Firmware Test Engineer (M/F/X)

If you are someone who loves making products truly reliable, then this role is for you. Join HMS and bring your testing mindset where it really matters.

The Firmware Test Engineer is responsible for validating and ensuring the robustness, reliability, and quality of the embedded software running on our gateways. The role includes designing, implementing, and executing manual and automated tests, developing the test environment, and contributing to the continuous improvement of our testing ecosystem. 

The Firmware Test Engineer works closely with Firmware Developers, Product Owners, and other Test Engineers. 

Firmware Testing & Quality Assurance 

• You test and validate firmware features, bug fixes and related tools 

• Your design, implement, and execute test suites and test cases (manual + automated) 

• You reproduce, analyze, and document issues with clear steps and diagnostics 

• You contribute to test plans, test strategies, and release qualification activities 

• You provide quality reporting during release cycles 
• You work closely with developers & QA teams 
  

Test Infrastructure & Automation 

• You develop and maintain the firmware testing infrastructure 

• You identify tooling or infrastructure gaps and propose improvements 

• You implement automated tests using established frameworks 

• You participate in improving the non-regression test suite and automated test coverage 

• You have experience with firmware/embedded testing 

• You have python skills & familiarity with automation frameworks (PyTest, BDD) 

• You have an understanding of computer networking 

• You have basic knowledge related to Docker 

• You have basic knowledge related to Jenkins/Gitlab CI or any general knowledge around CI/CD 

• Your have critical thinking around developed features/specifications 

• You have knowledge around Scrum and/or Agile methodologies 

• You have knowledge about ISTQB  

• Experience about security testing is a plus !
  

• You have a Bachelor's or master's degree in engineering or another relevant technical domain. 

• You have strong analytical and problem-solving skills in a distributed environment. 

• You have ability to work in an agile, DevOps-oriented team. 

• A position in a company that has been growing in the last years.  

• A long-term secure job and permanent contract in the future market of industrial communication and industry 4.0.  

• An attractive salary and fringe benefits including a company car.  

• Opportunities for continuous professional training and development relating to your skills and experience.  

• A modern office with a great working environment in Nivelles.  

The HMS Networks Group, which employs more than 1100 people in 20 countries, is an internationally leading provider in the field of Industrial Information & Communication Technology (Industrial ICT).  

You will be joining HMS Networks’ Industrial Data Solutions division (IDS), which brings together connected solutions from leading brands such as Ewon®, Red Lion® and N-Tron®. 

Driven by a strong customer-centric approach and dynamic growth, HMS has unparalleled expertise in Industrial Data and IIoT—from secure remote connectivity to real-time data visualization and advanced diagnostics. 

With a comprehensive industrial vision, HMS delivers solutions that connect machines and devices to the cloud, enable local operational control, and provide clear, actionable data insights. Security and reliability are at the core of every offering, with robust technologies built to meet the demands of harsh industrial environments. 

HMS is also a driver of innovation and expansion, following the recent integration of Red Lion® and PEAK-System®, and the launch of Ewon Cloud and Ewon Edge in early 2025. 

We also like to say that we put Heart, Mind and Soul into our work. That's how we create our shared culture, and it's a pretty good acronym for that too. 

At HMS, we believe that equal treatment and equal opportunity shall apply to everyone, regardless of ethnicity, nationality, gender, gender identity or expression, sexual orientation, religion or other belief, political opinion, social origin, disability, age or any other status protected by applicable laws. 

We believe the best ideas come from diverse perspectives working together in a respectful, balanced environment. 

Our culture is built on trust, empathy, and collaboration, where everyone feels safe to grow, share ideas, and find meaning in their work. 
Whether you're seeking innovation, development, or a healthy work-life balance, you’ll find a place where you can truly thrive. 

We value listening, mentoring, and supportive leadership, and our working conditions are designed to reflect the realities of life, because success looks different for everyone. 

This commitment applies throughout the employee journey, across all HMS locations. Welcome to HMS!