Plant General Manager

AP Emissions Technologies

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.

What You'll Do

As the Plant General Manager, you will serve as the on-site executive leader for AP Emissions Technologies' new 208,000-square-foot facility in Apex, North Carolina. You will lead the site's start-up, production ramp-up, and long-term operational performance across manufacturing, engineering, maintenance, automation, supply chain, quality, logistics, EHS, and people development.

This is a high-impact leadership role with end-to-end accountability for site performance, from facility commissioning and team development through customer-ready production and shipment. You will establish the operating foundation for a new manufacturing facility while building a high-performing team and delivering on safety, quality, delivery, productivity, and financial objectives.

Day-to-Day Responsibilities

• Lead and develop cross-functional teams across production, engineering, maintenance, automation, supply chain, quality, logistics, and EHS
• Establish organizational structure, clear accountability, performance expectations, and site governance
• Build manufacturing career paths, succession plans, mentoring programs, and performance management practices
• Establish a safety-first, continuous-improvement culture across all shifts
• Lead manufacturing operations for cordierite ceramic substrate production, automated DPF/DOC/TWC catalyst coating, and automated substrate encapsulation
• Develop and execute production, staffing, resource allocation, capacity, and ramp-up plans to meet customer demand
• Own site performance across key metrics including output, OEE, on-time delivery, scrap, yield, conversion cost, inventory, and quality
• Apply Lean and continuous-improvement methodologies to eliminate bottlenecks, reduce waste, and improve throughput
• Partner with R&D and technical teams to transition products from laboratory and pilot stages into stable, scalable mass production
• Lead engineering and maintenance strategy, including equipment lifecycle management, commissioning, capital projects, retrofits, and process improvements
• Improve equipment reliability and reduce unplanned downtime across production assets and plant utilities
• Partner with automation and process teams to stabilize manufacturing systems and establish standard work
• Own site environmental, health, and safety performance and compliance with OSHA, North Carolina requirements, and corporate standards
• Lead supply chain, inventory control, warehousing, material receipt, and finished-goods logistics
• Mitigate supply risks associated with ceramics, washcoat materials, and precious-metal-related inputs
• Own the site operating budget and financial performance across labor, energy, materials, overhead, and conversion costs
• Lead cost-reduction, value engineering, yield improvement, and waste-reduction initiatives
• Monitor performance against budget, identify variances, and communicate results, risks, and mitigation plans to the Division President
• Serve as the primary site contact for regulators, authorities, key suppliers, and visiting OEM and industrial customers
• Partner with division and technical leadership on capital projects, process scale-up, new product readiness, customer delivery, and quality initiatives

Cross-Functional Partners

• Division and corporate leadership
• Production, engineering, maintenance, automation, and technical teams
• Supply chain, logistics, and quality teams
• R&D and product development
• EHS and human resources
• OEM and industrial customers
• Key suppliers, regulators, and external partners

Ownership

• End-to-end operational and financial performance of the Apex facility
• Plant start-up, production ramp-up, and long-term manufacturing performance
• Safety, quality, delivery, productivity, and cost performance
• Organizational development, talent management, and succession planning
• Manufacturing capacity, equipment reliability, and operational readiness
• Regulatory, environmental, and corporate compliance

Project Work

• Lead the commissioning and start-up of the new 208,000-square-foot manufacturing facility
• Develop and execute production ramp-up and capacity expansion plans
• Lead equipment commissioning, capital projects, retrofits, and process improvements
• Support new product launches and transition products from pilot production to full-scale manufacturing
• Implement Lean and continuous-improvement initiatives to improve yield, throughput, and cost
• Develop and implement systems, processes, and standard work to support scalable plant operations

Education & Experience

• Bachelor's degree in Engineering, Materials Science, Industrial Engineering, or a related technical discipline required; MBA preferred
• 10+ years of progressive manufacturing leadership experience in U.S.-based heavy or advanced manufacturing
• At least 5 years of experience as a Plant Manager or equivalent senior site leader
• Demonstrated experience leading a greenfield or brownfield plant start-up and production ramp-up
• Experience in chemical manufacturing, automotive components, emissions manufacturing, or a closely related industry
• Experience leading large, cross-functional organizations spanning production, maintenance, quality, supply chain, and EHS
• Proven accountability for multimillion-dollar operating and capital budgets
• Demonstrated success delivering improvements in cost, yield, productivity, and operational performance
• Experience with automotive quality systems such as IATF 16949 and OEM manufacturing expectations preferred
• Lean or Six Sigma certification, PMP, or other formal project-management credential preferred

Technical Knowledge

• Strong knowledge of Lean manufacturing and continuous-improvement methodologies
• Deep understanding of high-volume, automated manufacturing environments
• Working knowledge of manufacturing quality systems and automotive OEM expectations
• Understanding of U.S. manufacturing regulations, OSHA requirements, and North Carolina environmental and safety requirements
• Experience with ERP/MES systems, operational reporting, budgeting, and data analysis
• Strong understanding of manufacturing engineering, automation, equipment reliability, and plant maintenance

Hard Skills

• Plant operations and manufacturing leadership
• Greenfield/brownfield facility start-up and production ramp-up
• Lean manufacturing and continuous improvement
• Budget and P&L management
• Capital planning and project execution
• Manufacturing engineering and automation
• Supply chain and inventory management
• Quality systems and regulatory compliance
• Operational KPI management and data analysis
• Talent development and organizational design

Soft Skills

• Strong business acumen and results-oriented mindset
• Ability to build, develop, and inspire large, diverse manufacturing teams
• Data-driven decision-making and sound operational judgment
• Ability to balance safety, quality, delivery, and cost priorities
• Strong communication, presentation, and stakeholder-management skills
• Hands-on leadership style with a strong presence on the shop floor
• Ability to make effective decisions in a fast-paced, ambiguous start-up environment
• Strong collaboration skills across technical, operational, and corporate teams

What You'll Gain

Impact & Contributions

• Lead the launch and long-term success of a new 208,000-square-foot manufacturing facility
• Build the organizational and operational foundation for a significant new manufacturing operation
• Directly influence safety, quality, productivity, customer delivery, and financial performance
• Play a key leadership role in the continued growth of AP Emissions Technologies

Career Growth

• Executive-level visibility within AP Emissions Technologies and Marmon Holdings
• Opportunity to build and lead a large, multidisciplinary manufacturing organization
• Exposure to advanced manufacturing, automation, emissions technology, and new product development
• Opportunities to influence broader operational strategy and continuous improvement

Benefits & Culture

• Competitive compensation and benefits
• Collaborative, hands-on leadership environment
• Opportunities for professional growth and development
• Opportunity to make a meaningful impact within a growing global organization

Work Environment & Travel

• This role is based on-site in Apex, North Carolina, with regular shop-floor presence across shifts. Occasional domestic travel may be required.
• Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law.