Manufacturing Optimization Engineer III

About the role

M&M Manufacturing, a Marmon Holdings company that is part of Berkshire Hathaway, is one of the nation’s largest producers of sheet metal products for the air distribution and ventilation market. We manufacture a broad range of HVAC ductwork, fittings, and accessories for residential and commercial construction, with a strong commitment to safety, quality, continuous improvement, and customer success. As part of Marmon Holdings, Inc., a Berkshire Hathaway company, M&M Manufacturing combines the close-knit partnership of a smaller business with the resources and connectivity of a global organization. Here, people are encouraged to do work that matters, lead at every level, and win a better way through collaboration, continuous improvement, and meaningful results.

Responsibilities

• Participate in Gemba walks and evaluate manufacturing operations to identify process gaps, waste, and improvement opportunities.
• Map and improve end-to-end value streams to increase throughput, strengthen material flow, reduce waste, and improve process consistency.
• Lead Lean initiatives, Kaizen events, standard work development, root cause analysis, and other continuous improvement activities.
• Partner with plant managers and operational leaders to build alignment, support change adoption, and sustain improvements over time.
• Evaluate facility layouts, equipment utilization, tooling, work methods, and production processes to recommend practical improvements.
• Identify and scope automation opportunities based on validated operational needs, then collaborate with automation and technical resources through implementation.
• Translate data, observations, and stakeholder feedback into prioritized improvement roadmaps with clear goals, owners, and measurable outcomes.
• Use performance data and manufacturing metrics to guide decisions, track results, and communicate progress.
• Present findings, recommendations, implementation plans, and business impacts to plant and senior leadership.
• Contribute to the EZ Filter baseline project during the first 90 days, helping establish achievable goals, optimize the line layout, and prepare the process for future automation.

Requirements

• Bachelor’s degree in Industrial, Manufacturing, Mechanical, Systems Engineering, or a related field.
• Five or more years of experience in manufacturing engineering, process improvement, continuous improvement, manufacturing operations, or manufacturing transformation.
• Strong knowledge of Lean manufacturing, value stream mapping, standard work, root cause analysis, and waste reduction methods.
• Demonstrated experience implementing process improvements and helping teams adopt operational changes.
• Project management experience with the ability to independently manage priorities and drive work through completion.
• Experience supporting automation-related initiatives by defining process requirements, validating benefits, or coordinating with technical resources.
• Working knowledge of AutoCAD and intermediate Microsoft Excel skills, including data analysis.
• Strong analytical, problem-solving, facilitation, communication, and interpersonal skills.
• Ability to