Functional Test Engineer

Flex; Milpitas (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

Flex is seeking a Functional Test Engineer in Milpitas, CA to support our teams that build great products. You will implement and maintain cost-effective testing methods for systems, software, and equipment in a fast-paced manufacturing environment.

Ideal candidates have 5–7+ years in electrical engineering or computer engineering with manufacturing experience, plus strong debugging, failure analysis, and test method skills. Leadership and cross-functional collaboration are valued.

Qualifications

• BS in Electrical Engineering or Computer Engineering required; MS preferred.
• 5–7+ years in Electrical Engineering or related electrical technologies.
• 5+ years of manufacturing experience.
• Ability to interpret complex technical instructions and diagrams.

Responsibilities

• Implement and maintain cost-effective methods of testing and troubleshooting systems, software, and equipment.
• Develop and improve functional test plans, diagnostics, and manufacturing test processes.
• Diagnose root causes from schematics, block diagrams, and circuitry.
• Mentor and collaborate with cross-functional teams to drive quality and yield improvements.
• Operate and validate diagnostic equipment such as oscilloscopes and DMMs in production.

Skills

Electrical Engineering

Test Engineering

Manufacturing

Leadership

Communication

Education

Bachelor of Science in Electrical Engineering

Master of Science in Electrical Engineering

Tools

Oscilloscopes

DMM

Automated Test Equipment

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.

Job Summary

To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a Functional Test Engineer located in Milpitas, CA. Reporting to the Test Engineering Manager the Functional Test Engineer will be responsible for implementing and maintaining cost-effective methods of testing and troubleshooting systems, software, and/or equipment.

• Strong experience in electrical manufacturing environments, with deep expertise in product debugging, failure analysis (FA), and troubleshooting of complex AI computing systems throughout the manufacturing lifecycle.
• Comprehensive understanding of AI product architecture, operating principles, product specifications, and functional test methodologies, with the ability to interpret electrical schematics, block diagrams, and circuitry for root cause identification and resolution.
• Hands-on proficiency with hardware, test software, and production test environments, including setup, validation, and operation of diagnostic equipment such as oscilloscopes, DMMs, and other automated test systems.
• Strong knowledge of electrical manufacturing processes, quality standards, safety regulations, and best practices to ensure reliable and efficient production operations.
• Proven ability to develop, support, and improve functional testing solutions, including test plans, diagnostics, and manufacturing test processes that drive product quality and yield improvement.
• Collaborative and customer-focused team player with excellent communication skills, capable of mentoring team members, partnering cross-functionally, and effectively presenting technical and manufacturing issues to internal and external stakeholders.

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

• BS (MS preferred) in Electrical Engineering or Computer Engineering
• 5 -7 plus years of experience in Electrical Engineering or Computer electrical technologies.
• 5+ years of manufacturing experience.
• Ability to interpret an extensive variety of technical instructions in mathematical or diagram form, and deal with several abstract and concrete variables.
• Proven leadership experience driving cross-functional initiatives and operational excellence, with the ability to execute strategic objectives, influence functional processes and technologies, and deliver measurable business impact across multiple teams or areas of responsibility.
• Demonstrated ability to exercise sound independent judgment in complex or ambiguous situations, establish or improve methods, standards, and procedures, and provide technical leadership through coaching, mentoring, and leading teams while fostering a collaborative, values-driven culture.

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 [e-mail] 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).