Operations Manager

Flex; Milpitas (CA); On-site; USD 110,000 - 150,000; Full time

Job summary

Flex is seeking an Operations Manager to lead day-to-day manufacturing operations in Milpitas, CA, overseeing SMT, PCBA, mechanical, backend, and cleanroom areas to ensure safe, efficient production aligned with SQDCI targets.

You will drive continuous improvement, coach a high-performing team, and coordinate with cross-functional partners to deliver on efficiency, quality, and delivery goals. A Bachelor’s degree and 5+ years in electronics manufacturing leadership are required.

Qualifications

• Bachelor’s degree in Engineering, Industrial Engineering, Operations Management, Manufacturing, Business, or related field; equivalent experience may be considered.
• 5+ years of manufacturing operations leadership experience within electronics manufacturing or a similar industry.
• Proven experience leading supervisors, team leads, and production teams in high‑volume environments.
• Strong knowledge of SMT, PCBA, system integration, mechanical assembly, backend manufacturing, and cleanroom operations.
• Expertise in Lean Manufacturing, Six Sigma, Kaizen, and continuous improvement methodologies; Lean Six Sigma certification preferred.
• Working knowledge of production planning, inventory control, quality systems, KPIs, and operational performance improvement.
• Proficiency with ERP, MES, and Microsoft Office applications; data-driven decision making.
• Strong leadership, communication, coaching, and team-building skills; EMS experience and IPC standards knowledge preferred.

Responsibilities

• Lead daily manufacturing operations across SMT, PCBA, mechanical assembly, backend assembly, and cleanroom production areas.
• Drive execution of production plans to achieve Safety, Quality, Delivery, Cost, and Inventory (SQDCI) objectives.
• Ensure production schedules are met while maintaining customer, regulatory, and quality compliance.
• Monitor and improve key operational metrics, including throughput, OEE, productivity, FPY, labor efficiency, and inventory performance.
• Partner with cross-functional teams to resolve operational challenges and support business growth initiatives.
• Implement continuous improvement initiatives using Lean Manufacturing, Six Sigma, Kaizen, and visual management principles.
• Develop workforce capabilities through coaching, training, performance management, and succession planning.
• Lead problem-solving, corrective actions, capacity planning, NPI, and resource allocation to drive operational excellence.

Skills

Lean Manufacturing

Six Sigma

Kaizen

Leadership

ERP/MES

SMT/PCBA

Data-driven decisions

Cross-functional collaboration

Education

Bachelor's degree in Engineering

Tools

ERP

MES

Microsoft Office

Job description

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.

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 an Operations Manager located in Milpitas, California.

The Operations Manager will lead day‑to‑day manufacturing operations across multiple production areas, including SMT, PCBA, mechanical assembly, backend assembly, and cleanroom operations, ensuring the safe, efficient, and cost‑effective execution of production plans. This role is responsible for achieving operational performance targets related to safety, quality, delivery, productivity, inventory, and customer satisfaction while developing a high-performing team focused on continuous improvement and operational excellence.

What a Typical Day Looks Like

• Lead daily manufacturing operations across SMT, PCBA, mechanical assembly, backend assembly, and cleanroom production areas.
• Drive execution of production plans to achieve Safety, Quality, Delivery, Cost, and Inventory (SQDCI) objectives.
• Ensure production schedules are met while maintaining customer, regulatory, and quality compliance.
• Monitor and improve key operational metrics, including throughput, OEE, productivity, FPY, labor efficiency, and inventory performance.
• Partner with cross-functional teams to resolve operational challenges and support business growth initiatives.
• Implement continuous improvement initiatives using Lean Manufacturing, Six Sigma, Kaizen, and visual management principles.
• Develop workforce capabilities through coaching, training, performance management, and succession planning.
• Lead problem‑solving, corrective actions, capacity planning, new product introductions (NPI), and resource allocation to drive operational excellence.

The Experience We're Looking To Add To Our Team

• Bachelor’s degree in Engineering, Industrial Engineering, Operations Management, Manufacturing, Business, or a related field; equivalent experience may be considered.
• 5+ years of manufacturing operations leadership experience within electronics manufacturing or a similar industry.
• Proven experience leading supervisors, team leads, and production teams in high‑volume manufacturing environments.
• Strong knowledge of SMT, PCBA, system integration, mechanical assembly, backend manufacturing, and/or cleanroom operations.
• Expertise in Lean Manufacturing, Six Sigma, Kaizen, and continuous improvement methodologies, with Lean Six Sigma certification preferred.
• Working knowledge of production planning, inventory control, quality systems, manufacturing KPIs, and operational performance improvement.
• Proficiency with ERP, MES, and Microsoft Office applications, along with the ability to make data‑driven decisions in a fast‑paced environment.
• Strong leadership, communication, coaching, and team‑building skills, EMS experience, and knowledge of IPC standards or regulated manufacturing environments are preferred.

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 [e-mail] 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).