What are the responsibilities and job description for the SIMON | Mobile Aggregate Operator position at Simon?
Simon is a subsidiary of Colas USA with operations throughout Colorado, Nebraska, South Dakota, and Wyoming. We specialize in aggregate, asphalt, and ready-mix concrete materials production, with expert teams providing high-quality asphalt paving, concrete, bridge, and utility construction services. 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 www.simonteam.com/.
The Colas USA Family of Companies provides 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 www.colasusa.com.
Job Summary
Supports aggregate production across multiple quarry locations by traveling between sites as needed to assist with crushing, screening, loading, and general plant operations. This role is responsible for safely operating heavy equipment, supporting crusher performance, performing routine maintenance, and ensuring consistent production standards across all assigned locations.
Main Responsibilities
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
The Colas USA Family of Companies provides 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 www.colasusa.com.
Job Summary
Supports aggregate production across multiple quarry locations by traveling between sites as needed to assist with crushing, screening, loading, and general plant operations. This role is responsible for safely operating heavy equipment, supporting crusher performance, performing routine maintenance, and ensuring consistent production standards across all assigned locations.
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.
- Travel regularly between multiple quarry locations to support production, maintenance, and operational needs
- Identify, report, and help correct unsafe conditions; properly use tools, equipment, and materials.
- Operate mobile and heavy equipment including front‑end loaders, skid steers, excavators, backhoes, and other aggregate production equipment.
- Feed crushing and screening plants using a front‑end loader to support consistent material flow.
- Perform routine maintenance on crushing and screening plants, including clean‑up, lubrication, and basic mechanical upkeep.
- Assist with general plant operation activities such as material handling, conveyor monitoring, and housekeeping.
- Perform manual labor tasks required for quarry, crusher, and plant operations.
- Strip, load, and transport dirt, overburden, and waste materials to designated locations.
- Work closely with plant operators, equipment operators, truck drivers, and supervisors to complete daily production goals.
- Perform minor equipment maintenance including greasing, fluid checks, fueling, and oil replacement.
- Operate hand tools and power tools as needed for maintenance and repair tasks.
- High school diploma or GED preferred.
- Valid drivers’ license with ability to maintain a clean driving history required.
- 2 years of experience operating heavy equipment or equivalent combination of training and experience required.
- Prior experience in aggregate production, quarry operations, mining, or construction preferred.
- Experience working around crushers and screening plants preferred.
- Experience performing routine screening plant maintenance preferred.
- MSHA certification preferred.
- Ability to read and interpret safety rules, operating instructions, and maintenance manuals.
- Strong attention to safety, teamwork, and operational efficiency.
- 2 years of experience operating heavy equipment or equivalent combination of training and experience required.
- Prior experience in aggregate production, quarry operations, mining, or construction preferred.
- Experience working around crushers and screening plants preferred.
- Experience performing routine screening plant maintenance preferred.
- MSHA certification preferred.
- Ability to read and interpret safety rules, operating instructions, and maintenance manuals.
- Strong attention to safety, teamwork, and operational efficiency.
- Wears and maintains required PPE (personal protective equipment) to ensure safe performance of job responsibilities as required.
- Regularly uses hands to handle tools, equipment, and materials necessary for completing operational tasks safely and efficiently.
- Regularly communicate (talk and hear) to support safe coordination, instruction, and teamwork in the work environment.
- Regularly stands for extended periods and moves across various surfaces or terrain to access different work areas and complete assigned tasks.
- Regularly works in changing environmental conditions (such as outdoor weather, dust, or airborne particles) due to the nature of operational work sites.
- Regularly works near fuels, oils, and other common workplace chemicals associated with operating or supporting equipment and machinery.
- Frequently lifts and/or moves up to 50 pounds with or without assistance to handle materials, tools, equipment, or documents essential to the role.
- Frequently stands, walks, sits, reaches, and stoops, kneels, crouches, or crawls to access work areas and complete required tasks.
- Frequently works in environments that may include loud noise, moving equipment, dust, or varying indoor/outdoor conditions depending on operational needs.
- Occasionally works at heights or near electrical hazards when tasks require elevated access or proximity to electrical components.
- Ability to work flexible hours including evenings, weekends, and overtime; overnight travel may be required.
- Choice of 3 Medical Plan Options
- Prescription Drug Coverage
- Dental and Vision Plans
- Flexible Spending Account or Health Savings Options
- Access to Telemedicine and Healthcare Advocacy Services
- Paid Parental Leave
- Employee Assistance Program
- Life and AD&D Insurance
- Disability Insurance
- Paid Time Off and Paid Holidays
- 401(k) Savings Plan with Company Match
- Product and Service Group Discount Programs
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