At Lhoist North America, our core values of Respect, Courage, and Integrity are more than words. We respect people, encourage courageous innovation, and uphold integrity in everything we do. If these principles resonate with you, you may find your next great opportunity with us. We believe our people make the difference. That’s why we invest in talent by offering meaningful opportunities to grow your skills, expand your knowledge, and pursue your interests. Our work environment prioritizes safety, fosters collaboration across teams, and embraces inclusion. Here, you’ll be challenged to grow, and you’ll be supported throughout your career journey. Join us and help shape the future of Lhoist North America. POSITION SUMMARY: The Mechanical Maintenance position is responsible for safely performing inspections, preventative maintenance, troubleshooting, repairs, and rebuilds on plant and quarry equipment to support reliable and efficient operations. This role plays a critical part in maximizing equipment uptime, maintaining production goals, and supporting continuous improvement efforts in a heavy industrial environment. RESPONSIBILITIES & EXPECTATIONS: Safety & Compliance Comply with all company, MSHA, and regulatory safety policies and procedures at all times. Conduct and document workplace inspections and report unsafe conditions. Follow all environmental, safety, and housekeeping standards. Follow lockout/tagout (LOTO) procedures and verify zero energy state prior to performing maintenance activities. Maintenance Execution Perform preventive, predictive, and corrective maintenance on plant equipment. Disassemble, repair, and rebuild crushing, screening, and conveying equipment. Install, maintain, and align mechanical components including bearings, belts, chains, and rotating equipment. Install and support pneumatic and hydraulic systems. Perform basic welding, torch cutting, and acetylene work as needed to support maintenance and repair activities. Participate in continuous improvement and reliability initiatives to improve equipment uptime and maintenance efficiency. Troubleshooting & Repair Diagnose mechanical issues and perform timely repairs to minimize downtime. Troubleshoot hydraulic, pneumatic, and environmental systems. Utilize precision tools (e.g., micrometers, dial indicators) to support accurate diagnostics and repairs. Equipment Installation & Alignment Install and align new equipment using proper mechanical techniques and tools. Perform shaft alignments and equipment setup with precision alignment tools. Support rigging and lifting activities during installation and maintenance. Work Management & Documentation Complete work orders, inspections, and maintenance reports accurately and in a timely manner. Participate in work order initiation and planning processes. Ensure proper use and tracking of inventory parts and materials. General Maintenance Support Maintain assigned tools and ensure proper use of company-provided specialty tools and equipment. Maintain clean and organized work areas and tools while proactively identifying and addressing maintenance, safety, and housekeeping needs. Operate mobile equipment as required to support maintenance activities. Support plant outages and assist with major repairs or projects. Perform other duties as assigned. REQUIRED ATTRIBUTES: Strong commitment to safety, PPE compliance, and housekeeping standards. Ability to work safely in hot, dusty, noisy industrial environments. Solid mechanical aptitude with strong troubleshooting and problem-solving skills. Ability to read and interpret blueprints, mechanical drawings, and technical documents. Ability to follow written and verbal instructions and adapt to changing priorities. Ability to work independently and as part of a team. Ability to manage multiple tasks and meet deadlines in a fast-paced environment. Willingness and ability to learn new equipment, systems, and processes. Dependable with consistent attendance and punctuality. Basic reading, math, and computer skills. ESSENTIAL FUNCTIONS & PHYSICAL DEMANDS INCLUDE, BUT ARE NOT LIMITED TO: Maintain regular and reliable attendance and punctuality; to include flexibility in working shifts, overtime, weekends, holidays, on‑call and during plant outages. Perform maintenance work in plant and quarry environments, including indoor and outdoor settings. Perform physically demanding work for extended periods, including standing, bending, walking, climbing, stooping, kneeling, balancing, sitting and reaching. Access all areas of the site, including climbing stairs and ladders, working at heights up to approximately 120 feet, entering confined spaces and accessing tunnels. Work safely around high temperature kiln systems, moving equipment, conveyors, and mobile equipment. Work in environments with exposure to extreme temperatures, noise, vibration, dust, fumes, oils, and lime/mineral particles. Use hands and tools for precision mechanical work and equipment repair. Ability to see, hear, communicate, and maintain situational awareness in an industrial environment. Ability to occasionally lift and/or carry up to 50 pounds. Ability to push and pull a maximum force of 50 pounds of force. The essential functions and physical demands described above are representative of those required to successfully perform this role, with or without reasonable accommodation. REQUIRED EDUCATION: High School Diploma or GED equivalent. Completion of an apprenticeship program, technical program, or equivalent experience in industrial environment. PREFERRED EDUCATION: Advanced technical training or certification in industrial maintenance. REQUIRED EXPERIENCE: 3–5 years of mechanical maintenance experience in heavy manufacturing, mining, or industrial environments. Experience with welding, equipment alignment, and mechanical troubleshooting. Experience reading blueprints and mechanical drawings. PREFERRED EXPERIENCE: Prior experience working around kilns, conveyors, or heavy equipment. Intermediate computer skills (e.g., MS Office, SAP or similar systems). Lhoist North America is proud to offer a highly competitive compensation package designed to support your well-being and future. Our benefits include comprehensive medical, dental, vision, life, and disability insurance, along with paid vacation and sick time. We also offer an attractive 401(k) Retirement Savings Plan with a generous Employer Match as well as a Supplemental Contribution based on your Years of Service to help you plan confidently for the future. We recognize that growth doesn’t stop at the workplace. That’s why we provide educational assistance to encourage continued learning and professional development, empowering our employees to reach their full potential. At Lhoist North America, your success is our investment. Lhoist North America is proud to be an Equal Opportunity Employer. We are committed to fostering a workplace that values inclusion, respect, and diversity. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status. We believe that a diverse and inclusive environment strengthens our teams and drives innovation. That’s why we encourage individuals from all backgrounds to apply and strive to ensure every employee feels respected, supported, and empowered to succeed. At Lhoist North America, inclusion isn’t just a policy, it’s a core part of who we are. If you need assistance completing the application process, please contact lna.accommodations@lhoist.com. This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. The Lhoist Group is a family-owned business and one of the world’s leading lime, dolime, and mineral solutions producers. Our people are at the heart of our operations. The company’s global success comes from our teams’ continuous efforts to innovate and seek out new opportunities, at every level of the business. Curious to learn more about us? Visit lhoist.com

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