Senior Test Engineer (SC Cleared)

SC Cleared Test Engineer (AI) Rate - £650 (A day) Duration - 6 Months (Initially) Location - London (Hybrid) Ir35 - Inside (Must use an umbrella company) We are looking for an experienced Senior Test Engineer (AI) to play a key role in delivering high-quality, reliable artificial intelligence and data-driven solutions within a complex, enterprise-scale environment. This is an exciting opportunity to lead testing strategy across cutting-edge AI systems, ensuring robust validation, strong governance, and continuous quality improvement across digital platforms. The RoleAs a Senior Test Engineer, you will operate at a strategic level, shaping testing approaches for AI and data services while remaining hands-on across automation, validation, and delivery pipelines. You will: • Lead the design and execution of end-to-end test strategies across AI and digital programmes • Ensure quality across AI models, data pipelines, APIs, and cloud-based services • Embed test-driven (TDD) and behaviour-driven (BDD) practices within engineering teams • Drive improvements in automation frameworks and testing tools • Provide expert oversight on AI model validation, including Generative AI and RAG solutions • Identify risks early and implement mitigation strategies • Mentor and coach engineers to build strong testing capability across teams Key Responsibilities • Define and deliver testing strategies aligned to organisational standards • Lead AI testing, validation, and evaluation frameworks • Integrate testing within CI/CD and DevOps pipelines • Champion modern testing approaches, including AI-led and predictive testing techniques • Collaborate with cross-functional teams including engineering, data science, product, and leadership • Oversee defect management, quality metrics, and release assurance • Ensure compliance with accessibility, security, and performance standards Key Skills & ExperienceEssential • Strong experience delivering quality assurance for AI / ML solutions across the full lifecycle • Hands-on expertise with Microsoft-based environments (e.g. Azure testing tools, AI platforms) • Proficiency in one or more: Python, Java, JavaScript, SQL, or R • Proven experience in: • AI / Generative AI testing • RAG (Retrieval-Augmented Generation) solution validation (e.g. RAGAS framework) • CI/CD, DevOps, and cloud-based test integration • Ability to define and implement AI testing strategies and model validation frameworks • Strong understanding of: • Functional and non-functional testing • Accessibility, security, and performance testing • Experience working in regulated or enterprise environments • Active SC Clearance (mandatory)