Software QA Intern - Part time

Southwestern Industries
Compton, California, United StatesPosted Sep 1, 2026

About the role

Software QA Intern - CNC Systems

Company: TRAK Machine Tools – Southwestern Industries, Inc. Location: Rancho Dominguez, CA On-site only Job Type: Internship

About Us

TRAK Machine Tools – Southwestern Industries, Inc. is a machine tool manufacturer that develops transformative technology to serve and support customers in a variety of dynamic industries. TRAK machines and equipment are used in some of the most well-known and respected organizations in the world.

The Opportunity

We are seeking a highly motivated and analytical Software Quality Assurance (QA) Intern to join our engineering team. This is a unique opportunity to test the Human-Machine Interface (HMI) and underlying control software that drives our advanced CNC machines. You will play a critical role in ensuring the precision, reliability, and safety of our industrial software products.

Key Responsibilities

As a Software QA Intern focused on CNC systems, your responsibilities will include:

  • Reviewing Specifications: Analyzing technical documentation to understand software requirements for machining processes.
  • Creating Test Cases: Documenting and executing detailed test cases and test plans for CNC control software and user interfaces.
  • Hands-On Testing: Perform testing of software features, including creation of ProtoTRAK programs, generating toolpath, machine setup, and operation procedures.
  • Bug Reporting: Identifying, documenting, and tracking software bugs and anomalies using defect tracking tools
  • Troubleshooting: Collaborating with software developers, electrical engineers and mechanical engineers to troubleshoot issues and ensure timely resolution.
  • Regression Testing: Conducting regression tests on the machine to ensure bug fixes do not impact existing, stable functionality.
  • Real-World Application: Assisting with actual test runs on physical CNC machinery to verify software performance in a manufacturing environment.

Required Qualifications

  • Currently pursuing a de

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