Process Engineer, BB-SI
Flex
- Location
- USA, CA, Milpitas
- Work model
- On-Site
- Level
- Mid
- Posted
- Sep 4, 2026
About this role
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. GZ27 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