Flex logo
Test Development Engineering Intern - Summer 2026
internshipAustin County

Summary

Location

Austin County

Type

internship

Company links

Explore Jobs

About this role

Job Posting Start Date 01-20-2026 Job Posting End Date 01-26-2026

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

To support our extraordinary teams who build great products and contribute to our growth, this Summer, we’re looking to add a Test Development Engineering Intern located in our Austin, TX site.

Reporting to the Test Development Manager, the student will assist with daily engineering tasks while learning, collaborating and working alongside Engineers and cross-functional teams.

What a typical day looks like:

  • Work with fellow Electrical Engineers to design the electrical and software aspects of functional test equipment
  • Electrical wiring diagram creation
  • Software development using C, LabView, TestStand and off the shelf software packages such as Python or C#
  • Build electrical cards and oversee tester wiring
  • Participate in the bring-up and validation of the test equipment
  • Attend team meetings and support project work as needed

Student qualities we’re seeking for this internship assignment:

  • Junior or Senior student pursuing BS in Electrical/Computer Engineering or related major
  • Enthusiastic about working for a manufacturing company in a test development role
  • Highly collaborative, creative and excellent communication skills
  • Ability to understand electrical schematics or wiring diagrams
  • Experience using measurement instrumentation
  • Experience with instrument drivers or automating test measurements a plus!
  • Previous manufacturing-related internship experience a plus!

Internship Program Requirements:

  • Available to start on May 26th and work 40 hours/week (in-person) for 10-12 week Summer assignment
  • Currently enrolled in 4-year accredited university
  • 3.0 minimum GPA

Job Category

Intern

Relocation: Not eligible

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).

Other facts

Tech stack
Electrical Engineering,Software Development,C,LabView,TestStand,Python,C#,Electrical Schematics,Wiring Diagrams,Measurement Instrumentation,Instrument Drivers,Test Measurements,Collaboration,Communication,Creativity

About Flex

About Flex

Flex enables businesses to accept HSA/FSA payments, unlocking the $120B sitting in these accounts. We're on a mission to make health more accessible.

Flex enables businesses to accept HSA/FSA payments, unlocking the $120B sitting in these accounts. We’re an early stage startup backed by Y-Combinator, SV Angel, Liquid2, and Precursor Ventures, with angels from Stripe, Shippo, Unit21, and OpenAI. We ascribe to Netflix’s “Dream Team” culture and strive for every team member to be exceptional in their role and as teammates. Our team is remote across US time zones with quarterly in person meetups. Given this, the ability to operate autonomously is an absolute must.

We’re the manufacturing partner of choice that helps a diverse customer base design and build products that improve the world.

We love to hear your thoughts, comments and ideas so feel free to like, share and comment away. Any question or opinion is good to go as long as it is respectful and falls within the scope of this page. Derogatory comments, spam and unsolicited selling are not welcome here and such posts will be removed.

Industry: FinTech
Founding Year: 2019

Employee benefits

Equity compensation
Medical, dental and vision plans
Unlimited PTO and sick days
Parental leave

What you'll do

  • The intern will assist with daily engineering tasks, including designing electrical and software aspects of functional test equipment and participating in the validation of test equipment. They will work alongside engineers and cross-functional teams.

Ready to join Flex?

Take the next step in your career journey

Frequently Asked Questions

What does a Test Development Engineering Intern - Summer 2026 do at Flex?

As a Test Development Engineering Intern - Summer 2026 at Flex, you will: the intern will assist with daily engineering tasks, including designing electrical and software aspects of functional test equipment and participating in the validation of test equipment. They will work alongside engineers and cross-functional teams..

Why join Flex as a Test Development Engineering Intern - Summer 2026?

Flex is a leading FinTech company. They offer great benefits including Equity compensation, Medical, dental and vision plans, Unlimited PTO and sick days.

Is the Test Development Engineering Intern - Summer 2026 position at Flex remote?

The Test Development Engineering Intern - Summer 2026 position at Flex is based in Austin County, Texas, United States. Contact the company through Clera for specific work arrangement details.

How do I apply for the Test Development Engineering Intern - Summer 2026 position at Flex?

You can apply for the Test Development Engineering Intern - Summer 2026 position at Flex directly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process. You can also learn more about Flex on their website.