Sepura plc.

We are looking for experienced Functional Test Engineers with hands on software testing experience to join our product development teams. 13th March, 2026 You will work inside a software scrum team, performing functional testing on complex embedded communication systems (TETRA/LTE devices), ensuring features meet expected behaviour, reliability, and customer expectations. This role requires a strong technical tester who can analyse requirements, design effective test cases, uncover edge cases, perform detailed investigations, and contribute to maintaining product quality throughout the sprint. You will also contribute to automation of high value checks to support sprint efficiency and reduce regression cycles. This role is primarily on site in our Waterbeach office. With all teams across electronics, hardware, mechanical and software design, development and testing under one roof, Sepura thrives through its collaborative environment, with a workspace that supports rapid learning and innovation. Day to day Our customer base includes many different industries and markets around the world. Our complete TETRA and LTE solutions have been developed specifically for users in multiple sectors to face their critical communications challenges. The activities you will be responsible for include: Work as part of a software scrum team, responsible for verifying new features and changes during the sprint. Reading and understanding requirements documentation provided by a Product Definition Team, Product Strategy Team. Review user stories, acceptance criteria and specifications to ensure clarity and testability. Involvement in test planning, test execution, defect tracking and reporting to stakeholders. Design clear, thorough and traceable functional test cases and execute them across embedded devices, software components and APIs. Developing and executing automated test cases for Sepura's LTE and TETRA products. Perform exploratory testing to uncover unexpected behaviours, usability issues and edge cases. Validate fixes and confirm regression risk areas following developer changes. Analyse logs, system traces and debug output to support accurate defect reporting. Participate in sprint activities: planning, backlog refinement, daily stand ups, sprint reviews and retrospectives. Collaborate closely with developers to investigate issues, interpret logs and reproduce complex defects. Work with Product Owners to ensure acceptance criteria are testable and complete. Provide clear, concise updates on test progress, risks, blockers and readiness. Collaboration & Agile Responsibilities Participate in sprint activities: planning, backlog refinement, daily stand ups, sprint reviews and retrospectives. Collaborate closely with developers to investigate issues, interpret logs and reproduce complex defects. Work with Product Owners to ensure acceptance criteria are testable and complete. Provide clear, concise updates on test progress, risks, blockers and readiness. What you need to succeed Qualifications & Certifications Bachelor's or Master's degree in computer science, Electronics, Telecommunications or a related field. ISTQB certification (preferred but not mandatory). This job involves some travelling so the successful applicant will have a full, clean driving licence and their own car. Travel expenses will be paid. This role may require Security Clearance in the future. Experience Must-have Strong hands on functional testing experience within Agile/Scrum software teams. Experience testing complex or embedded systems (telecom, networking, radio, IoT, devices or similar). Proficiency designing functional test cases using structured techniques (equivalence, boundary, state based, risk based). Take responsibility for the development, maintenance and full ownership of the team's Test Strategy. Ability to perform effective exploratory testing and identify edge cases. Confident analysing logs, debugging issues and collaborating directly with developers. Strong defect reporting skills with clear reproduction steps, evidence and impact details. Strong knowledge of test automation tools (e.g. Selenium, Robot Framework, Appium) and experience writing automated test scripts (Python/C#) for sprint level testing. Familiar with test management and issue tracking tools (Jira, Jama, Azure DevOps, etc.). Ability to analyse logs from embedded systems, Linux or radio firmware. Knowledge of protocol testing, RF testing and communication interfaces (TCP/IP, UDP, Serial, Bluetooth, etc.) is a plus. Experience using Git, Bitbucket or similar version control systems. Strong sense of ownership and accountability-if a significant issue escapes to the customer, the engineer should reflect on how it passed their checks and proactively work with the team to strengthen the test net. Nice to have Experience testing telecom protocols, embedded software or RF based devices. Exposure to CI/CD pipelines (GitHub Actions, Jenkins, GitLab CI, DevOps). Familiarity with Git, branching strategies and code reviews related to automated tests. Experience with performance, soak or reliability testing (not essential). Personal Attributes Strong attention to detail and methodical approach. Excellent communication skills with both technical and non technical stakeholders. Highly collaborative-works effectively within cross functional Agile teams. Curious, proactive and eager to uncover issues before they reach customers. Takes ownership of quality and raises risks early. Adaptable and comfortable working in fast paced iterative environments. Passionate about continuous improvement and personal development.

A leading technology firm in the UK is seeking an experienced Functional Test Engineer to join their product development teams. The role involves hands-on testing within Agile/Scrum teams, focusing on complex embedded communication systems. Candidates should have solid experience in functional testing, proficiency in test automation tools, and the ability to analyze requirements for quality assurance. This is predominantly an on-site role in Waterbeach, offering a collaborative environment for growth and development.

A leading communication technology firm in the UK seeks a Senior Test Engineer to ensure the quality and reliability of its communication products. The role involves executing various types of testing, collaborating with cross-functional teams, and mentoring junior engineers. The ideal candidate will have over 5 years of experience in testing, preferably in telecommunications or embedded systems, along with a degree in a related field. This position requires some travel and may need security clearance.

As a Senior Test Engineer, you will be responsible for ensuring the quality and reliability of Sepura communication products. Day to Day: Our customer base includes many different industries and markets around the world. Our complete TETRA and LTE solutions have been developed specifically for users in multiple sectors to face their critical communications challenges. There is no such thing as a typical day here at Sepura. You will be supported by your manager and team, as well as collaborating with other departments across the business. Responsibilities: Writing and executing functional, regression, system, and performance testing to ensure product compliance with industry standards. Testing of software solutions / applications to ensure that the developed products meet the requirements and are free of defects. Reading and understanding requirements documentation provided by a Product Definition Team, Product Strategy Team or External test house. Involved in test planning, test execution, defect tracking, and reporting to stakeholders. Producing and maintaining appropriate documentation for tracking quality metrics. Develop and execute manual and automated test cases for Sepura's LTE and TETRA products. Collaborate with software, hardware, and system engineers to identify defects, reproduce issues, and drive resolutions. Ensure test environments, test equipment, and infrastructure are maintained and available for testing. Participate in design and requirements reviews to provide testability feedback. Mentor junior test engineers and contribute to the growth of the test team. This job involves some travelling so the successful applicant will have a full, clean driving licence, own car, and valid passport. Travel expenses will be paid. This role may require Security Clearance in the future. What you need to succeed Qualifications & Certifications: Bachelor's or Master's degree in computer science, Electronics, Telecommunications, or a related field. 3 years UK residency is required for security check. ISTQB certification (preferred but not mandatory). Experience and Skills: A high level of communication skills and technical understanding. 5+ years of experience in manual and automation testing, preferably in embedded systems, telecommunications, or mission-critical applications. Experience with manual testing methodologies for embedded software and hardware products. Familiarity with TETRA and LTE technologies is highly desirable. Excellent problem-solving skills, attention to detail, and ability to work in an agile environment. A critical eye for detail and capable of delivering critical feedback without damaging relationships. Technical Skills: Knowledge of protocol testing, RF testing, and communication interfaces (e.g., TCP/IP, UDP, Serial, Bluetooth, etc.) is a plus. Strong experience in using Test Management tools (e.g., JIRA, TestRail, Jama). Hands on experience with testing frameworks and tools (e.g., Selenium, JUnit, TestNG, Cypress, Postman, JMeter). Understanding of APIs and backend testing.

As a Senior Test Engineer, you will be responsible for ensuring the quality and reliability of Sepura communication products. You will play a key role in designing, executing, and maintaining test across both manual and automated test frameworks on new and legacy Platforms. You will also work closely with Development, Conformance, and Business Support teams to enhance product quality and efficiency. Come and join Sepura Ltd at an exciting time of growth and progress your career within this innovative technology company, based in Waterbeach, Cambridge. Day to Day: Our customer base includes many different industries and markets around the world. Our complete TETRA and LTE solutions have been developed specifically for users in multiple sectors to face their critical communications challenges. There is no such thing as a typical day here at Sepura. You will be supported by your manager and team, as well as collaborating with other departments across the business. The activities you will be responsible for include: Writing and executing functional, regression, system, and performance testing to ensure product compliance with industry standards. Testing of software solutions / applications to ensure that the developed products meet the requirements and are free of defects. Reading and understanding requirements documentation provided by a Product Definition Team, Product Strategy Team or External test house. Involved in test planning, test execution, defect tracking, and reporting to stakeholders. Producing and maintaining appropriate documentation for tracking quality metrics. Develop and execute manual and automated test cases for Sepura's LTE and TETRA products. Collaborate with software, hardware, and system engineers to identify defects, reproduce issues, and drive resolutions. Ensure test environments, test equipment, and infrastructure are maintained and available for testing. Participate in design and requirements reviews to provide testability feedback. Mentor junior test engineers and contribute to the growth of the test team. This job involves some travelling so the successful applicant will have a full, clean driving licence, own car, and valid passport. Travel expenses will be paid. This role may require Security Clearance in the future. What you need to succeed Qualifications & Certifications: Bachelor's or Master's degree in computer science, Electronics, Telecommunications, or a related field. 3 years UK residency is required for security check. ISTQB certification (preferred but not mandatory). Experience and Skills: A high level of communication skills and technical understanding. 5+ years of experience in manual and automation testing, preferably in embedded systems, telecommunications, or mission critical applications. Experience with manual testing methodologies for embedded software and hardware products. Familiarity with TETRA and LTE technologies is highly desirable. Excellent problem-solving skills, attention to detail, and ability to work in an agile environment. A critical eye for detail and capable of delivering critical feedback without damaging relationships. Technical Skills: Knowledge of protocol testing, RF testing, and communication interfaces (e.g., TCP/IP, UDP, Serial, Bluetooth, etc.) is a plus. Strong experience in using Test Management tools (e.g., JIRA, TestRail, Jama). Hands on experience with testing frameworks and tools (e.g., Selenium, JUnit, TestNG, Cypress, Postman, JMeter). Understanding of APIs and backend testing.