Assistant Plant Manager; Aggregates

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.

Lead day-to-day quarry and plant operations to safely achieve production, quality, and cost objectives for a high-volume operation producing approximately 1.5 million tons annually.

Champion a strong safety culture by reinforcing safe work practices, identifying and addressing hazards, and supporting compliance with company policies and applicable MSHA requirements.

Optimize crushing, screening, conveying, stockpiling, loading, and material-handling processes to improve throughput, quality, equipment utilization, and operational efficiency.

Partner with maintenance teams to prioritize preventive and corrective maintenance, minimize equipment downtime, and improve the reliability of mobile and fixed plant equipment.

Lead, coach, and develop employees while coordinating staffing, resources, and production activities to build an accountable, engaged, and high-performing team.

Demonstrated ability to lead safe, efficient production in a quarry, aggregates, mining, or comparable heavy industrial environment.

Strong understanding of aggregate production processes with the ability to identify opportunities to improve safety, quality, productivity, reliability, and cost performance.

Ability to apply MSHA requirements, environmental standards, company policies, and safe work practices in daily operations.

Proven ability to lead, coach, develop, and hold teams accountable while fostering a collaborative and performance-focused work environment.

Strong business acumen, problem-solving, decision-making, and communication skills with the ability to effectively manage changing operational priorities.

Strong safety leadership with the ability to promote a proactive safety culture, identify risks, and reinforce safe work practices.

Strong knowledge of aggregate production processes, including crushing, screening, conveying, stockpiling, loadout, and mobile equipment operations.

Effective leadership and people-development skills, including coaching, performance management, employee engagement, and accountability.

Ability to analyze production, quality, equipment performance, downtime, and cost data to identify trends and drive continuous improvement.

Strong problem-solving, decision-making, planning, organization, and communication skills with the ability to effectively manage multiple operational priorities.

5+ years of relevant experience in quarry, aggregates, mining, or a comparable heavy industrial operation, with demonstrated knowledge of safety, production, quality, and cost performance.

Experience supporting or leading high-volume production operations, including drilling and blasting, crushing, screening, conveying, material handling, stockpiling, and loadout.

Experience supporting rail operations, including railcar loading, loadout coordination, product distribution, and safe rail movement practices.

Experience partnering with maintenance teams to improve preventive maintenance, equipment reliability, availability, and production uptime.

Demonstrated experience leading, coaching, and developing frontline employees and supervisors while reinforcing safety, accountability, teamwork, and operational performance.

Bachelor’s degree in Mining Engineering, Engineering, Construction Management, Operations Management, Business, or a related field preferred.

Relevant technical education, certifications, or specialized training in…