United Rock Products / Maintenance Mechanic - Irwindale, Ca

Date: Aug 26, 2021

Country: Irwindale, 5159, US, 91706

Company: Colas




United Rock Products is a part of Sully-Miller Contracting Co., a company with nearly 100 years in the construction industry. Sully-Miller is a subsidiary of the Colas Group, a worldwide leader in the infrastructure construction and maintenance. If you're motivated, dedicated, and looking for a challenging career in the construction industry, it's time to join the United Rock Products team. Great employees made us the industry leader. We strive above all to offer a work environment that interests, challenges, and motivates. This includes opportunities to grow, competitive salaries and benefits, and a workplace culture that values the contributions of each individual. These human resource practices explain why many employees have been with United Rock Products for decades.


  • Inspect equipment prior to shift for safety, environmental and maintenance defects  
  • Complete Daily pre/ post equipment inspections - report as needed  
  • Maintain adequate cleanliness of equipment 
  • Report any defects to shop, foreman and management  
  • Inspect wear items on equipment & report as needed to shop, foreman, and management 
  • Ensure areas under your scope of responsibility remain in environmental compliance and complete any needed environmental reports  
  • Load hoppers and trucks with limited spillage 
  • Monitor ground conditions in area you are operating 
  • Perform housekeeping (clean, shovel, remove trash and debris) to ensure a safe, clean and complaint operation   
  • Ensure fill is placed in accordance with Fill Operating Plan (FOP) and regulatory guidelines 
  • Ensure site remains compliant with all MSHA, OSHA and EPA standards 
  • Other duties as outlined by Aggregate Manager/Reclamation Superintendent 


  • 3-5 years mobile equipment operational experience on various models of bull dozers, excavators, loaders, blades, RTD’s  
  • Must be able to operate machine with little or no supervision 
  • Must understand all of your controls and have experience with various types of equipment accessories/blades/attachments  
  • Must be able to read grade stakes and carry a grade 
  • Use bucket scales to optimize truck loading 
  • Preferred knowledge of GPS 
  • Must have a valid driver’s license and be able to drive company vehicle 
  • Understands MSHA and OSHA regulations 
  • Must have a strong, team oriented work ethic with strong focus on safety and environmental compliance 
  • Ability to understand and follow Company Handbook and Safety Policies 
  • Ability to work well with others 
  • Must have a strong mechanical aptitude 
  • Must be able to follow oral and written plans and directions 
  • For Excavators- be able to set and load trucks efficiently to optimize production and be able of utilizing rock breaker and/or processor attachments  
  • For Dozers- Must be able to carry a flat grade and adapt to fluctuating terrain including steep slopes. Be able to finish slopes with a slope board. 
  • For RTD- Must be able to carry, cut and fill grade as needed and re-grade stakes. Must be able to coordinate and import trucks for proper placement on fill. 
  • For Loaders- Must be able to minimize overloading of customer’s trucks and remaining complaint with DOT weight restrictions 


Colas Inc. and its subsidiaries (United Rock Products) are Equal Opportunity Employers. For details on the specifics of this commitment, please click here EEO document.  If you need an accommodation to access the information provided on this website, please contact Colas Inc. 973-290-9082 or send an email to ColasRecruiter@colasinc.com.  

Nearest Major Market: Los Angeles