Production Supervisor III - Aggregates

Heidelberg Materials; DeWitt (IA); On-site; USD 85,000 - 113,000; Full time

Benefits offered by this job

401(k) plan

Annual incentive plan

Competitive benefits

Job summary

Heidelberg Materials North America is seeking a leader to run daily operations at the Jamesville Quarry and Aggregate operation. You will guide safe, efficient production, build teams, and align with business goals.

The role requires strong leadership in a high-production quarry environment, with a focus on throughput, material quality, and cost efficiency, while maintaining accurate reports and safety standards.

Qualifications

• Experience in aggregates, mining, or heavy industrial environments preferred.
• Knowledge of crushing, screening, and conveying systems.
• Ability to lead crews in high-production quarry environments.
• Ability to interpret production data, identify trends, and make real-time decisions.
• Strong safety standards understanding; MSHA experience preferred.

Responsibilities

• Lead and coordinate plant operations in a quarry environment to meet production targets.
• Monitor and optimize crushing, screening, and conveying equipment; coordinate with maintenance to minimize downtime.
• Drive continuous improvement for throughput, material quality, and cost efficiency.
• Maintain production, inventory, and shift reports; ensure MSHA compliance and company standards.
• Promote safety culture through inspections, training, and leadership by example.
• Guide plant personnel, fostering teamwork, accountability, and operational discipline.

Skills

Aggregates experience

Crushing & screening

Plant operations

Leadership

Safety compliance

Data interpretation

Troubleshooting

Cross-functional teamwork

Tools

MSHA regulations

Job description

Line of Business: Aggregates

About Us

Heidelberg Materials is one of the world’s largest suppliers of building materials. Heidelberg Materials North America operates over 450 locations across the U.S. and Canada with approximately 9,000 employees.

Position Overview

Lead daily plant operations at Jamesville Quarry and Aggregate operation, ensuring safe, efficient aggregate production while developing teams, improving performance, and supporting business goals.

What You’ll Be Doing

• Lead and coordinate plant operations in a quarry environment, ensuring safe and efficient production of aggregates materials to meet targets

• Monitor and optimize performance of crushing, screening, and conveying equipment; partner with maintenance to address breakdowns and minimize downtime

• Drive continuous improvement initiatives focused on throughput, material quality, and cost efficiency across plant operations

• Maintain accurate production, inventory, and shift reports; ensure compliance with MSHA regulations and company standards

• Promote a strong safety culture by reinforcing safe work practices, conducting inspections, and leading by example

• Provide direction and support to plant personnel, fostering teamwork, accountability, and operational discipline

What Are We Looking For

• Experience in aggregates, mining, or heavy industrial manufacturing environments preferred

• Working knowledge of crushing, screening, conveying systems, and mobile or stationary plant equipment

• Strong leadership and communication skills with the ability to lead crews in a high-production quarry environment

• Ability to interpret production data, identify trends, and make real-time operational decisions

• Solid understanding of safety standards and regulations (MSHA experience preferred)

• Hands-on problem-solving skills with the ability to adapt quickly in a fast-paced, outdoor operation

• Collaborative mindset with the ability to work cross-functionally with maintenance, quality, and operations teams

Work Environment

This position operates in an outdoor quarry and plant environment with exposure to moving equipment, varying weather conditions, dust, and elevated noise levels. Personal protective equipment (PPE) is required at all times.

What We Offer

• $84,900 to $113,193/yr base salary and participation in our annual incentive plan

• 401(k) retirement savings plan with an automatic company contribution as well as matching contributions

• Highly competitive benefits programs, including:

Equal Opportunity Employer - Minority / Female / Veteran / Disabled