Testing - AI Test Lead Senior

At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all.

Position Title:   – QE AI Test Lead   About Global Delivery Services   Global Delivery Services refers to EY's worldwide network of service delivery centers. The GDS team plays an important role in EY’s strategy by ensuring effective support to EY’s growth agenda.   Our journey started in 2002 with approximately 200 people. Today we stand at 80,000+ professionals in ten locations around the world. We operate in Argentina, China, Hungary, India, Philippines, Poland, Sri Lanka, Mexico, Spain and the United Kingdom.   Client service is focused on providing Consulting, Assurance, Tax, Strategy & Transactions, and Knowledge support to our clients around the world. The teams enable account teams worldwide to provide seamless, high-quality, value-added support, helping deliver exceptional client service.   Enablement Services provides cost-effective, high-skilled, and innovative services to support EY’s global and local enablement teams. Markets, BMC, AWS, Finance and Accounting, Risk Management, Procurement, People Shared Services, IT Service Delivery and IT Global Infrastructure services, are among the services offered by Enablement Services.   Our innovation specialists serve the GDS Client Service and Enablement Services teams, along with Service Lines, Core Business Services and Sectors. The team brings the desired environment, technologies and skilled teams together for facilitation, rapid prototyping and innovative thinking. The competencies offered include analytics, digital, user experience, mobile technology, infrastructure, Microsoft technologies and open innovation.     The Opportunity   As a QE – AI Test Lead, you will be responsible for validating AI models and systems including Narrow AI, Generative AI, and Agentic AI. The role involves performing data validation, model evaluation, and statistical analysis while collaborating closely with data scientists to ensure comprehensive testing coverage.   You will also identify anomalies in data and outputs, assess model bias, and ensure that privacy and compliance protocols are strictly adhered to during testing activities.     Your Key Responsibilities

Define and own test strategy, planning, execution, and reporting for AI-based systems Conduct AI model validation across functional, performance, and statistical metrics Perform data validation activities including data collection, augmentation, exploratory analysis, bias detection, and privacy assessment Identify discrepancies, anomalies, and risks in model outputs and ensure timely resolution with development teams Lead defect management and collaborate with cross-functional teams for resolution Engage with client stakeholders to provide status updates and resolve issues Prepare test reports and support sign-off and closure activities Lead distributed teams across geographies and ensure delivery excellence

Skills and attributes for success

Strong understanding of AI/ML concepts, LLMs, and Agentic AI systems Hands-on experience in AI testing techniques such as bias testing, drift testing, metamorphic testing, and back-to-back testing Expertise in test automation tools (e.g., Selenium, Playwright, PyTest) Proficiency in Python programming and AI evaluation frameworks Exposure to GitHub Copilot or similar AI-assisted development tools Good understanding of cloud platforms such as Azure, AWS, or GCP Strong analytical, problem-solving, and communication skills Experience working in Agile environments

What we offer you   At EY, we’ll develop you with future-focused skills