Night Quarry Maintenance Mechanic - Heavy Equipment

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COMPANY OVERVIEW
Amrize is building North America. From bridges and railways to data centers, schools, offices and homes, our solutions are inside the buildings and infrastructure that connect people and advance how we live. And we invite you to come and build with us.

As the partner of choice for professional builders, we offer advanced branded solutions from foundation to rooftop. Wherever our customers are, whatever their job, we’re ready to deliver. Our 19,000 colleagues work across 1,000 sites supported by an unparalleled distribution network. Infrastructure, commercial and residential, new build, repair and refurbishment:
We’re in every construction market.

Amrize listed on the New York Stock Exchange and the SIX Swiss Exchange on June 23, 2025, following our spinoff as an independent company. Join us and build your ambition.

We’re seeking a Maintenance Mechanic who’s ready to put your skills to work on projects that matter — and build a career with a company that’s building North America.

Job Title: Maintenance Mechanic | Req : 18201| HR Contact: Shaunta MACKELL| Location: Rockville Agg MD

ABOUT THE ROLE

Amrize, a leading supplier of quality, construction building materials in the United States, has immediate openings for a Night Maintenance Mechanic to support operations at the Quarry located in Rockville, MD. The primary responsibility of a Maintenance Mechanic at a quarry in the aggregate industry is to inspect, repair, and maintain heavy equipment and plant machinery to ensure safe, efficient, and continuous production operations continuous production operations.

WHAT YOU'LL ACCOMPLISH

• Inspect, troubleshoot, repair, and maintain heavy mobile equipment, crushers, conveyors, screens, pumps, and other quarry machinery.
• Perform scheduled preventive maintenance and routine inspections to minimize equipment downtime and support continuous production.
• Diagnose mechanical, hydraulic, pneumatic, electrical, and lubrication-related equipment issues and complete necessary repairs.
• Respond to equipment breakdowns and perform emergency repairs during the night shift to restore safe and efficient operations.
• Conduct welding, fabrication, cutting, and mechanical repairs as needed to maintain plant equipment and infrastructure.
• Replace and repair bearings, belts, chains, pulleys, motors, gearboxes, hydraulic components, and other mechanical parts.
• Monitor equipment condition and identify potential failures or safety concerns before they result in unplanned downtime.
• Maintain accurate maintenance records, document repairs, and communicate equipment issues and outstanding work to the day-shift maintenance team.
• Follow all company safety policies, lockout/tagout procedures, PPE requirements, and applicable OSHA regulations while performing maintenance activities.
• Work closely with plant operators, supervisors, and other maintenance personnel to prioritize repairs and keep quarry operations running safely and efficiently

WHAT WE'RE LOOKING FOR

• Education:
  
  High school diploma or equivalent
• Required
  
  Work Experience:
  
  Experience in Quarry or Industrial Settings
• Mechanical Knowledge:
  Strong understanding of heavy equipment and plant systems, including crushers, conveyors, and screening plants.
• Troubleshooting
  
  Skills:
  
  Ability to quickly diagnose and fix mechanical, hydraulic, and pneumatic issues to minimize downtime.
• Welding and Fabrication Ability:
  Skilled in welding, cutting, and fabricating metal parts for equipment repairs or modifications.
• Safety Awareness:
  Committed to following all safety rules and maintaining a safe work environment around heavy machinery.
• Prior hands-on experience maintaining and repairing equipment in a…