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

Summary:

The Business Excellence Manager will be based in Fontana, Ca, reporting to the Director of Manufacturing.

Provides direct contribution to teams according to established policies and goals. Demonstrates skills in guiding and/or facilitating.

 

Responsibilities:

• Work as a change agent and drive lean and six sigma activities as defined in the GBE A3.
• Applying and deploying Flex Lean Enterprise Values across the entire organization.
• In charge of eliminating waste and creating value by reducing variation in the processes to achieve sustainable results throughout the organization and segment.
• Utilize Continuous Improvement (Kaizen) techniques, initiate process improvements, cycle time reductions, cost reductions and other activities aimed at reducing/eliminating non-value-added activities in the process.
• Drive and Yokoten the identified best practices based on the accord timelines.
• Create and validate processes/standards based on standard work and BPs.
• Conduct Industrial Engineering, lean and six sigma training and accelerate the proliferation of Lean Continuous Improvement culture throughout the organization by co-guiding and co-facilitating Lean Deployment.
• Perform assessment of CIMT Operation/Supply chain/Office and drive initiatives to close gaps.
• Diligently participate in the selection and executions of lean and six sigma projects.
• For assigned special project/segment/customer priorities to formulate and propose strategy of Lean.
• Transformation. Coach and facilitate Lean Transformation activities through Kaizen workshops and Small Group Activities.
• Incentive a participation and training of Flex Employees, Suppliers and Customers.

Qualifications:

• Typically requires 7+ years of related experience.
• Engineering Degree – Industrial Engineering preferred.
• Must be able to guide direct projects based on business initiatives and customer needs.
• Management skills and technical experience on Finance, HR, Materials and Operations activities.
• Demonstrates detailed expertise COMPLEX situations and multiple area.
• Comprehends the strategic impact of the function across sites.

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 09-02-2026 Job Posting End Date 11-06-2026

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.

$119,000.00 USD - $163,600.00 USD Annual

Job Category

Operational Excellence

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).