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Southwestern Industries VERIFIED EMPLOYER

Software QA Intern - Part time.

Quality Assurance & Testing Part-Time

Software QA Intern - Part time: our view in 3 lines...

  • The Role:This internship is for a software QA student interested in testing CNC machine control software and human-machine interfaces in an industrial setting.
  • The Person:The person will review specifications, create and execute test cases, test CNC software and interfaces, report bugs, run regression tests, and help troubleshoot issues with developers and engineers.
  • Requirements:The ideal candidate is pursuing a degree in Computer Science, Mechanical Engineering, Manufacturing Technology, or a related technical field and has basic understanding of SDLC and QA principles.

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 degree in Computer Science, Mechanical Engineering, Manufacturing Technology, or a related technical field.
  • Strong analytical thinking and meticulous attention to detail.
  • Basic understanding of the software development lifecycle (SDLC) and QA principles.
  • Excellent problem-solving, communication, and collaboration skills.
  • A strong interest in industrial automation, machinery, or manufacturing processes.
  • Hands-on experience troubleshooting basic Windows OS problems
  • Working knowledge of Cartesian coordinate systems

Preferred Skills

  • CNC experience is a huge plus
  • Familiarity with CAD/CAM software (e.g., Mastercam, SolidWorks, Fusion 360) is a plus.
  • Knowledge of G-code programming principles or other machine control languages.
  • Experience with testing tools and methodologies (manual or automation).
  • Familiarity with Agile development practices (Scrum).

 

Published September 1, 2026
Location California, CA
Job Type Part-Time