Plant Manager

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. 

The Plant Manager is accountable for the overall performance of the Spartanburg manufacturing facility, delivering safe, efficient, and profitable operations. Success in this role is defined by measurable improvements in safety, productivity, financial performance, employee engagement, and operational excellence.

Key Performance Outcomes

1. Safety & Environmental Excellence

• Achieve and sustain zero lost-time incidents and continuous reduction in Total Recordable Incident Rate (TRIR).
• Ensure 100% compliance with environmental regulations, permits, and company policies.
• Lead initiatives that proactively reduce risk and improve workplace safety culture.
• Maintain a facility that meets or exceeds all internal and external safety audits.

2. Operational Performance & Productivity

• Deliver year-over-year productivity improvements (e.g., labor efficiency, throughput, and cost per unit).
• Achieve or exceed production targets, on-time delivery, and customer service goals.
• Implement and sustain Lean, Six Sigma, or equivalent continuous improvement systems with measurable gains.
• Improve overall equipment effectiveness (OEE) and reduce downtime through strong maintenance practices.

3. Financial Performance

• Meet or exceed annual plant budget targets for revenue, cost, and profit.
• Identify and execute cost-saving initiatives that improve margin performance.
• Effectively allocate resources and manage plant spending to maintain financial discipline.
• Deliver ROI on capital investments through increased capacity, efficiency, or product capability.

4. Leadership & Talent Development

• Build and develop a high-performing leadership team capable of achieving plant objectives.
• Strengthen bench strength by coaching, mentoring, and succession planning for key roles.
• Drive employee engagement and retention through a positive, inclusive, and accountable culture.
• Ensure all performance management activities (reviews, development plans, hiring, and terminations) are timely, fair, and aligned with business needs.

5. Continuous Improvement & Innovation

• Establish a culture focused on continuous improvement of people, processes, and technology.
• Lead cross-functional initiatives that enhance plant competitiveness and operational scalability.
• Implement new systems, tools, or processes that improve efficiency, quality, and responsiveness.
• Track and report performance metrics to drive data-based decision-making.

6. Strategic Execution & Capacity Growth

• Translate corporate objectives into actionable plant-level strategies and execution plans.
• Successfully implement capital projects that expand production capacity and capabilities.
• Align plant operations with Sales, Inventory, and Operations Planning (SIOP) to meet business demand.
• Ensure operational readiness to support growth, new products, and evolving customer requirements.

7. Culture, Collaboration & Stakeholder Engagement

• Foster a culture aligned with company values and a commitment to quality and customer satisfaction.
• Maintain strong collaboration across functions including HR, Finance, Supply Chain, and Engineering.
• Serve as the facility’s representative to external stakeholders, regulatory bodies, and the local community.
• Promote a culture of accountability, communication, and teamwork across all levels.

Scope of Responsibility

• Full leadership accountability for plant operations including EHS, HR, Finance, SIOP, Maintenance, Capital Projects, and Distribution.
• Direct leadership of approximately 100 hourly and salaried employees.
• Decision authority over staffing, budgeting, capital investments, and operational execution.

Success Profile (Experience & Capabilities)

Required Experience

• Bachelor’s degree or equivalent experience.
• 8+ years in manufacturing with increasing leadership responsibility.
• Proven experience leading multi-functional plant operations.
• Demonstrated success managing teams of 50+ employees (hourly and salaried).

Preferred Experience

• Prior Plant Manager experience.
• Experience in capital project management, regulatory compliance, and union-free environments.
• Strong track record in continuous improvement (Lean, Six Sigma, etc.).

Critical Competencies

• Strategic Leadership: Ability to set direction and align teams to business goals.
• Operational Excellence: Deep understanding of manufacturing processes and performance levers.
• Financial Acumen: Strong ability to analyze and improve financial performance.
• People Leadership: Proven ability to develop leaders and build high-performing teams.
• Change Management: Skilled at driving sustainable transformation and improvement initiatives.
• Communication & Influence: Effective across all levels, internally and externally.

Working Conditions

• Office and manufacturing environment exposure (including noise, temperature fluctuations, and physical activity).
• Ability to lift up to 50 lbs and navigate plant floor conditions.
• Moderate travel (approximately 11–29 days per year).

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.