IAM Test Manager 3-month initial contract with scope to extend £650 per day - Umbrella engagement London - 3x days a week Sanderson is currently working with an organisation who require a Test Manager to define and lead the end-to-end testing strategy across Identity & access initiatives. In this role the test manager will be overseeing and ensuring confidence in third-party delivered solutions, support business readiness through UAT and assuring access controls across people, systems and platforms meet security, risk and compliance expectations. Define, own, and govern the Identity & Access testing strategy across multiple parallel workstreams (e.g. Privileged Access Management, Remote Access). Establish testing standards, approaches, and entry/exit criteria aligned to organisational security, risk, and compliance requirements. Provide assurance over third-party testing activities, ensuring quality, coverage, traceability, and adequacy of evidence produced by vendors and delivery partners. Plan, coordinate, and manage User Acceptance Testing (UAT) and Operational Acceptance Testing (OAT), ensuring business scenarios, privileged identity lifecycles, and access outcomes are fully validated. Oversee integration and end-to-end testing across identity sources, directories, IAM platforms, access technologies, and downstream systems. Manage test environments, test data readiness, defect management, triage, and resolution in collaboration with engineering teams and suppliers. Produce clear and concise test reporting, including risk assessments, quality metrics, and go/no-go recommendations for programme, security, and senior stakeholders. Ensure testing outcomes support auditability, traceability, and regulatory assurance for identity and access controls. Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients. If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.