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. 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.

To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a Test Technician (NPI) located in Aguascalientes

Reporting to the Test Engineer / NPI Lead, this role is responsible for supporting New Product Introduction (NPI) activities by developing, validating, troubleshooting, and releasing test processes and equipment to production. This position plays a critical role in ensuring test readiness, process stability, and a successful transition from NPI to mass production.

What a typical day looks like:

• Duties performed in this role vary depending on the business unit, location, or product being manufactured. Duties may include, but are not limited to the following:
• Supports NPI builds, pilot runs, and validation activities, ensuring test readiness and execution
• Performs advanced troubleshooting and debug at system, subassembly, and PCBA level
• Analyses test failures, logs, and yield trends to identify root cause and implement corrective actions
• Configures and validates network communication (Ethernet, IP configuration, connectivity, ping validation) between units and test systems
• Supports test station bring-up, validation (FAT/SAT), and release to production
• Works with engineering to validate and improve test sequences, fixtures, and test coverage
• Contributes to the definition and improvement of test methods and processes for new products
• Provides technical leadership on the production floor, acting as escalation point for complex issues
• Supports operator training, certification, and development of manufacturing instructions (MPI)
• Ensures test processes comply with quality, safety, and production requirements
• Maintains equipment readiness and stability during NPI phase, supporting preventive maintenance activities

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

• Associate’s degree or equivalent experience with solid technical background in test or manufacturing environments

• Strong experience in test, troubleshooting, and NPI (pilot builds, ramp-up)

• Proven ability to troubleshoot at system, electrical, and functional levels

• Experience with test equipment (oscilloscope, multimeter, etc.) and network configuration (Ethernet, IPs)

• Ability to read and interpret schematics, technical drawings, and test documentation

• Strong skills in failure analysis, log interpretation, and root cause identification

• Experience supporting test station validation and release to production

• Ability to lead troubleshooting efforts and support technical escalations

• Intermediate English

What you’ll receive for the great work you provide:

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

Job Category

Production Engineering

Required Skills:

Optional Skills:

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 accessibility@flex.com 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).