Process Improvement Manager

Who We Are

Lennox (NYSE: LII) Driven by 130 years of legacy, HVAC and refrigeration success, Lennox provides our residential and commercial customers with industry‑leading climate‑control solutions. At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services. Our culture guides us and creates a workplace where all employees feel heard and welcomed. Lennox is a global community that values each team member’s contributions and offers a supportive environment for career development.

Come, stay, and grow with us.

The Process Improvement Manager leads a team responsible for driving continuous improvement across the Stuttgart facility. This role partners with cross‑functional leaders to identify performance gaps, analyze current processes, and implement sustainable improvements that enhance safety, quality, delivery, and cost. The manager utilizes Lean Six Sigma and data‑driven problem‑solving to support business objectives, improve process capability, and strengthen daily operational performance.

This position works closely with senior leadership to promote a culture of continuous improvement and ensure alignment with overall business strategy.

• Lead continuous improvement initiatives using Lean and Six Sigma methodologies.
• Directly manage and develop a small CI team.
• Partner with Production, Engineering, Quality, and Maintenance to identify and close process gaps.
• Analyze workflows, identify improvement opportunities, and implement optimized solutions.
• Facilitate Kaizen events, value stream mapping, root‑cause analysis, and standardized work improvements.
• Track project impact and communicate results to site leadership.
• Coach leaders and teams on Lean principles and best practices.
• Support the deployment of daily management practices, problem‑solving tools, and performance metrics.
• Collaborate with cross‑functional teams, vendors, and customers when needed to support improvement projects.

• Bachelor’s degree in engineering, Operations, Business, or related field (or equivalent experience).
• 5–8 years of experience in manufacturing, operations, or continuous improvement.
• Strong working knowledge of Lean tools (VSM, 5S, Standard Work, Kaizen, problem‑solving).
• Proficiency with data analysis tools (Excel, Power BI, SPC).
• Strong communication skills with the ability to influence at all levels.
• Experience leading cross‑functional teams and delivering measurable improvement results.

• Experience in HVAC, high‑mix manufacturing, or metal assembly environments.
• Experience on lean transformation — 5 years.
• Coaching experience in continuous improvement or Lean practices.
• Six Sigma Black Belt or equivalent experience preferred.

Compensation: This is a salaried exempt role. The starting salary range for this role and market is between $117,000 – $153,000 annually. Factors that may affect starting salary include geography/market and the skills, education, experience, and other qualifications of the successful candidate. Employees in this role are also eligible for an annual bonus in accordance with the terms of the Company’s applicable plan.

Employees in this role are not eligible for overtime.

Benefits: Subject to applicable eligibility requirements, the following benefits are offered for this role: tuition reimbursement; medical, dental, and vision insurance; prescription drug coverage; 401(k) retirement plan; short‑term disability insurance; 8 weeks paid birthing leave; 2 weeks paid bonding leave; life and long‑term disability insurance. Depending on date of hire, and subject to applicable eligibility requirements, new employees in this role also receive up to: 12 days paid time off, 2 paid well‑being days, 1 paid volunteer day, 12 paid holidays, and 3 floating holidays per year.

Our Culture: At Lennox, our Core Values of Integrity, Respect & Excellence are ingrained in the fabric of the organization. They define our culture — which is about how we do business and how we treat others. Lennox is not just a workplace; we are a global community that values each team member’s contributions. As an equal opportunity employer, we are committed to recruit, develop, and retain talented individuals from a wide range of backgrounds, ensuring that everyone has the opportunity to succeed and contribute to our continued growth and success.

At Lennox, you’ll take pride in our brands, knowing you are part of something special. Come, stay, and grow with us!

Lennox reserves the right to modify compensation and benefits information at any time, with or without notice, subject to applicable law.