General Manager

Marmon-Herrington Company

As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best.

The General Manager (GM) provides overall strategic and operational leadership for Marmon-Herrington, driving profitable growth, operational excellence, and customer satisfaction. With full profit and loss (P&L) accountability, this role oversees all functions of the business including sales, operations, engineering, quality, finance, and safety, while leading a team of ~30 employees and managing ~$27M in revenue. The GM builds and develops a high-performing leadership team, drives innovation and operational efficiency, ensuring high-quality standards, and ensures cross-functional collaboration to position Marmon-Herrington for long-term success in the heavy-duty drivetrain and mobility markets.

Key Responsibilities:

Strategic & Commercial Leadership

• Partner with the Company President and leadership team to define and execute the company’s strategy, goals, and growth agenda.
• Lead all business functions: sales, engineering, operations, and finance.
• Drive profitable growth through market expansion, product innovation, customer partnerships, and operational excellence.
• Develop budgets, operating plans, and KPIs that ensure accountability, financial discipline, and alignment with Marmon standards.

Financial & P&L Accountability

• Own full P&L responsibility, ensuring sustainable revenue growth, margin improvement, and cash flow performance.
• Monitor financial results, identify risks and opportunities, and adjust strategies to achieve short- and long-term targets.
• Maintain strong business controls, compliance, and governance practices.

Operational Excellence

• Oversee production, procurement, quality, engineering, and supply chain activities to ensure efficiency, cost-effectiveness, and delivery performance.
• Embed a culture of safety, quality, and continuous improvement throughout the business.
• Uphold and enforce strict quality standards to ensure products and services meet customer expectations and regulatory requirements.
• Establish and track performance metrics that drive accountability and operational results.

Process Improvement

• Identify and implement process improvements to enhance productivity, reduce costs, and improve quality.
• Drive initiatives to optimize resource allocation and capacity utilization across departments.

People & Organizational Leadership

• Build, develop, and retain a high-performing leadership team and workforce.
• Foster a culture of accountability, collaboration, and innovation across all functions.
• Provide mentorship, set clear expectations, and support professional development to strengthen organizational capabilities.

Customer & Market Focus

• Ensure products and services consistently meet customer expectations, industry standards, and regulatory requirements. Cultivate long-term customer and partner relationships that drive growth and loyalty.
• Advance product development and customer-driven solutions to maintain competitive advantage.

Risk & Compliance Management

• Ensure compliance with industry, legal, safety, and environmental regulations.
• Proactively identify and mitigate risks that could impact financial, operational, or reputational performance.

Key Competencies

• Strategic Leadership
• Financial Acumen
• Operational Excellence
• Quality & Commercial Focus
• Driving Innovation
• Leading Change & Transformation
• Decision-Making & Execution
• Bias for action
• Building Talent & Collaboration

Qualifications:

• Bachelor’s degree required; MBA or equivalent degree preferred.
• 10+ years of progressive leadership experience, ideally in heavy-duty vehicles, powertrain systems, or industrial manufacturing.
• Proven experience in a senior operational role, such as COO, GM, or Operations Director with full P&L ownership and delivering profitable growth preferred.
• Strong operational expertise combined with operational, commercial and financial acumen.
• Experience driving organizational change, Lean/CI initiatives, and cross-functional collaboration.
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