Systems Test Engineer (PLC/HMI)

Johnson City, TN 37601

Posted: 01/30/2026 Job Number: z5G7h3l6a1kMvyS65NP3c9rqA4jJYlaV2fhXQQJXcS4= Pay Rate: 36-45 Hourly USD

Job Description


No C2C / Only W2 / No Sponsorship
The System Test Engineer validates industrial automation products by performing system-wide and product-oriented testing to ensure interoperability, quality, and customer-ready releases. This role focuses on exercising real-world customer use cases, collaborating with Development teams, investigating customer issues, and improving test coverage and efficiency through automation within a global R&D environment.

Responsibilities

  • Define and execute system-wide and product-focused test cases based on customer workflows

  • Investigate, reproduce, and support resolution of customer-reported issues with Development teams

  • Document test procedures and record results in test management tools

  • Communicate test status, risks, and findings to team leadership

  • Provide test consultation and support to Development teams

  • Collaborate with customer-facing teams to understand applications and use cases

  • Drive continuous improvement in processes, test coverage, and test assets

  • Automate tests to improve efficiency and reliability

  • Follow established R&D and quality processes

Qualifications

  • BS or MS in engineering, software development, or related technical field

  • 2+ years of experience in software testing, system testing, application engineering, or product development

  • Knowledge of industrial automation systems, PLCs, and automation applications

  • Experience with test methodologies, test frameworks (NUnit, MSTest), and test management tools

  • Programming or scripting experience with C# or similar languages

  • Familiarity with OPC UA, HMI, Industrial Communication, PROFINET

  • Experience with PLC languages (LAD, SCL)

  • Understanding of Agile methodologies and product lifecycle

  • Experience with version control systems (Git, TFS)

  • Strong problem-solving, communication, and collaboration skills

  • Ability to work effectively in a global team environment

  • Willingness to travel up to 5%
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About Johnson City, TN

Explore exciting job opportunities in the vibrant Johnson City, Tennessee area today! Nestled in the heart of the stunning Appalachian Mountains, Johnson City offers a perfect blend of scenic beauty and thriving career prospects. Known for its rich history, charming downtown area with unique shops and eateries, as well as the popular Tweetsie Trail perfect for outdoor enthusiasts, Johnson City is an ideal place for both work and play. With top-notch healthcare facilities, renowned art galleries like Tipton Gallery, and entertainment venues like the historic Capitol Theatre, there's something for everyone here. Join us in Johnson City and start your career journey in a place that combines Southern hospitality with endless possibilities!