SMT 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 SMT Process Engineer located in Guadalajara, North Campus.

Reporting to the Process Engineering Manager the SMT Process Engineer is responsible for developing, optimizing, and sustaining SMT manufacturing processes to achieve world-class quality, productivity, and delivery performance. You will collaborate with Production, Quality, Test, and Engineering teams to drive process improvements, troubleshoot manufacturing challenges, and support new product introductions in a high-volume electronics manufacturing environment.

What a typical day looks like:

• Supervise technical activities in SMT processes and coordinate the team.
• Develop, optimize, and sustain SMT manufacturing processes.
• Create and maintain equipment programs for DEK, SPI, AOI, Pick & Place, and related SMT equipment.
• Develop and validate reflow profiles and solder paste processes.
• Analyze process capability (CPK) and implement corrective actions to improve process stability.
• Perform root cause analysis and troubleshooting of PCB assembly issues.
• Drive continuous improvement initiatives focused on yield improvement, cycle time reduction, and scrap reduction.
• Coordinate process validations, tooling development, and fixture implementation.
• Support engineering changes, process transfers, and new product introductions (NPI).
• Conduct capacity analysis, line balancing, and bottleneck identification.
• Develop manufacturing documentation, work instructions, visual aids, and process procedures.
• Ensure compliance with customer specifications, IPC standards, and manufacturing requirements.
• Collaborate with cross-functional teams to resolve production and quality issues.

• BA/BS mechatronic engineer, industrial engineer or similar.
• Sr experience in SMT Process Engineering within the electronics manufacturing industry.
• Hands-on experience with SMT processes including: Screen Printing, SPI, Pick & Place, Reflow, AOI, PTH Processes.
• Experience with stencil design and solder paste process optimization.
• Strong knowledge of IPC-A-610 standards.
• Experience performing process capability studies (CPK).
• Familiarity with Gerber files, CAD tools, and manufacturing documentation.
• Strong background in Root Cause Analysis, 8D, Fishbone, 5 Why, and DOE methodologies.
• Experience supporting NPI and process validation activities.
• Intermediate English communication skills.
• Availability shift.

• Competitive Salary.
• Life & Medical insurance.
• Christmas Bonus.
• Food Coupons.
• Saving Fund.
• Life Insurance.