Senior Mechanical Test Engineer - Fixtures & ATE

Flex; Austin (TX); On-site; USD 110,000 - 150,000; Full time

Job summary

Flex is seeking a Senior Mechanical Test Development Engineer for its Austin, Texas team. The role focuses on designing turnkey mechanical fixtures and automated test systems to support PCBAs and high-level assemblies, with emphasis on reliability, manufacturability, and cross-functional collaboration.

The ideal candidate will design electromechanical fixtures, integrate ATE tools, and guide fixture development from concept through production, ensuring alignment with customer requirements and

Qualifications

• Bachelor’s degree in mechanical engineering or related discipline.
• 5+ years of experience in mechanical design, test development, manufacturing engineering, or related engineering disciplines.
• Demonstrated experience designing electromechanical fixtures and mechanical test mechanisms.
• Experience developing manufacturing test fixtures for PCBAs and/or high-level assemblies.
• Experience supporting automated test equipment (ATE) development and deployment.
• Experience working with fabrication suppliers, machine shops, and manufacturing teams.
• Experience with Pneumatic Fixture Design
• Experience with Bed-of-Nails Fixtures

Responsibilities

• Design and develop turnkey mechanical solutions for automated manufacturing test systems, including manual, semi-automated, and fully automated test equipment.
• Design electromechanical fixtures, mechanisms, and tooling used for functional testing of PCBAs and high-level assemblies.
• Develop robust mechanical interfaces that support reliable electrical connection, product alignment, and repeatable testing throughout the product lifecycle.
• Design fixture structures utilizing pneumatic, vacuum, spring-loaded, and other motion-control techniques as required.
• Support fixture standardization and modular design initiatives to improve development efficiency and long-term maintainability.

Skills

Mechanical design

Test development

Electromechanical fixtures

Fixture design

PCBA fixtures

ATE development

Fabrication liaison

Pneumatic fixtures

Bed-of-Nails fixtures

Education

Bachelor's degree in mechanical engineering

Tools

SolidWorks

CNC Machining

Job description

Flex is seeking a Senior Mechanical Test Development Engineer for its Austin, Texas team. The role focuses on designing turnkey mechanical fixtures and automated test systems to support PCBAs and high-level assemblies, with emphasis on reliability, manufacturability, and cross-functional collaboration.

The ideal candidate will design electromechanical fixtures, integrate ATE tools, and guide fixture development from concept through production, ensuring alignment with customer requirements and