Assistant Plant Manager (Aggregates)

50061 Heidelberg Materials Southwest Agg LLC; Burnet (TX); On-site; USD 87,000 - 116,000; Full time

Benefits offered by this job

401(k) retirement plan

Medical, Dental, Vision

HSA/HRA/FSAs

AD&D

Disability & Life Insurance

Paid bonding leave

Paid vacation

Paid sick leave

Paid holidays

Job summary

Heidelberg Materials is seeking a Quarry Assistant Plant Manager to lead day-to-day quarry and plant operations for a high-volume site producing about 1.5 million tons annually. You will optimize processing steps, drive safety culture, and collaborate with maintenance to maximize reliability and efficiency.

Ideal candidates have 5+ years in quarry or heavy industrial environments, a bachelor’s degree in Mining Engineering or related field, and strong leadership, safety, and cost-management

Qualifications

• 5+ years of relevant experience in quarry, aggregates, mining, or heavy industrial operations.
• Strong knowledge of aggregate production processes and safety practices.
• Experience applying MSHA requirements and environmental standards.
• Proven ability to lead, coach, and develop frontline employees.
• Excellent communication and cost-management skills.

Responsibilities

• Lead day-to-day quarry and plant operations to meet safety, production, quality, and cost objectives.
• Optimize crushing, screening, conveying, stockpiling, and loadout for throughput and efficiency.
• Coordinate with maintenance to minimize downtime and improve equipment reliability.
• Coach and develop team members to build a high-performing, accountable workforce.
• Ensure compliance with company policies and safety regulations in daily operations.

Skills

Safety leadership

Leadership & coaching

Communication skills

Problem solving

Education

Bachelor's degree in Mining Engineering or related field

Job description

Line of Business: Aggregates Pay Range: $86,850.00 – $115,796.66

Quarry Assistant Plant Manager

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.

What You’ll Be Doing

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.

What Are We Looking For

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.

Critical Skills

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.

Relevant Experience

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.

Education

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 aggregates, mining, maintenance, safety, or operations may also be considered.

A combination of relevant education, technical training, and demonstrated quarry, aggregates, mining, or heavy industrial leadership capabilities may be considered in lieu of a four‑year degree.

Physical Demands

Ability to regularly stand, walk, and move throughout an active quarry and processing plant, including on uneven, rocky, or sloped terrain.

Ability to climb and descend stairs, ladders, and elevated platforms to safely access and inspect operational areas and equipment.

Ability to bend, stoop, crouch, kneel, reach, and maintain balance as necessary when accessing or inspecting plant and quarry areas.

Ability to lift, carry, push, or pull up to 50 pounds occasionally, with or without reasonable accommodation, when required to support operational activities.

Ability to safely perform work in an outdoor industrial environment with exposure to varying weather conditions, dust, noise, vibration, moving equipment, and elevated work areas while wearing required personal protective equipment.

Work Environment

Position works in an active rock quarry and aggregate production environment with regular presence in plant, quarry, stockpile, loadout, and rail areas.

Regular exposure to outdoor weather conditions, dust, noise, vibration, uneven terrain, moving equipment, and operating production equipment.

Work may be performed around crushing and screening equipment, conveyors, heavy mobile equipment, rail operations, and other industrial processes.

Required personal protective equipment must be worn while working in designated operational areas.

Flexibility to support operational needs outside normal business hours, including early mornings, evenings, weekends, and emergency situations when necessary.

What We Offer

$90,000-$100,000 base salary and participation in our annual incentive plan.

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

• Medical, Dental, and Vision along with Prescription Drug Benefits
• Health Saving Savings Account (HSA), Health Reimbursement Account (HRA) and Flexible Spending Account (FSA)
• AD&D
• Short- and Long-Term Disability Coverage as well as Basic Life Insurance
• Paid Bonding Leave

15 days of Paid Vacation, 40 hours of Paid Sick Leave and 10 Paid Holidays

Equal Opportunity Employer

Minority / Female / Veteran / Disabled

Shaping the future, building successes

Heidelberg Materials – your springboard into the future of the construction materials industry. As a globally leading company in the construction sector, we manufacture one of the most widely used products, paving the way not only toward more sustainable production but also toward your personal success story.

Our bold and innovative approach focuses on massive CO₂ reduction, efficient recycling technologies, and digital solutions – setting new standards for the industry.

In our globally connected and locally rooted community, your ideas have the power to shape a better tomorrow for people. With us, you’re not just shaping the industry’s future; you’re shaping your own. Let’s get to work!

Heidelberg Materials

Heidelberg Materials is one of the world's largest integrated manufacturers of building materials and solutions with leading market positions in cement, aggregates, and ready‑mixed concrete.

We are represented in more than 50 countries with around 51,000 employees at almost 3,000 locations.

At the centre of our actions lies the responsibility for the environment. As the front runner on the path to carbon neutrality and circular economy in the building materials industry, we are working on sustainable building materials and solutions for the future.

We enable new opportunities for our customers through digitalisation.