Plant Maintenance Mechanic

Upstone Materials, Inc is a leading manufacturer of aggregates, hot mix asphalt, and ready‑mix concrete in northeastern New York. With our people‑first culture, we uphold the highest standards of safety, environmental conservation, and ethical conduct. As part of the Colas Group, the global leader in transportation infrastructure, we are committed to excellence. Learn more about us at

$20.00‑$30.00 Per Hour

The Crusher Plant Maintenance Technician is responsible for the safe and efficient operation and maintenance of crushing equipment in a quarry environment. This role exists to ensure that crushing processes run smoothly, materials are processed to meet quality standards, and equipment is maintained to prevent breakdowns. The technician will work collaboratively with other team members to promote safety, quality, and operational efficiency.

• Actively participate in company safety programs and promote a safety culture by making informed decisions.
• Follow all safety policies and procedures, including LOTOTO, Motor Vehicle, and Drug & Alcohol policies.
• Engage in emergency response as a team, prioritizing safety for all personnel.

• Inspect raw materials prior to processing to ensure compliance with quality standards.
• Monitor production processes and adjust equipment settings as necessary to maintain product quality.
• Collaborate with the Quality Control Team to conduct regular inspections of output materials.

• Equipment Operation:
  Safely operate and monitor various types of crushing equipment (jaw, cone, impact), ensuring adherence to standard operating procedures (SOPs) for efficient usage.
• Routine Maintenance:
  Perform routine maintenance checks on crushing equipment, including lubrication, adjustments, and cleaning to ensure optimal performance.
• Wear Parts Replacement:
  Identify and replace wear parts (liners, screens, hammers) as necessary, ensuring that all equipment operates at peak efficiency.
• Operational Troubleshooting:
  Diagnose and resolve operational issues with crushing equipment, employing critical thinking skills to identify root causes and implement solutions effectively.
• Adjustments and Calibration:
  Make necessary adjustments to crusher settings (such as closed side settings, discharge settings) and calibrate instruments for optimal operation based on material properties and production requirements.
• Material Handling:
  Load raw materials into the crusher using heavy equipment (e.g., front‑end loaders) and monitor feed rates, making adjustments as necessary for optimal performance.
• Production Tracking:
  Track production rates and maintain accurate records of production data, including quantities produced and quality test results, to ensure compliance with project specifications.
• Mechanical Knowledge:
  Utilize a background in mechanics to understand equipment operation, perform basic repairs, and assist maintenance personnel with more complex issues.
• Advancements in Technology:
  Stay informed about advancements in crushing technology and equipment, providing feedback to management on potential upgrades or improvements in processes.
• Training Participation:
  Actively participate in on‑the‑job training (OJT) to gain a comprehensive understanding of existing equipment, processes, and best practices.

• Communicate effectively with co‑workers and supervisors about production metrics, equipment status, and any issues that arise.
• Assist in training new operators and promote a collaborative working environment.
• Participate in team meetings to align on production goals, safety protocols, and performance improvement opportunities.

• High school diploma or equivalent; technical training or certification in heavy machinery operation preferred.
• Previous experience operating crushers or heavy equipment in a quarry or similar environment.
• Knowledge of safety regulations and best practices, with certifications in OSHA or MSHA training strongly recommended.

• Extended hours during season April-October.
• Work primarily outdoors in a quarry or open‑pit setting, often exposed…