PCBA Process Engineer

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 PCBA Process Engineer located in Milpitas, CA.

Reporting to the Director, Operations Engineering, the PCBA Process Engineer 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:

• Drive PCBA process development and optimization to improve quality, cost, delivery, and manufacturing efficiency.
• Evaluate product designs and manufacturing processes using DFX methodologies.
• Establish and sustain robust, repeatable process parameters for production.
• Lead troubleshooting efforts and implement corrective actions for process-related issues.
• Champion yield, productivity, throughput, cycle-time, and safety improvement initiatives.
• Support capital equipment selection, qualification, implementation, and new technology introduction.
• Develop and maintain process documentation, manufacturing standards, and statistical process controls.
• Partner with cross-functional teams to support new product introduction, technology transfers, and operator training...

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

• 8+ years of process engineering experience within high-technology electronics manufacturing.
• Bachelor’s degree in Engineering.
• Deep expertise in PCBA manufacturing processes, including SMT, stencil printing, SPI, pick-and-place, reflow soldering, wave/selective soldering, coating, underfill, and depanelization.
• Strong experience developing, optimizing, and sustaining manufacturing processes with a focus on yield, quality, throughput, and cycle time improvements
• Proven ability to troubleshoot complex process issues using statistical methods and root cause analysis tools.
• Experience supporting NPI, technology transfers, equipment qualification, and process validation in a high-volume manufacturing environment.
• Hands-on knowledge of process control, DOE, SPC, PFMEA, and continuous improvement methodologies to drive manufacturing excellence.
• Strong understanding of PCBA inspection and test methodologies, including AOI, X-ray, functional testing, component testing, and measurement systems.
• Demonstrated technical leadership with the ability to influence cross-functional teams, lead process improvement initiatives, and support strategic manufacturing objectives.

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 08-10-2026 Job Posting End Date 11-27-2026

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.

$167,600.00 USD - $230,500.00 USD Annual

Job CategoryProduction Engineering

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).