Salary: £45,000 - 70,000 per year Requirements: Bachelors or Masters degree in Computer Science, Electronics, Telecommunications, or a related field ISTQB certification (preferred, not essential) Full clean driving licence and own car (some travel required; expenses paid) Willingness to undergo Security Clearance in the future if required Experience testing complex or embedded systems (telecoms, networking, radio, IoT, devices, etc.) Proven ability to design test cases using structured techniques (boundary, equivalence, state-based, risk-based) Experience analysing logs from embedded systems, Linux environments, or firmware Strong defect reporting skills with clear reproduction steps and evidence Test automation experience using tools such as Selenium, Robot Framework, Appium, with scripting in Python Responsibilities: Working as part of a cross-functional Scrum team, verifying new features and changes each sprint Reviewing user stories, acceptance criteria, and specifications to ensure theyre clear, complete, and testable Designing and executing clear, traceable functional test cases across embedded devices, software components, and APIs Performing exploratory testing to uncover unexpected behaviours, usability issues, and edge cases Active participation in sprint planning, backlog refinement, daily stand-ups, reviews, and retrospectives Close collaboration with developers to reproduce and diagnose complex issues Working with Product Owners to ensure acceptance criteria are robust and testable Providing transparent updates on test progress, risks, blockers, and release readiness Taking ownership of the teams test strategy, continuously strengthening the quality net Technologies: Appium Embedded Firmware IoT ISTQB Linux Robot Framework Security Selenium More: We are seeking a highly skilled Software Test Engineer to join our collaborative Agile team focused on mission-critical embedded communication systems used globally. This role offers the opportunity to work in an environment where reliability, performance, and accuracy are paramount. If you are a hands-on tester passionate about quality and eager to take an active role in the sprint lifecycle, we invite you to apply and contribute to our mission of delivering exceptional products. last updated 7 week of 2026