MCS Group is proud to be partnering with an exclusive client at the forefront of IoT innovation. We're seeking a Senior Quality Assurance Engineer to take ownership of testing complex embedded systems, developing automation frameworks, and ensuring world-class product reliability for a really interesting and scaling product. You'll collaborate with hardware, firmware, and software engineering teams to validate next-generation features and deliver robust solutions that reach customers around the globe. This is an opportunity to make a real impact on cutting-edge IoT technology, while driving quality, automation, and continuous improvement. What you'll be doing The test engineer will design and execute smart test strategies with a strong emphasis on automation. Running both manual and automated tests across embedded features. Building and maintaining automation frameworks (Python or similar). Debugging and validating system behaviour with tools such as Wireshark and Postman. Performing regression, performance, stress, and hardware-in-the-loop testing. Documenting results, raising clear defect reports, and working closely with developers on resolutions. Leading process improvements, root-cause analysis, and investigations into customer issues. What we're looking for Degree in Computer Science, Electronics, Systems Engineering, or equivalent experience. Strong background in QA or systems testing, ideally with exposure to video, IoT, firmware or embedded systems. Skilled in both manual and automated testing. Exposure to Python automation. Solid grasp of QA practices, testing methodologies, and hardware/software interactions. Strong analytical and debugging skills, with excellent communication. Comfortable in a fast-paced environment with shifting priorities. Bonus points for: Experience with C programming. Familiarity with Postman, TestRail, or similar tools. Salary Up to £55,000 with bonus, enhanced pension and private healthcare To speak in absolute confidence about this opportunity, please send an up-to-date CV via the link provided or contact Chris Busby, Associate Director - IT Recruitment UK & Ireland, at MCS Group Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current and exclusive roles All conversations will be treated in the strictest of confidence. Skills: Test engineer software tester quality assurance QA engineer test automation Benefits: Work From Home