Flex

Software Test Development Engineer

Flex$100K — $130K *
Technical Services
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in CS, CE, EE/Electronics, or related field (advanced degrees preferred)
  • 8-10 years of experience in software manufacturing test development for servers, storage, or networking products
  • Proficiency in scripting languages (Python, Bash) and advanced Linux command-line operations
  • Understanding of hardware/network troubleshooting with training capability on Linux fundamentals
  • Expertise in managing L10 devices (servers, SSDs, NVMe) through API solutions
  • Strong grasp of software development life cycle practices
  • Experience in hardware/software integration and repair within manufacturing environments

Responsibilities

  • Drive test process development for liquid-cooled server rack product line
  • Design and automate test system procedures and scripts for manufacturing
  • Create and maintain test software for operational efficiency
  • Support ongoing maintenance of test software at production facilities
  • Collaborate with cross-functional teams to meet testing and quality standards
  • Lead failure analysis and debugging efforts on hardware components
  • Foster a culture of continuous improvement in manufacturing processes

Benefits

  • Full range of medical, dental, and vision plans
  • Life insurance coverage
  • Short-term and long-term disability options
  • Matching 401(k) contributions
  • Generous vacation and paid sick time
  • Tuition reimbursement opportunities
Full Job Description
Job Summary

To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Software Test Development Engineer located in Austin, TX.

Reporting to the Test Engineering Manager, the Software Test Development Engineer will serve as a key technical lead and individual contributor for a new liquid-cooled server rack product line. You will drive launch and ongoing support of high-power AI/ML, GPU, and hardware accelerator-based server, storage, and networking platforms featuring advanced liquid cooling. This role owns test process development for full rack (L6,10/L11) assembly and integration-ensuring quality, performance, and safety-across NPI and sustaining production. You'll design procedures, automate test execution, analyze data for continuous improvement, and leverage liquid cooling expertise to deliver robust end-customer solutions.

What a typical day looks like:
  • The Software Test Development Engineer plays a vital role in ensuring the quality and reliability of hardware products, contributing to the overall success of the manufacturing process and customer satisfaction
  • Responsible for contributing to the end-to-end architecture, definition, development and production deployment of production software applications and infrastructure spanning multiple customers.
  • Test System Development: Design and develop test systems and procedures for manufacturing processes. This includes creating test plans, test cases, and test scripts to assess the functionality and performance of hardware components or devices such as motherboard, memory, CPU, storage (SSD, HDD, NVMe) and PCIE devices (NIC, GPU)
  • Test Software Development: Create, validate, release, and maintain test software and scripts that automate the testing process. This software may include code for controlling test equipment, collecting and analyzing data, and generating test reports
  • Test Sustaining: Support and maintenance for the manufacturing server (L10) and rack (L11) level test software and infrastructure deployed at our production facilities
  • Collaboration: Work closely with cross-functional teams, including hardware engineers, manufacturing engineers, and quality assurance personnel, to ensure alignment on testing requirements and quality standards


Essential Duties & Responsibilities
  • Test Development & Execution
  • Liquid Cooling
  • Failure Analysis & Debugging
  • Automation & Data Analysis
  • Continuous Improvement
  • Technical Leadership & Training
  • Cross-Functional Collaboration
  • Reporting & Communication
  • Safety & Compliance


The experience we're looking to add to our team:
  • Bachelor's degree in CS, CE, EE/Electronics, or related field (MSEE or advanced degree preferred).
  • 8-10 years' experience in software manufacturing test development/sustaining with enterprise servers, storage or networking products is required
  • Proficiency in scripting languages (Python, Bash), advanced Linux command-line operations, and hardware/network troubleshooting including the ability to train others on Linux fundamentals.
  • Linux development expertise with a solid understanding of its fundamentals: Eg Ubuntu
  • Expertise with hardware and API solutions for controlling, managing and stressing L10 devices (servers, network and storage SSDs, NVMe)
  • Strong knowledge of professional software engineering practices for the complete software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations
  • Ability to travel up to 10% globally as required
  • Expertise in computer and server hardware/software integration, diagnostics, and repair -particularly within a manufacturing or high-level assembly environment


BO18

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 06-18-2026 Job Posting End Date 08-28-2026
Job Category
Production Engineering

Is Sponsorship Available?
No

About Flex

Flex Ltd. is an American Singaporean-domiciled multinational electronics contract manufacturer. It is the third largest global electronics manufacturing services (EMS), original design manufacturer (ODM) company by revenue, behind only Pegatron for what concerns original equipment manufacturers. Flex has manufacturing operations in over 30 countries, totaling approximately 200,000 employees.
Learn more about Flex
Size
172,648 employees
Market Cap
$9.7 billion
Industry
Net Income
$421 million
Founded
2016
5 Year Trend
+1.8%
Revenue
$23.3 billion
NASDAQ

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