplanned downtime and extend asset life.
Plan and execute scheduled maintenance shutdowns, coordinating with internal maintenance teams and external vendors.
Work closely with the Quality Control department to ensure all aggregate products meet ASTM, DOT, and customer-specific technical requirements.
Monitor lab results and adjust plant settings in real-time to maintain product gradation.
Manage the plant’s operating budget, tracking expenses against the annual profit plan and explaining variances.
Review and approve purchases, manage labor costs, and identify opportunities for cost reduction without compromising safety or quality.
Complete accurate daily production, safety, and maintenance reports using company software.
Train and mentor hourly staff. Conduct performance evaluations and provide continuous feedback to foster professional growth.
Maintain a positive work environment and handle employee relations issues in accordance with company policy.
QUALIFICATIONS
Education
High school diploma, GED, or relevant experience
Work Experience
5+ years of experience in the Aggregates or Heavy Construction materials industry, with at least 2 years in a supervisory capacity, preferred.
Knowledge, Skills, and Abilities
MSHA compliance and regulations
Knowledgeable of aggregate processing equipment and pit design
Knowledgeable of welding, repairs, and maintenance of mobile processing equipment
Critical thinking
Technical aptitude
Business acumen
Effective communication (written and spoken)
Conflict resolution
Time management
Results driven
Process management
Detail oriented
Delegation
Quality control methods
ADDITIONAL DETAILS
Physical Requirements
Must be able to lift and carry up to 50lbs 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 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 dB.
COMPENSATION
The hiring range for this position is $95,000 - $128,000 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. In addition, this role is eligible for our annual bonus program. Bonuses awarded under this program are determined based on the performance of the organization and the employee.
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The Plant Manager is a foundational leadership role responsible for the day-to-day management of a specific aggregate production facility (quarry or sand and gravel operation). This individual provides strategic and tactical oversight to ensure that safety, production, quality, and environmental goals are met or exceeded.
The Plant Manager is the primary driver of the "Guardian Angel" and Wingman safety culture on-site. Your focus is on optimizing plant efficiency, maintaining cost control through effective budgeting, and ensuring the final product meets both customer specifications and Martin Marietta’s rigorous quality standards.
KEY DUTIES AND RESPONSIBILITIES
Champion the "Guardian Angel" culture by ensuring all employees, contractors, and visitors adhere to MSHA and company safety regulations. Conduct regular safety meetings
Maintain 100% compliance with all local, state, and federal environmental regulations (air quality, water discharge, and reclamation permits).
Lead routine site inspections to identify and mitigate hazards, ensuring all mobile and stationary equipment are in safe working condition.
Oversee the entire production process, including stripping, drilling, blasting, hauling, crushing, screening, and stockpiling.
Monitor key performance indicators (KPIs) such as tons per hour (TPH), downtime, and yield to identify bottlenecks and implement process improvements.
Manage raw material and finished goods inventories to ensure adequate supply for sales forecasts and customer demand.
Develop and oversee a robust PM program for the plant and mobile equipment to minimize unplanned downtime and extend asset life.
Plan and execute scheduled maintenance shutdowns, coordinating with internal maintenance teams and external vendors.
Work closely with the Quality Control department to ensure all aggregate products meet ASTM, DOT, and customer-specific technical requirements.
Monitor lab results and adjust plant settings in real-time to maintain product gradation.
Manage the plant’s operating budget, tracking expenses against the annual profit plan and explaining variances.
Review and approve purchases, manage labor costs, and identify opportunities for cost reduction without compromising safety or quality.
Complete accurate daily production, safety, and maintenance reports using company software.
Train and mentor hourly staff. Conduct performance evaluations and provide continuous feedback to foster professional growth.
Maintain a positive work environment and handle employee relations issues in accordance with company policy.
QUALIFICATIONS
Education
High school diploma, GED, or relevant experience
Work Experience
5+ years of experience in the Aggregates or Heavy Construction materials industry, with at least 2 years in a supervisory capacity, preferred.
Knowledge, Skills, and Abilities
MSHA compliance and regulations
Knowledgeable of aggregate processing equipment and pit design
Knowledgeable of welding, repairs, and maintenance of mobile processing equipment
Critical thinking
Technical aptitude
Business acumen
Effective communication (written and spoken)
Conflict resolution
Time management
Results driven
Process management
Detail oriented
Delegation
Quality control methods
ADDITIONAL DETAILS
Physical Requirements
Must be able to lift and carry up to 50lbs 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 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 dB.
COMPENSATION
The hiring range for this position is $95,000 - $128,000 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. In addition, this role is eligible for our annual bonus program. Bonuses awarded under this program are determined based on the performance of the organization and the employee.
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