Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.

A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.

Job Summary

At Flex, we welcome people of all backgrounds. Our employees thrive here by living our values: we support each other as we strive to find a better way, we move fast with discipline and purpose, and we do the right thing always.

Through a respectful, inclusive and collaborative culture, a career at Flex offers the opportunity to make a difference, invest in your career growth and join our purpose to make great products that create value and improve people’s lives.

Job summary:

Flex intends to spin off its Cloud and Power Infrastructure segment into a new, independent publicly traded company, which we’re calling SpinCo, until the name is unveiled. The spin is planned for Q1 2027. If the intended spin occurs, this role will support SpinCo, which will focus on critical digital infrastructure, delivering end-to-end power and thermal management solutions for AI data centers and other mission-critical applications.

To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Business Excellence Manager located in Milpitas, California.

The Business Excellence Manager leads a team of Business Excellence Leaders and Technicians in driving operational excellence, continuous improvement, Lean transformation, process standardization, and productivity across L06, L10, and L11 manufacturing operations. Partnering closely with Operations, Engineering, Quality, Supply Chain, and Program Management teams, this role acts as a change agent to improve performance, quality, cost, delivery, and customer satisfaction through Lean, Six Sigma, Industrial Engineering, and data-driven decision-making while delivering sustainable business results aligned with organizational goals.

What a typical day looks like:

• Lead, coach, and develop a team of Business Excellence Leaders and Technicians supporting manufacturing operations and strategic initiatives.
• Drive a culture of continuous improvement through Lean, Six Sigma, Kaizen events, and employee engagement.
• Partner with Operations leadership to improve Safety, Quality, Delivery, Cost, Inventory, and Productivity performance.
• Lead site-wide operational excellence initiatives, including Value Stream Mapping and process transformation projects.
• Establish and govern standard work, best practices, visual management systems, and performance metrics.
• Improve labor productivity, capacity utilization, cycle times, and overall manufacturing efficiency.
• Lead cross-functional problem-solving efforts using root cause analysis and Lean Six Sigma methodologies.
• Drive sustainable operational improvements through data-driven decision-making, KPI management, and continuous performance reviews.

The Experience We're Looking to Add to Our Team

• 8+ years of experience in Manufacturing, Industrial Engineering, Business Excellence, Lean Transformation, or related fields.
• 3+ years of leadership experience managing engineers, technicians, analysts, or continuous improvement teams.
• Bachelor’s degree in industrial engineering, Manufacturing Engineering, Operations Management, Business Administration, or a related discipline.
• Proven success leading Lean transformations and delivering measurable operational improvements.
• Strong expertise in Lean Manufacturing, Six Sigma, Kaizen, Value Stream Mapping, Industrial Engineering, and Root Cause Analysis.
• Experience leading cross-functional initiatives and influencing stakeholders at all organizational levels.
• Advanced analytical skills with experience using KPIs, dashboards, business intelligence, and data-driven decision-making.
• Lean Six Sigma Green Belt certification required; Black Belt certification preferred.

Preferred Metrics Ownership

• Labor Productivity & Direct Labor Efficiency (DLE)
• Overall Equipment Effectiveness (OEE)
• Manufacturing Cycle Time & Throughput
• On-Time Delivery (OTD)
• Cost Reduction & Productivity Savings

Leadership Competencies

• Strategic Thinking
• Change Leadership
• Cross-Functional Collaboration
• Data-Driven Decision Making
• Continuous Improvement Mindset

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What you'll receive for the great work you provide:

• Full range of medical, dental, and vision plans
• Life Insurance
• Short-term and Long-term Disability
• Matching 401(k) Contributions
• Vacation and Paid Sick Time
• Tuition Reimbursement

Application Deadline:

Applications for this job position will be accepted for at least five days following the job posting start date below and continuing until the end date below or until the position is filled. This posting may close sooner due to application volume.

Job Posting Start Date 08-24-2026 Job Posting End Date

The base pay range for this position is provided below. The final base rate offered will be determined using job-related, non-discriminatory criteria, including but not limited to experience, qualifications, geographic location, education, external market data, and internal equity.

$110,000.00 USD - $151,200.00 USD Annual

Job Category

Operational Excellence

Relocation: Not eligible

Is Sponsorship Available?

No

Flex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email [email protected] and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Flex, you must complete the application process first).