Our client is a Tier 1 global organisation providing professional services and information technology solutions primarily to government clients across defence, intelligence, and security sectors. The business specialises in delivering mission-critical support through innovative technology and strategic expertise. With exciting new projects commencing in 2025, we are now seeking an experienced and senior Software Test Engineer to join their growing team and play a critical role in delivering innovative solutions that tackle complex operational challenges. Senior Software Test Engineer Cheltenham. c£80K plus excellent benefits package. Due to the highly secure nature of this work all applicants will be required to hold current UK Security Clearance to DV level. To be successful in this role: You will be a confident and experienced Senior Test Engineer with a passion for manual and automated testing and a background in working with complex solutions. Other requirements for this role include: Have a proactive and can-do attitude, enjoying diverse and challenging projects. Be comfortable working autonomously within an Agile team environment. Demonstrate a commitment to learning and continuous improvement. Position summary: Our client plays a vital role in supporting government departments by enabling critical decisions that enhance the security and prosperity of the UK. Their work is integral to national security, making them a cornerstone of the UKs safety infrastructure. With a team of over 450 highly skilled professionals, they are committed to delivering impactful solutions that truly make a difference. This role goes beyond code, algorithms, and data. Its about being part of a mission-critical initiative to protect the UK. You will contribute to systems of the highest sensitivity and importance, ensuring the safety and security of the nation. Job role and responsibilities: As a Senior Test Engineer, you will join one of our clients agile delivery teams, working on National Security projects. You will play a key role in implementing continuous automated testing as part of a CI/CD lifecycle. Specific responsibilities for this role include: Utilise a wide range of technologies, specialising in open-source tools and frameworks Conduct manual and automated software testing Work within DevOps and agile methodologies, including TDD, BDD, ATDD, and continuous testing through CI/CD pipelines Design and implement automated test frameworks for UI and API testing Use technologies such as Selenium, Cypress.io, Webdriver.io, Playwright, Cucumber, Robot Framework, Serenity BDD, and Rest Assured Contribute to the QA team by bringing forward new ideas and improving test frameworks and processes Perform non-functional testing, including security, performance, accessibility, and operational acceptance testing (OAT), using a variety of tools Benefits: The business rewards staff well with a competitive salary and impressive benefits package which includes: 37.5 hour weeks to structure however you want with flexible working from home available Matched pension and health care package Budget for conferences, training courses and other materials Fantastic culture with regular events, including summer parties, annual away days, and quarterly meetings Assigned Career Coach for development Free 24/7 counselling helpline and employee assistance programme Expense coverage for meals and beverages during client visits The business is an equal opportunities employer that embraces diversity and is committed to a working environment where no one will be treated less favourably on the grounds of their sex, race, disability, sexual orientation religion, belief, or age.