Process Engineer, BB-SI

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

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

To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a Process Engineer, BB-SI located in Milpitas, CA.

Reporting to the Engineering Manager, the Process Engineer, BB-SI will be responsible for developing, improving, and sustaining PCBA manufacturing processes with a strong focus on cost, quality, delivery, productivity, and yield improvements. This position will support process engineering activities across new product introduction, equipment implementation, process optimization, troubleshooting, and continuous improvement in a high-technology electronics manufacturing environment.

What a typical day looks like:

• Design, implement, and optimize manufacturing processes to meet quality, cost, delivery, and productivity objectives within established schedules and budgets.
• Partner closely with customers and cross-functional teams to define product specifications, equipment and tooling requirements, and provide Design for Manufacturing (DFM) recommendations.
• Lead new product introduction (NPI), technology transfers, and process qualification activities while supporting successful production ramp-ups.
• Develop, maintain, and update process documentation, work instructions, and manufacturing procedures in accordance with customer engineering change orders (ECOs).
• Design and implement tooling, fixtures, and manufacturing aids while utilizing statistical process analysis and continuous improvement methodologies to improve yield and reduce defects.
• Train and support production teams on new processes, technologies, and best practices, while serving as a key technical interface for both internal stakeholders and external customers.

The experience we’re looking to add to our team:

• Bachelor’s degree in Mechanical, Industrial, or related Engineering discipline with 3-5 years of experience in electronic server, communications, or electronics manufacturing environments.
• Experience supporting assembly and electro-mechanical manufacturing processes, including process development, optimization, validation, and sustaining engineering activities.
• Proficiency with SolidWorks and AutoCAD, with the ability to develop mechanical designs, tooling, fixtures, and manufacturing documentation in a professional engineering environment.
• Strong analytical and problem-solving skills with experience driving yield, quality, productivity, throughput, and cycle-time improvements using data-driven methodologies.
• Experience supporting new product introduction (NPI), process qualification, root cause analysis, corrective actions, and cross-functional manufacturing initiatives.
• Knowledge of Lean Manufacturing and Industrial Engineering principles, with proficiency in Microsoft Office applications and strong technical communication skills.

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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 10-27-2026 Job Posting End Date 12-27-2026

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.

$98,700.00 USD - $135,700.00 USD Annual

Job Category

Production EngineeringRelocation: Not eligible

Is Sponsorship Available?

NoFlex 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).