Maintenance Supervisor

Exempt

Oldcastle Infrastructure™, a CRH company, is the leading provider of utility infrastructure solutions for the water, energy, and communications markets throughout North America. We’re more than just a manufacturer of precast concrete, polymer concrete, or plastic products. We’re a trusted and strategic partner to engineers, contractors, distributors, specifiers, and more. With our network of more than 80 manufacturing facilities and more than 4,000 employees, we’re leading the industry with innovation and a safety-first mindset.

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Job Summary

The Maintenance Supervisor is responsible for overseeing the maintenance team and ensuring the optimal performance of plastic injection molding machines, auxiliary equipment, and facility infrastructure. This role involves planning, coordinating, and executing preventive and corrective maintenance activities to minimize downtime and support production efficiency.

Job Location

This is an onsite position located in Middlefield, OH.

Job Responsibilities

• Maintains safe working conditions and drives a safety-first mindset, especially as it relates to working on equipment and using tools and machinery.
• Supervise and lead a team of maintenance technicians across multiple shifts.
• Schedule and oversee preventive maintenance for injection molding machines, robotics, chillers, dryers, and other related equipment.
• Troubleshoot and resolve mechanical, electrical, hydraulic, and pneumatic issues.
• Maintain accurate records of maintenance activities, equipment history, and spare parts inventory.
• Collaborate with production and engineering teams to support continuous improvement initiatives.
• Ensure compliance with safety regulations and company policies.
• Train and mentor maintenance staff to enhance technical skills and promote a culture of accountability.
• Manage maintenance budgets and recommend cost-effective solutions.
• Coordinate with vendors and contractors for specialized repairs or installations.

Job Requirements

• High school diploma or GED required; technical degree or certification preferred.
• Minimum of 5 years of experience in industrial maintenance, with at least 2 years in a supervisory role.
• Strong knowledge of plastic injection molding processes and equipment.
• Strong working knowledge of electrical and hydraulic systems.
• Proficiency in reading mechanical and electrical schematics.
• Excellent leadership, communication, and organizational skills.
• Ability to work in a fast-paced, high-volume manufacturing environment.

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 Infrastructure, 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.