Subsidiary: Barrett Industries



Upstone Materials, Inc. is one of the companies that operates within Barrett Industries Corporation, the Colas USA subsidiary that operates primarily in Maryland, Ohio, Pennsylvania, and New York. Upstone is the leading manufacturer of aggregates, hot mix asphalt, and ready-mix concrete in northeastern New York with three large quarries, four hot mix asphalt plants, seven ready-mix locations, along with dozens of sand and gravel pits. Since 2017, the mission of Upstone has been to strengthen and grow by empowering our people, fostering innovation, and utilizing new technology. To learn more about Upstone 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

Upstone, 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


  • Maintains and repairs equipment, vehicles, and/or facilities used for carrying out the operations.

Main Responsibilities

  • Follows the instructions of their manager: schedule, etc.
  • Prepares and organizes their work: organizes the operations to be carried out, observing the deadlines, using the data for the life of the facilities, orders the supplies necessary for maintenance…
  • Identifies breakdowns: detects and localizes breakdowns using suitable diagnostic tools, carries out tests for proper functioning before putting back in service, identifies the cause of the malfunction and identifies the technical steps to be carried out.
  • Maintains and repairs construction site vehicles or facilities: carries out periodic upkeep of construction site vehicles according to the manufacturer’s recommendations, carries out repairs (mechanical, electrical, electronic, pneumatic, hydraulic) according to the established diagnostic, verifies the proper functioning of the equipment and vehicles before making them available, keeps the upkeep log (paper or computerized) up-to-date.


  • Road tests, inspects and troubleshoots Ready Mix trucks and equipment to assess condition and diagnose repairs
  • Repairs and rebuilds hydraulic and pneumatic apparatus
  • Adjusts, disassembles, and repairs or rebuilds drum and disc braking systems, valves, master cylinders, and pneumatic or other hydraulic controls
  • Fabricates special parts and up fits new equipment
  • Adjusts, repairs, replaces and/or rebuilds carburetors and fuel injection systems
  • Installs, troubleshoots, adjusts, replaces, repairs, and rewires electrical systems and components, such as ignitions, signals, lights, and electrical controls, including computer-controlled components
  • Repairs and replaces suspension and steering components
  • Adjusts and/or repairs automatic and manual transmissions, differentials, power-take-off drives, clutches, and related drive train components
  • Uses welding and cutting equipment to make repairs or modify equipment
  • Performs on-site field repairs to stationary or disabled equipment
  • Additional duties as assigned by lead mechanic

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: Plattsburgh