CRH
Job ID: 515893
Oldcastle® APG, a CRH Company, is North America’s leading provider of innovative outdoor living solutions that enable customers to Live Well Outside. The manufacturer’s portfolio of premier building products inspires endless possibilities while providing enduring outdoor spaces where people can connect, reflect and recharge. Award‑winning brands include Belgard® hardscape, Echelon® Masonry, MoistureShield® composite decking, RDI® railing, Catalyst™ Fence Solutions, Sakrete® packaged concrete, Amerimix® mortar, Pebble Technology International® pool finishes, Lawn & Garden mulches and landscape features, and Techniseal® sands and sealant technologies.
Job Summary Oldcastle APG is seeking a results driven Plant Manager to lead manufacturing operations at our dry mix plant in Mundelein, IL. This role is responsible for driving operational excellence, ensuring safety and quality standards, and leading a high‑performing production team. The ideal candidate will bring strong leadership, lean manufacturing expertise, and a passion for continuous improvement to support our long‑term business goals.
Job Location
This is an onsite role based in Mundelein, IL
Job Responsibilities
Oversee daily plant operations, ensuring efficiency, safety, and product quality
Plan and manage production schedules, work assignments, and resource allocation to meet output targets
Monitor key performance indicators (KPIs) and leverage dashboards to identify gaps and implement corrective actions
Lead root cause analysis for production issues and drive resolution strategies
Lead, mentor, and develop production supervisors and frontline teams
Foster a culture of accountability, collaboration, and continuous learning
Conduct regular performance evaluations and provide coaching and feedback
Champion a safety‑first culture and ensure compliance with OSHA and company safety standards
Conduct regular safety audits and implement corrective actions as needed
Support and enforce health, safety, and environmental policies
Identify and implement lean manufacturing principles to improve productivity and reduce waste
Drive process optimization and cost reduction initiatives
Evaluate and introduce new technologies and methods to enhance operational efficiency
Collaborate with site leadership to develop long‑term manufacturing strategies
Perform other duties as assigned to support plant operations and business objectives
Enter and maintain safety related data into Oldcastle programs
Assist in the preparation, submittal, and maintenance of permit applications to the proper regulatory controls
Use acceptable methods of inspecting sample and test aggregates, asphalt, concrete, or other materials for the purpose of quality control
Job Requirements
Bachelor’s Degree and/or 3+ years’ experience in a similar industry or a combination of education and experience
3+ years of experience in manufacturing management, preferably in building materials or a related industry
Proven leadership experience with the ability to inspire and motivate diverse teams
Strong knowledge of lean manufacturing, Six Sigma, and process improvement methodologies
Familiarity with ERP systems and data analysis tools; experience with SAP or similar platforms preferred
Excellent communication, problem‑solving, and organizational skills
Working knowledge of OSHA standards; OSHA 30 certification or willingness to obtain within 6 months
Compensation
Base salary is $100,000 - $110,000
Bonus eligible
What CRH Offers You
Highly competitive base pay
Comprehensive medical, dental and disability benefits programs
Group retirement savings program
Health and wellness programs
An inclusive culture that values opportunity for growth, development, and internal promotion
About CRH CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization.
If you’re up for a rewarding challenge, we invite you to take the first step and apply today! Once you click apply now, you will be brought to our official employment application. Please complete your online profile and it will be sent to the hiring manager. Our system allows you to view and track your status 24 hours a day. Thank you for your interest!
Oldcastle APG, a CRH Company, is an affirmative action and equal opportunity employer.
EOE/Vet/Disability
CRH is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law.
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Oldcastle® APG, a CRH Company, is North America’s leading provider of innovative outdoor living solutions that enable customers to Live Well Outside. The manufacturer’s portfolio of premier building products inspires endless possibilities while providing enduring outdoor spaces where people can connect, reflect and recharge. Award‑winning brands include Belgard® hardscape, Echelon® Masonry, MoistureShield® composite decking, RDI® railing, Catalyst™ Fence Solutions, Sakrete® packaged concrete, Amerimix® mortar, Pebble Technology International® pool finishes, Lawn & Garden mulches and landscape features, and Techniseal® sands and sealant technologies.
Job Summary Oldcastle APG is seeking a results driven Plant Manager to lead manufacturing operations at our dry mix plant in Mundelein, IL. This role is responsible for driving operational excellence, ensuring safety and quality standards, and leading a high‑performing production team. The ideal candidate will bring strong leadership, lean manufacturing expertise, and a passion for continuous improvement to support our long‑term business goals.
Job Location
This is an onsite role based in Mundelein, IL
Job Responsibilities
Oversee daily plant operations, ensuring efficiency, safety, and product quality
Plan and manage production schedules, work assignments, and resource allocation to meet output targets
Monitor key performance indicators (KPIs) and leverage dashboards to identify gaps and implement corrective actions
Lead root cause analysis for production issues and drive resolution strategies
Lead, mentor, and develop production supervisors and frontline teams
Foster a culture of accountability, collaboration, and continuous learning
Conduct regular performance evaluations and provide coaching and feedback
Champion a safety‑first culture and ensure compliance with OSHA and company safety standards
Conduct regular safety audits and implement corrective actions as needed
Support and enforce health, safety, and environmental policies
Identify and implement lean manufacturing principles to improve productivity and reduce waste
Drive process optimization and cost reduction initiatives
Evaluate and introduce new technologies and methods to enhance operational efficiency
Collaborate with site leadership to develop long‑term manufacturing strategies
Perform other duties as assigned to support plant operations and business objectives
Enter and maintain safety related data into Oldcastle programs
Assist in the preparation, submittal, and maintenance of permit applications to the proper regulatory controls
Use acceptable methods of inspecting sample and test aggregates, asphalt, concrete, or other materials for the purpose of quality control
Job Requirements
Bachelor’s Degree and/or 3+ years’ experience in a similar industry or a combination of education and experience
3+ years of experience in manufacturing management, preferably in building materials or a related industry
Proven leadership experience with the ability to inspire and motivate diverse teams
Strong knowledge of lean manufacturing, Six Sigma, and process improvement methodologies
Familiarity with ERP systems and data analysis tools; experience with SAP or similar platforms preferred
Excellent communication, problem‑solving, and organizational skills
Working knowledge of OSHA standards; OSHA 30 certification or willingness to obtain within 6 months
Compensation
Base salary is $100,000 - $110,000
Bonus eligible
What CRH Offers You
Highly competitive base pay
Comprehensive medical, dental and disability benefits programs
Group retirement savings program
Health and wellness programs
An inclusive culture that values opportunity for growth, development, and internal promotion
About CRH CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization.
If you’re up for a rewarding challenge, we invite you to take the first step and apply today! Once you click apply now, you will be brought to our official employment application. Please complete your online profile and it will be sent to the hiring manager. Our system allows you to view and track your status 24 hours a day. Thank you for your interest!
Oldcastle APG, a CRH Company, is an affirmative action and equal opportunity employer.
EOE/Vet/Disability
CRH is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law.
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