CI Manager

Company Description Cornerstone Building Brands is a leading manufacturer of exterior building products for residential and low-rise non-residential buildings in North America. Headquartered in Cary, N.C., we serve residential and commercial customers across the new construction and Repair & Remodel (R&R) markets. Our market-leading portfolio of products spans vinyl windows, vinyl siding, stone veneer, metal roofing, metal wall systems and metal accessories. Cornerstone Building Brands’ broad, multi-channel distribution platform and expansive national footprint includes more than 18,800 team members at manufacturing, distribution and office locations throughout North America. Corporate stewardship and Environmental, Social and Governance (ESG) responsibility are embedded in our culture. We are committed to contributing positively to the communities where we live, work and play. For more information, visit us at http://cornerstonebuildingbrands.com . Job Description Position Summary: The Manager, Continuous Improvement leads the development, deployment, and sustainment of Lean and continuous improvement initiatives across the windows and doors manufacturing facility. This role advances operational excellence through structured problem-solving, Kaizen events, process optimization, and capability building. The Manager leads a Continuous Improvement Specialist and partners closely with Operations, Quality, Supply Chain, Environmental Health and Safety (EHS), Engineering, and Maintenance to deliver measurable improvements in safety, quality, delivery, cost, and employee engagement. Essential Duties and Responsibilities: Lean Strategy and Culture Lead the plant's Lean transformation roadmap and align priorities with Cornerstone Building Brands' enterprise continuous improvement strategy. Champion a culture of waste elimination, standardization, accountability, and employee engagement at all levels of the organization. Facilitate cross-functional alignment on improvement priorities, resource needs, and implementation plans. Coach and develop the Continuous Improvement Specialist and other CI practitioners to strengthen execution, analytical capability, and ownership of results. Improvement Projects and Problem-Solving Plan, facilitate, and ensure follow-through on Kaizen events focused on throughput, changeover reduction, scrap reduction, ergonomics, material flow, and other operational priorities. Conduct value stream mapping, time studies, process observations, and root-cause analysis to identify and prioritize improvement opportunities. Manage the plant's CI project pipeline, including project charters, owners, milestones, risks, timelines, and financial impact tracking. Apply structured problem-solving and basic Six Sigma methods, statistical process control (SPC), and data analysis to improve process capability and decision-making. Partner with Engineering and Maintenance to optimize equipment performance, improve reliability, and reduce planned/unplanned downtime and support new product/process launches. Lean Systems and Sustainment Deploy and reinforce Lean tools and systems, including 5S, Kanban, Total Productive Maintenance (TPM), Gemba walks, visual management, and daily management systems. Ensure improvements are sustained through documented standard work, clear ownership, visual controls, training, and layered process audits. Coach supervisors and team leads on daily accountability, escalation, leader standard work, and continuous improvement behaviors. Training and Capability Building Develop and deliver hands-on training in Lean fundamentals, problem-solving, process mapping, and continuous improvement tools for hourly and salaried employees. Build a strong pipeline of CI practitioners and improvement leaders across the plant. Promote employee participation in identifying problems, testing countermeasures, and sustaining gains. Performance Measurement and Communication Track, validate, and report CI performance me…

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