Operations Supervisor

Minimum Requirements

• High School Diploma or GED required.


• Minimum two (2) years of leadership or supervisory experience.


• Valid Hawaii Driver's License (Class 3 or higher) with acceptable driving record.


• Basic computer proficiency, including Microsoft Office applications.


• Ability to obtain required operational certifications and qualifications.


• Ability to pass drug screening, background check, driver abstract review, and maintain TWIC credentials.


• Must successfully complete required physical capacity testing.

Preferred Requirements

• Associate degree, trade certification, military leadership training, or equivalent experience.


• Experience in aggregate, ready-mix, construction materials, transportation, manufacturing, or industrial operations.


• Experience in a union environment.


• Mechanical, welding, fabrication, equipment operation, or maintenance experience.


• NRMCA, MSHA, OSHA, DOT, environmental, Lean Six Sigma, or leadership certifications.

Duties and Responsibilities

Ready-Mix Concrete Department: 

• Supervises ready-mix production, dispatch coordination, transportation operations, fleet utilization, delivery performance, and customer service activities to ensure customers receive quality products safely, efficiently, and on schedule.


• Coordinates production schedules, plant maintenance, equipment availability, repair priorities, housekeeping activities, and operational resources to maximize productivity, service performance, and profitability.


• Works closely with Quality Control, Sales, and Maintenance personnel to achieve safety, quality, customer service, and financial objectives.


• Monitors key performance indicators including safety performance, delivery efficiency, fleet utilization, labor productivity, equipment availability, operational costs, and customer satisfaction.


• Ensures employees are properly trained, qualified, and operating safely while performing Dispatcher and Batch Plant Operator duties in accordance with union agreements and established past practices.


• Maintains compliance with all applicable OSHA, DOT, FMCSA, EPA, State, and Company safety, environmental, quality, and operational requirements.

Aggregate Operations Department (Portable Plant, Finish Plant, and Waikapu Quarry):

• Supervises the daily operation of the Portable Plant, Finish Plant, and Waikapu Quarry, including quarry development, harvesting, blasting, crushing, screening, processing, inventory management, and aggregate production activities.


• Coordinates production schedules, equipment utilization, maintenance priorities, plant relocations, repair activities, and operational resources to maximize production efficiency, product quality, equipment availability, and overall departmental performance.


• Monitors key performance indicators, inventory levels, production results, and quality standards to ensure operational objectives are achieved.


• Ensures employees are properly trained, qualified, and operating safely while performing bargaining unit work in accordance with union agreements and established past practices.


• Maintains compliance with all applicable MSHA, EPA, State, and Company safety, environmental, and operational requirements.

Overall Responsibilities: 

• Promote Company Purpose, Mission, Vision, Values, and TRAC principles.


• Lead employees to achieve safety, quality, production, customer service, and financial goals.


• Monitors productivity, equipment utilization, labor efficiency, and department KPIs.


• Coordinate maintenance activities, equipment repairs, contractor services, and operational resources.


• Conducts workplace inspections to identify hazards and maintain compliance.


• Investigates incidents and operational issues, implementing corrective actions as necessary.


• Lead, coach, and develop employees


• Administer bargaining unit provisions, address grievances, and support labor-management initiatives.


• Build positive relationships with internal and external stakeholders


• Execute continuous improvement and Lean Six Sigma initiatives.


• Respond to emergencies, weather events, production interruptions, and operational challenges.


• Maintain positive customer relations and support efficient, profitable operations.

Knowledge, Skills, and Abilities

• Strong leadership, communication, coaching, and team-building abilities.


• Knowledge of construction materials operations, equipment utilization, and resource management.


• Ability to analyze operational, safety, quality, and financial performance and implement corrective action.


• Ability to prioritize labor, equipment, materials, and operational resources to meet business objectives.


• Ability to maintain effective relationships with employees, customers, and business partners.


• Ability to conduct investigations, root-cause analysis, and corrective action planning.


• Proficiency with company computer systems and Microsoft Office applications.


• Ability to obtain and maintain required operational, safety, environmental, and leadership certifications.


• Ability to successfully complete Company Leadership Development and Continuous Improvement programs.


• Ability to read, understand, and apply operational procedures, manuals, regulations, and safety requirements.


• Ready-Mix Operations - Obtain and maintain NRMCA Plant Manager Certification, Qualify as Dispatcher and Batch Plant Operator, Complete NRMCA safety and dispatch training requirements.


• Aggregate Operations - Obtain and maintain Crusher Operator II and Loader Operator qualifications.