Electrical Test Development 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

We are seeking a Senior Electrical Test Development Engineer to lead the design, development, validation, and deployment of automated functional test systems for electronic products. This role is responsible for test architecture, electrical hardware design, instrumentation integration, automation software development, and manufacturing deployment. The ideal candidate will partner closely with customers, design engineering, software, mechanical, and manufacturing teams to deliver scalable, reliable production test solutions.

This position will be onsite in Austin, TX

What a typical day looks like:

• Develop test strategies, architectures, and test plans for new products.
• Design electrical test hardware, interface boards, signal conditioning circuits, and fixtures.
• Select and integrate instrumentation including oscilloscopes, DMMs, power supplies, signal generators, RF equipment, environmental chambers, and leak test systems.
• Develop automated test software using TestStand, LabVIEW, Python, C/C#, and Linux scripting.
• Implement communication protocols such as Ethernet, CAN, USB, SPI, I²C, Bluetooth, and Wi-Fi.
• Integrate MES, traceability, and manufacturing data collection requirements.
• Support tester bring-up, debugging, validation, deployment, and production ramp activities.
• Lead DFT reviews, customer design reviews, and provide technical leadership for test development projects.

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

• 5+ years developing automated functional test systems for electronic products.

• Bachelor's degree in Electrical Engineering, Computer Engineering, or related field.

• Proven experience leading test development projects from concept through production launch.
• Strong analog, digital, mixed-signal, and power electronics knowledge.
• Experience designing test hardware, interface circuits, fixtures, and custom PCBs.
• Proficiency with NI TestStand and at least one programming language such as Python, C, or C#.
• Hands-on experience with ATE, instrumentation, and measurement systems.
• Ability to interpret schematics, technical requirements, and communication protocols.
• Strong cross-functional communication skills and ability to travel up to 20%.

Preferred Qualifications

• NI LabVIEW experience.
• Manufacturing test data collection and MES integration.
• Experience with environmental chambers, leak testing, and high-volume manufacturing.
• Design for Testability (DFT) experience.
• RF test and measurement experience.
• PCB schematic capture and layout experience (OrCAD, Allegro, or similar).

Technical Skills (preferred

• Software: NI TestStand, LabVIEW, Python, C, C#, Linux, Git
• Protocols: Ethernet/TCP-IP, CAN/CAN FD, RS-232/485, USB, SPI, I²C, Bluetooth, Wi-Fi, EtherCAT
• Equipment: Oscilloscopes, DMMs, Power Supplies, Signal Generators, RF Test Equipment, Environmental Chambers, ATE, Leak Test Systems

JS21

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 job position will be accepted for at least five days following the job posting start date below and continuing until the end date below or until the position is filled. This posting may close sooner due to application volume.

Job Posting Start Date 10-02-2026 Job Posting End Date Job CategoryDesign, Process & Technology 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).