Who We Are
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.
Pay Range
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.
At Johns Manville, we are committed to delivering high-performance materials and building a stronger, more sustainable future. We’re looking for a dynamic Plant Manager to lead our Milan, Ohio Roofing facility—someone who thrives on developing people, driving operational excellence, and creating a culture rooted in safety, accountability, and continuous improvement.
What You’ll DoAs Plant Manager, you will own the performance and culture of the facility, leading all aspects of operations and owning all functions of a manufacturing facility including Environmental, Health & Safety, Human Resources, Finance, SIOP, Maintenance, Capital and Physical Distribution.
Leadership & Culture- Provide clear direction, purpose, and vision to a leadership team of 10 direct reports, and approximately 120 indirect reports
- Foster a culture of open communication and engagement
- Champion JM’s values, with a strong focus on safety and environmental stewardship
- Implement recommendations, drive change initiatives, recognize customer commitment and drive activity for continued quality improvement
- Ensure alignment of plant goals with business objectives and SIOP plans
- Optimize productivity, efficiency, quality, and delivery performance
- Own plant financial performance and identify opportunities for improvement
- Lead capital investment planning to expand capacity and capabilities
- Coordinate resources and operations to meet both short and long-term goals
- Ensure full compliance with EHS standards and regulatory requirements
- Represent Johns Manville within the local community and with external agencies
- Bachelor’s degree or equivalent experience
- 8+ years of progressive leadership in manufacturing operations. Equivalent combinations of education and experience will be considered
- Previous Plant Manager experience preferred
- Proven ability to lead teams, including direct leadership of managers and large employee populations
- Strong background across plant functions: production, engineering, maintenance, quality, and warehousing
- Exceptional communication and interpersonal skills—you connect, influence, and inspire at every level
- Demonstrated ability to set direction, prioritize, and execute in a fast-paced environment
- Strong financial and business acumen
- Experience in maintaining a non-union workforce
- Experience with Lean, Six Sigma, or similar continuous improvement methodologies
- Experience with EHS programs, regulatory compliance, and capital project management
- Make an Impact – Lead a critical manufacturing operation with visible business impact
- People First Culture – We invest in our employees and their growth
- Innovation Driven – Be part of a company focused on continuous improvement and sustainability
- Competitive Rewards – Comprehensive compensation and benefits package
- Combination of office and manufacturing floor environment
- Exposure to typical plant conditions (noise, temperature, equipment, etc.)
- Minimal travel (~10–30 days per year)
#LI-DNI
Please Keep in Mind
If you do not meet 100% of these requirements, we at JM still want to hear from you. So, if you are interested in the role, we encourage you to apply so we can learn how your skills and talents can contribute to our team.
Benefits
Johns Manville (JM) offers a wide range of benefits to employees. Some are subsidized by the company and others are fully employee-paid. Health benefits include a choice of comprehensive medical plans, a dental plan, vision plan, wellness program and critical illness insurance. JM sponsors a 401(k) plan which includes a sizeable company match. JM offers paid vacation and also provides paid sick and parental leave for eligible employees.
Additionally, Johns Manville provides basic life Insurance, short-term and long-term disability coverage, an employee assistance program, and business travel accident coverage. Supplemental life insurance and accidental death and dismemberment insurance are available as well. The company also offers a variety of tax saving accounts; health spending account, traditional flexible spending account, and a dependent care spending account. JM also offers a tuition reimbursement program for undergraduate and certain graduate programs.
Johns Manville supports employee growth with vast educational opportunities and a company-wide mentoring program. This program pairs employees and leaders to grow skills, build stronger internal networks and strengthen the company’s succession planning process. Johns Manville also offers soft and hard skills training facilitated by internal and external presenters. Our talent management team prioritizes the holistic growth of our workforce.
Diversity & Inclusion
Johns Manville believes diversity and inclusion in our workplace is critical for the long-term success of our company. We are committed to retaining, developing and attracting a diverse workforce that fosters an inclusive work environment in which all employees are treated with dignity and respect. This is the right thing to do for our employees, our company and our communities.
Incumbent must be physically able to perform essential job functions. Reasonable accommodations may be made to enable individuals with disabilities to perform essential job functions.
We are proud to be an Equal Opportunity/Affirmative Action employer. We maintain a drug-free workplace and perform pre-employment substance abuse testing.
Skills Required
- Bachelor's degree or equivalent experience
- 8+ years of progressive leadership in manufacturing operations
- Previous Plant Manager experience
- Strong background across plant functions: production, engineering, maintenance, quality, and warehousing
- Exceptional communication and interpersonal skills
- Strong financial and business acumen
- Experience in maintaining a non-union workforce
- Experience with Lean, Six Sigma, or similar continuous improvement methodologies
- Experience with EHS programs, regulatory compliance, and capital project management
Johns Manville Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Johns Manville and has not been reviewed or approved by Johns Manville.
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Fair & Transparent Compensation — Pay is considered competitive for local markets and is often viewed as a relative strength compared with other aspects of the experience. Earnings potential in certain hourly and skilled roles is supported by overtime opportunities.
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Healthcare Strength — Health coverage is broad, including medical, dental, vision, low‑cost telemedicine, EAP, and wellness resources. Insurance quality stands out within the overall package.
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Retirement Support — A 401(k) with a company match is emphasized, and some hourly groups participate in a defined‑benefit pension, strengthening long‑term financial support. Together, these elements enhance the long‑term value of the package.
Johns Manville Insights
What We Do
At Johns Manville, we build on decades of experience to manufacture commercial roofing, premium-quality insulation and a variety of engineered products for our customers. We are proud to be part of Berkshire Hathaway, one of the most respected companies in the world. Our values of People, Passion, Perform and Protect drive the way we work as we strive to deliver positive and powerful JM Experiences to our employees and to our customers. Our company is based in Denver, CO, where you will also find our global research and development facilities. With over 8,000 employees and 44 manufacturing and sales locations across North America and Europe, we serve customers in over 80 countries. Our employees are united across business functions and work globally with other JM employees. We encourage you to explore what JM has to offer employees. It’s not just a job when you join JM; you join a JM family with unquestionable integrity and stability. We are PEOPLE champions! Our PASSION is in going the extra mile! We PERFORM at a superior level! And we PROTECT today to ensure tomorrow. Check out our current positions today, connect with a JM recruiter, follow us on LinkedIn, (@JohnsManville on Twitter and Facebook) and learn why we love working at JM!








