Group Category Manager - Indirect

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 Group Category Manager plays a critical role in maximizing the value of Johns Manville’s Indirect Category Spend by leading strategic sourcing and category management across Information Technology, Human Resources, Auto Fleet, Travel, and Marketing. This position directly influences JM’s cost structure, supplier performance, and operational resilience. Through expert negotiation, strategic supplier partnerships, and cross-functional collaboration, the Group Category Manager delivers measurable business value—driving cost optimization, reducing risk, strengthening compliance, and ensuring the organization has the right suppliers, at the right cost, delivering the right outcomes.

Success in this role is defined not only by operational excellence, but by the ability to unlock long-term strategic advantage for the enterprise.

Key to Success:

The successful Group Category Manager will:

Strategic Sourcing & Category Leadership

• Deliver competitive advantage through development and execution of strategic category plans aligned with business objectives and market intelligence.
• Lead cross-functional teams to gather meaningful requirements, ensure high-quality supplier responses, and drive effective supplier selection.
• Identify, validate, and implement cost-saving opportunities, driving measurable year-over-year improvements.

Contracting & Negotiation Excellence

• Negotiate and manage complex master agreements, statements of work, and long-term supplier contracts to ensure optimal pricing, quality, service, and terms.
• Provide fact-based recommendations to executive leadership and ensure contracts fully address compliance, quality, and performance expectations.

Supplier Performance & Relationship Management

• Establish strong supplier relationships, ensuring continuous improvement and acting as escalation point to resolve performance issues.
• Evaluate supplier financial stability and long-term viability to reduce operational and financial risk.

Governance, Compliance & Risk Management

• Partner with Legal to ensure cloud-based technology contracts include appropriate protections and meet data privacy requirements.
• Coordinate with Cyber Security to ensure supplier solutions meet JM’s security standards and undergo proper review throughout RFP and lifecycle processes.

Cross-Company Leadership

• Lead Berkshire Hathaway Leveraging Spend quarterly calls and annual conference, including oversight of collaboration tools and communication.
• Manage the North American travel program, including supplier contracts, policy compliance, and communication.

Process Improvement & Data-Driven Decision Making

• Support and champion simplification of Procure-to-Pay processes to enhance business experience and operational efficiency.
• Build and maintain financial models, dashboards, and reporting to support GP&L operations, including AOP planning.
• Conduct total cost of ownership analysis to support strategic recommendations.

Requirements:

Education & Experience

• Bachelor’…