Maintenance Supervisor

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Johns Manville is a leading manufacturer and marketer of premium-quality insulation and commercial roofing, along with glass fibers and nonwovens for commercial, industrial and residential applications. Our products are used in a wide variety of industries including building products, aerospace, automotive and transportation, filtration, commercial interiors, waterproofing and wind energy.

A proud member of the Berkshire Hathaway family of companies, we serve customers in more than 80 countries around the globe. We are committed to delivering positive and powerful experiences, because we are successful only when our employees and customers thrive. We are passionate, we care about people, we perform at a superior level, and we protect others and our environments.

$75,800.00-$ Annual
This is the base salary pay range that an applicant can expect to make upon hire. Pay within this range will vary based upon relevant experience, skills, and education among other factors. In addition, this position is eligible for an incentive bonus.

The Maintenance Supervisor plays a key role in ensuring the reliability and efficiency of all equipment, property, buildings, and facilities within the manufacturing plant. This position is responsible for leading the maintenance team, overseeing day-to-day operations, and partnering closely with production, engineering, and safety departments to support smooth and safe plant operations.

Johns Manville’s Defiance, Ohio facilities are a leading producer of fiberglass insulation and specialty materials serving global markets, including aerospace, automotive, HVAC, and industrial applications. With approximately 500 employees across two manufacturing plants, a warehouse, and a regional sales office, the site produces a diverse range of products—from Micro-Lok® pipe insulation and aerospace materials to filtration, appliance insulation, and wallboard components.

Our advanced glass manufacturing technologies support innovation and quality for customers worldwide.

• Act as technical expert in regards to mechanical equipment
• Supervise, set direction, and delegate daily work of assigned hourly mechanical and electrical employees to support the plant goals of safety, environmental and production
• Lead safety process, training for crews and accident investigations
• Monitor safety and environmental processes and compliance
• Identify, isolate and facilitate resolution of maintenance performance issues such as quality of work and work efficiency
• Troubleshoot process equipment operational problems and maintain, repair, and upgrade plant equipment
• Identify and execute ways to track metrics of performance and improve production levels of employees
• Share knowledge and business experience with Plant management team
• Manage projects including obtaining contractor quotes, design help and directing contractor crews
• Facilitate training of maintenance personnel
• Identify, implement, and maintain best maintenance and safety practices
• Conduct daily and monthly shift meetings
• Maintain and enforce good housekeeping strategies and methodologies
• Oversee the maintenance scheduling and work order system
• Manage the maintenance and operations of the mobile equipment fleet and storeroom inventory
• Manage hourly time and attendance process
• Assist with MRO purchasing issues through maintenance software
• May be required to perform other related duties as assigned

• High School/Technical School diploma with a minimum of 10 years of manufacturing experience in a mechanical and/or electrical maintenance role
• Bachelor’s degree in mechanical engineering or related field preferred with a minimum of 5 years’ experience managing an industrial maintenance hourly workforce
• Experience in preventative and predictive maintenance with demonstrated success in increasing equipment reliability
• Working knowledge of plant systems with the ability to troubleshoot and implement…