Location London (region) About the job Job summary MI5 keeps the country safe from serious threats like terrorism and attempts by states to harm the UK, its people and way of life. We carry out investigations by obtaining, analysing, and assessing intelligence, and then work with a range of partners including MI6 and GCHQ to disrupt these threats. Through our protective security arm, we provide advice and guidance to government, businesses and other organisations about how to keep themselves safe. A role in MI5 means you''ll do unique and challenging work in a supportive and encouraging environment, making a real difference to UK national security. Job description As a Test Engineer, you''ll help us deliver high-quality products that keep the country safe. You''ll join a specialist team where you''ll handle both functional and non-functional testing, explore fresh methodologies, mentor colleagues, and champion quality in everything we build. You will also: develop and execute thorough test plans to ensure our products are reliable and high-quality build, adopt, and improve automated test frameworks to provide fast, scalable feedback for complex platform capabilities champion testing and quality engineering by refining processes and helping teams reach the best outcomes collaborate with developers, analysts, product managers, and colleagues across the organisation to embed test engineering into our development approach work with external partners, vendors, and clients to sup