Test Engineer - System Level Hardware, Software Testing

Job Posting Start Date 11-11-2025 Job Posting End Date 01-05-2026

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

Principle Accountabilities:

This newly created, full-time position is based on site at Flex's state-of-the-art Milpitas, CA manufacturing site.

• Directs and/or coordinates electronic engineering and/or technical personnel in fabrication and design of testing and test control apparatus and equipment, or software and systems testing.
• ​Directs and coordinates electronic engineering activities concerned with development, procurement, installation and calibration of instruments, equipment and control devices required to test, and record test data.
• Interfaces and confers with scientific, engineering and technical personnel to resolve testing problems such as product or system malfunctions, incomplete test data, data interpretation or coding issues.
• Analyzes and interprets test data and prepares technical reports for use by electronic or software engineering, and management personnel.
• May develop or use computer software and hardware to conduct tests on electronic products and systems or software.
• Trains and instructs floor support, test technicians and test operators on test hardware and/or software, as well as problem solving techniques.
• Resolves test yield problems by performing analysis of root causes, developing and coordinating corrective action measures and monitoring improvements.
• Perform and support equipment verification and integration in production.
• Create and maintain process documentation. Manage customer test equipment into the tracking system—CIM.
• Actively search for new technologies or procedures in the test sector.
• Determines conditions under which tests are to be conducted and sequences and phases of test operations.
• Provide technical support and advice to bone pile FA/Debug team.

Specialized Job Responsibilities may be required for certain positions. These could include one or more of the following duties:

FUNCTIONAL

• Develops and/or modifies test programs using various languages (i.e. Python, Lab View, Perl etc.).
• Develops instrument drivers.
• Develops and/or supports diagnostic tests at the card edge level.
• Designs and supports functional test hardware, computer platforms and interfaces.
• Develop test plans and procedures.
• Coordinates 3rd party development of functional test development, enhancements, test fixtures.
• Develop quotations for functional test hardware and software.

• Designs, develops and/or supports environmental test programs, procedures and profiles
• Designs and/or supports mechanical/electrical interfaces for product tests.
• Performs failure analysis on environmental test failures.
• Coordinates 3rd party development of ESS activities.

SYSTEMS & SOFTWARE

• Analyzes and interprets software or system level diagnostic failure (software and hardware).
• Develops and/or modifies software or system level plans and tests.
• Develops and/or supports comprehensive quality test programs.
• Develop quotes for test development and enhancements.
• Performs test ability analysis (DFT).

JOB REQUIREMENTS:

• Typically requires a bachelor’s degree in related field – OR - equivalent experience and training. Typically requires 4 years of experience in system level hardware and software test engineering in the high technology electronics industry or related area.
• Knowledge / Skills / Abilities
• Knowledge of computing servers, AI technology.
• Demonstrates advanced operations, technical and people and/or process skills as well as customer (external and internal) relationship skills. Demonstrates knowledge of multiple functional technologies/processes, industries or functions and understanding of interdependence of such processes at the site.
• Use of the following tools may be required: Electronic Assembly: color code, component, schematics. May require various PCB operations.  Testing: oscilloscope, cable and harness testing, trouble shooting, component testing, logic analyzer. Inspection: bare board, systems, components, cable and harness, microscope, measuring tools. Mechanical & Electrical Tools: taps and dies, alignment tools, measuring tools. Software Testing: design software, coding programs, and simulation models. Office skills: telephones, office software to include, word processing, spreadsheet and presentation package.
• Ability to read, analyze and interpret common scientific and technical journals. Ability to write reports, business correspondence and procedure manuals. Ability to effectively communicate with managers and employees of the organizations.
• Ability to apply advanced mathematical concepts such as exponents, logarithms, quadratic equations and permutations. Ability to apply mathematical operations to such tasks as frequency distribution, determination of test reliability and validity, analysis of variance, correlation techniques, sampling theory and factor analysis. 
• Ability to define problems, collect data, establish facts and draw valid conclusions. Ability to interpret an extensive variety of technical instructions in mathematical or diagram form, and deal with several abstract and concrete variables.

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

Pay Range (Applicable to California)$110,100.00 USD - $151,400.00 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).