SIMON | Aggregate Operations Manager - Rapid City, SD

Subsidiary: Simon


Simon, the Colas USA subsidiary that operates throughout Colorado, Nebraska, South Dakota, and Wyoming, specializes in aggregates, asphalt, and ready-mix concrete production, asphalt paving, and concrete, bridge, highway, and utility construction. Through strong local ties backed by global resources, we focus on quality and value to deliver the best products and services for our clients. What we do is bigger than construction – it is about connecting communities, building new roads to the future, and keeping the spirit of the pioneers alive and well. To learn more about Simon visit  

Throughout Colas USA, we provide competitive pay, outstanding benefits, career advancement opportunities, professional education, and extensive training for every employee. We pride ourselves on upholding the highest standards of safety, environmental conservation, and ethical conduct as we strive to grow our infrastructure products and services through empowering and developing our people, fostering innovation, utilizing new technology, and maximizing vertical integration at all levels of the company’s value chain. To learn more about the Colas USA Family of Companies, please visit

Simon, and the rest of the Colas USA Family of Companies, is part of the Colas Group, the worldwide leader in transportation infrastructure construction and maintenance. For information on our international network visit

Job Summary

Directs and coordinates activities related to production and delivery of aggregates products, including safety, compliance, sales, customer service and quality control.

Main Responsibilities

  • Embrace the Company’s safety culture, actively support all safety initiatives, and adhere to defined accountabilities implemented by the Safety Steering and Continuous Improvement teams
  • Support, promote, and practice the Company core values, vision, and mission; follow code of ethics, workplace conduct, safety, and other established policies 
  • Hire, train, and develop employees to perform at their highest level 
  • Develop and support positive customer relationships to drive aggregate sales; perform regular customer visits to promote sales/service, and collect on accounts
  • Work with the quality control team to meet customer demand and manage production and dispatch of materials meeting required specifications
  • Develop and manage budgets and forecasts for assigned plant sites; forecast raw materials needs and implement operational plans to minimize production cost
  • Review and analyze production, quality control, maintenance, and operational reports to determine causes of nonconformity with product specifications, and operating or production problems
  • Develop and implement operating methods and procedures designed to eliminate operating problems and improve product quality and production efficiency
  • Set and manage production schedules and priorities; monitor delivery schedules and timing to ensure efficient fleet utilization 
  • Compile, maintain, and present production and financial data and analysis to management
  • Monitor inventory, and work with plant teams to control loss and product contamination
  • Establish and implement key performance indicators and utilize them to manage assigned sites
  • Implement effective maintenance practices and planning to reduce down-time; monitor maintenance needs and scheduling with internal shops and outside services to maintain equipment and trucks
  • Monitor housekeeping of plants to ensure plant sites are clean and organized


  • Degree in mining, manufacturing, civil or related engineering field, or equivalent combination of education and experience preferred
  • Valid drivers’ license and ability to maintain a clean motor vehicle record required, commercial license a plus


  • Minimum 5 years prior experience in ready-mix, aggregates, asphalt production, delivery, sales, and services preferred
  • 3-5 years prior experience leading and developing people 
  • Knowledge of rules/regulations governed by federal, state, and local regulatory agencies, including OSHA/MSHA, DEQ, and DOT applicable to position
  • Experience managing budgets and performing basic financial analysis preferred
  • Self-directed, results-oriented, and highly motivated, requiring minimal direct guidance
  • Ability to lead and motivate others; proven experience effectively managing and leading teams
  • Ability to effectively manage multiple priorities, problem-solve, and work under consistent pressure of deadlines
  • Proficiency with computers/mobile devices, including use of basic MS Office and similar programs and applications

Physical Requirements

  • Wear and maintain personal protective equipment (PPE), as required by company safety guidelines
  • Occasionally required to lift and /or move up to 50 pounds with or without assistance
  • Regularly required to use hands to feel, handle and manipulate objects
  • Regularly required to communicate verbally and in writing (hear, talk, read, type, write) 
  • Regularly required to stand, walk, sit, reach with hands and arms, and stoop, kneel, crouch, or crawl. 
  • Regularly required to Stand/work on feet for long periods, and walking across uneven terrain
  • Regularly required to work from a seated position for long periods using a computer
  • Frequent exposure to typical production plant/aggregate site conditions, including dust and loud noise, heavy equipment/machinery, loud noise, and all-weather conditions
  • Travel, including overnight stays away from home may be required

Compensation and Benefits:

Compensation*: $100,000-$125,000 annually DOE


*Estimated target starting compensation; actual compensation to be determined based on assessment of an individual’s qualifications, education, and experience relevant to the role.

Benefits: All full-time hourly employees are eligible to participate in Simon benefits as defined in plan documents.  Available benefits include medical, dental and vision insurance, term life insurance, supplemental life insurance, 401K with company match, short-term disability, flexible spending plan, and education assistance.  Other benefits include eight paid holidays, and access to available company discounts.  

The information contained herein is not intended to be an all-inclusive list of the duties and responsibilities of the job, nor are they intended to be an all-inclusive list of the skills and abilities required to do the job. Management may, at its discretion, assign or reassign duties and responsibilities to this job at any time.  Benefit offerings subject to change.

Colas Inc. and its subsidiaries are an Equal Opportunity Employer. For details on the specifics of this commitment, please click here to view the EEO document.  If you are an individual with a disability and require a reasonable accommodation to:

  • to meet the requirements of the role in which you are applying
  • complete any part of the application process
  • access or use the online application process and need an alternative method for applying

Please contact Colas Inc. at 973-290-9082 or send an email to

Nearest Major Market: South Dakota
Nearest Secondary Market: Rapid City