SIMON | Aggregate Operator 1-Harriman Quarry

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:

Performs work required to maintain efficient operation of plants and equipment in support of mining and aggregate material production activities; operates a variety of equipment, vehicles, and tooling.

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 
•    Observe safety procedures, report potentially unsafe conditions, and use equipment and materials properly; leads by example
•    Communicate professionally with others in person, over the phone, and on company radio channels 
•    Operate heavy equipment, including, but not limited to, loaders, skid steers, water trucks, telehandlers, and service/pickup trucks used in aggregate mining and production operations; operate other tools and equipment as required for assigned tasks
•    Perform manual/physical tasks required in plant operation and maintenance activities
•    Work closely with plant operators, drivers, and others to ensure efficient and safe mining and plant operation in support of efficient materials production
•    Perform pre-operational inspection of equipment and detect mechanical and/or safety issues
•    Perform mobile equipment maintenance, including lubrication, replacing oil/fluids, re-fueling, and cleaning; assist with minor equipment repair tasks
•    Assist with plant/crusher equipment maintenance and repair 
•    Complete other related projects/tasks as assigned


•    High school diploma or equivalent preferred
•    MSHA certification or ability to obtain certification required
•    Valid drivers’ license with ability to maintain a clean driving history required


•    2 years of relevant experience and/or equivalent combination of training/experience in a similar role
•    Basic mechanical skill preferred, basic welding experience a plus
•    Proficiency in operation industrial and heavy equipment, including but not limited to skid steers, 903 loader, water truck, telehandler forklift, service/pickup trucks
•    Ability to operate mobile devices and other technology used daily operations
•    Ability to read and interpret signage and/or written instructions (safety rules, operating and maintenance instructions, procedure manuals, etc.)
•    Ability to problem-solve 
•    Ability to work in a team environment under general direction and supervision
•    Ability to interact professionally with others and clearly communicate with others

Physical Requirements:

•    Wear and maintain personal protective equipment (PPE) as required
•    Regularly 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 (talk and hear) 
•    Regularly required to read and understand signage, labels, and written instructions
•    Regularly required to reach with hands and arms and stoop, kneel, crouch, or crawl 
•    Regularly required to stand/work on feet for long periods, and walk across uneven terrain
•    Occasionally exposed to working from high, precarious places and risk of electrical shock
•    Mining environment; regularly exposed to all outdoor weather conditions, dust, airborne particles, fuel/chemicals, loud noise, moving equipment/parts, and vibration

Benefits and Perks:

•    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
•    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.  

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: Wyoming
Nearest Secondary Market: Cheyenne