Night Shift Plant Mechanic: Quarry & Heavy Equipment

Amrize; Rockville (MD); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

401(k)

Medical Insurance

HSAs & FSAs

Vision benefits

Paid time off

Educational assistance

Dress for your day

Parental leave

Job summary

Amrize is seeking a 3rd Shift Plant Mechanic for our Rockville Quarry in Rockville, MD. The role handles maintenance, servicing, and repair of plant machinery to ensure safe, reliable operations.

Shift hours typically run 10:00pm–7:00am and may vary with business needs. Requirements include a High School Diploma (technical certification preferred) and 3–5 years of experience with heavy industrial equipment.

Qualifications

• 3–5 years of experience maintaining heavy industrial equipment in quarry or similar settings.
• Extensive knowledge of mechanical, hydraulic, pneumatic, and basic electrical systems.
• Experience maintaining crushers, conveyors, screens, pumps, motors, gearboxes.
• Strong commitment to workplace safety and MSHA regulations.
• Excellent organizational and communication skills.
• Ability to work flexible hours and perform physical tasks in varying conditions.

Responsibilities

• Perform daily maintenance activities, assign work to maintenance personnel, and ensure repairs are done safely and on schedule.
• Perform preventive maintenance, troubleshooting, and repairs on quarry equipment and heavy mobile equipment.
• Diagnose and repair mechanical, hydraulic, pneumatic, and electrical system failures to minimize downtime.
• Conduct routine inspections and identify issues before failures.
• Coordinate with operations to prioritize maintenance and schedule planned shutdowns.
• Maintain maintenance records, work orders, and inventory; ensure tools are maintained.
• Ensure compliance with MSHA regulations and safety policies; promote a culture of safety.
• Demonstrate commitment to health, safety, and environmental policies.

Skills

Safety awareness

Problem solving

MSHA knowledge

Organizational skills

Flexible hours

Effective communication

Education

High School Diploma

Technical degree or cert in mechanical/industrial maintenance

Job description

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Travel Requirement: 31-40%

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.

Join our amazing team and contribute as a:

ABOUT THE ROLE

Amrize, a leading supplier of quality, construction building materials in the United States, has immediate openings for a 3rd Shift Plant Mechanic to support daily operations at our Rockville Quarry in Rockville, MD. This position will be responsible for maintaining, servicing, repairing, and installing plant machinery and equipment to help ensure safe, reliable, and efficient operations.This position hours are typically between 10:00pm-7:00am. Hours may vary depending on the needs of the business.

WHAT YOU'LL ACCOMPLISH

• Perform daily maintenance activities, assigning work to maintenance personnel and ensuring repairs are completed safely, efficiently, and on schedule.
• Perform preventive maintenance, troubleshooting, and repairs on crushing, screening, conveying, and material handling equipment, as well as heavy mobile equipment used in quarry operations.
• Diagnose and repair mechanical, hydraulic, pneumatic, and electrical system failures to minimize equipment downtime and maintain production goals.
• Conduct routine inspections of plant equipment and identify potential issues before they result in equipment failure or production interruptions.
• Coordinate with operations personnel to prioritize maintenance work and schedule planned shutdowns to maximize plant productivity.
• Maintain accurate maintenance records, work orders, and parts inventory while ensuring tools and equipment are properly maintained.
• Ensure compliance with all MSHA regulations, company safety policies, and environmental standards, while promoting a safe work environment for all employees.
• Demonstrate a commitment to communicating, improving and adhering to health, safety and environmental policies in all work environments and areas. Promote a culture of safety and exhibit these behaviors.
  

WHAT WE'RE LOOKING FOR

• Education: High School Diploma or Equivalent
• Field of Study Preferred: Preferably a technical degree or certification in mechanical engineering, industrial maintenance, or a related field, along with specialized training in quarry equipment and machinery.
• Required Work Experience: Minimum 3-5 years of experience maintaining and repairing heavy industrial equipment, preferably in an aggregates, mining, quarry, or similar production environment.
• Extensive knowledge of mechanical, hydraulic, pneumatic, and basic electrical systems, with strong troubleshooting and diagnostic skills.
• Experience maintaining crushers, conveyors, screens, pumps, motors, gearboxes, and other aggregate processing equipment.
• Working knowledge of welding, fabrication, and equipment rebuilding techniques.
• Strong commitment to workplace safety and a thorough understanding of MSHA regulations and safe maintenance practices.
• Excellent organizational, communication, and problem-solving skills with the ability to prioritize multiple tasks in a fast-paced environment.
• Ability to work flexible hours, respond to equipment breakdowns as needed, and perform the physical demands of the position, including lifting, climbing, and working in varying weather conditions

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 holidays
• Paid Parental Leave (maternity & paternity)
• Educational Assistance Program
• Dress for your day
  

Did we spark your interest? Build your future with us and apply!

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.

PROTECT YOURSELF FROM RECRUITMENT FRAUD
The only way to apply for a position at Amrize is through our official Careers website. Be cautious of unsolicited offers or requests for information from other sources. Learn how to protect yourself from recruitment fraud here: Fraudulent Job Offers Policy