Maintenance Mechanic

Holcim Ltd; Rockville (MD); On-site; USD 52,000 - 72,000; Full time

Benefits offered by this job

401(k) savings

Medical, dental, disability, life

HSAs & FSAs

Vision & voluntary benefits

Paid time off & holidays

Educational assistance

Job summary

Amrize North America Inc. is seeking a Night Maintenance Mechanic for our Rockville, MD quarry. The role focuses on inspecting, repairing, and maintaining heavy machinery to ensure safe, continuous production.

Responsibilities include troubleshooting mechanical and electrical systems, performing preventive maintenance, welding and fabrication as needed, and coordinating with the day shift to maintain uptime while following safety protocols.

Qualifications

• High school diploma or equivalent.
• Experience in Quarry or Industrial Settings.
• Strong understanding of heavy equipment and plant systems (crushers, conveyors, screening plants).
• Ability to diagnose mechanical, hydraulic, pneumatic, electrical issues and repair them.

Responsibilities

• Inspect, troubleshoot, repair, and maintain heavy equipment and quarry machinery.
• Perform preventive maintenance and inspections to minimize downtime.
• Diagnose and repair mechanical, hydraulic, pneumatic, electrical issues.
• Respond to nighttime breakdowns and perform emergency repairs.
• Weld, fabricate, cut, and repair metal parts.
• Maintain records and communicate issues to day shift.

Skills

Heavy equipment know-how

Troubleshooting

Welding & fabrication

Safety awareness

Independence

Education

High school diploma or equivalent

Job description

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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 ID: 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 quarry, mining, or industrial environment.
• Reliability and Work Ethic: Dependable, self‑motivated, and able to work independently or as part of a maintenance team.
• Physical Strength and Endurance: Capable of performing physically demanding work, including lifting, climbing, and working outdoors.
  

Additional Requirements:

• Successful candidates must adhere to all safety protocols and proper use of Amrize approved Personal Protection Equipment ("PPE"), including but not limited to respirators. Employees that are required to wear respirators must be clean shaven where the respirator seal meets the face in order to pass the qualitative and quantitative fit tests.

WHAT WE OFFER

• Retirement Savings: Choose from 401(k) pre‑tax and/or Roth after‑tax savings
• Medical, Dental, Disability and Life Insurance
• Holistic Health & Well‑being programs
• Health Savings Accounts (HSAs) & Flexible Spending Accounts (FSAs) for health and dependent care
• Vision and other Voluntary benefits and discounts
• Paid time off & paid holidaysPaid Parental Leave (maternity & paternity)
• Educational Assistance Program
• Dress for your day
  

Amrize is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

We thank all applicants for their interest; however, only those selected for an interview will be contacted.

BUILDING INCLUSIVE WORKSPACES

At Amrize, there is endless opportunity for you to play your part. Whether you’re in a technical, managerial, or frontline role, you can shape a career that works for you. We're seeking builders, creative thinkers and innovators. Come put your expertise to work while developing the knowledge and skills to drive your career forward. With us you’ll have the chance to build your ambition!

Amrize North America Inc. takes pride in our hiring processes and our commitment that all qualified applicants will receive consideration for employment without regard to age, race, color, ethnicity, religion, creed, national origin, ancestry, gender, gender identity, gender expression, sex, sexual orientation, marital status, pregnancy, parental status, genetic information, citizenship, physical or mental disability, past, current, or prospective service in the uniformed services, or any other characteristic protected by applicable federal, state or local law. Amrize North America Inc, and its respective subsidiaries are Equal Opportunity Employers, deciding all employment on the basis of qualification, merit and business need. Amrize Canada Inc. is committed to the principles of employment equity and encourages the applications from women, visible minorities, and persons with disabilities.Amrize North America Inc. participates in E-Verify and will provide the federal government with your I-9 information to confirm that you are authorized to work in the United States.

In compliance with the ADA Amendments Act (ADAAA), if you have a disability and would like to request accommodation in order to apply for a position with us, please email [e-mail] . This email address should only be used for accommodations and not general inquiries or resume submittals. In Ontario, our organization/business is committed to fulfilling our requirements under the Accessibility for Ontarians with Disabilities Act. Under the Act, accommodations are available on request for candidates taking part in all aspects of the selection process.

While we sincerely appreciate all applications, only candidates selected for an interview will be contacted.