Role: QAT EngineerLocation: Remote, occasional travel to London may be required as and when requested by the project.Duration: 12 MonthsDay rate: 395 Umbrella OnlyClearance: 5 years unbroken UK residency required. Existing/transferrable clearance is preferred, but not essential. About the RoleWe''re looking for a Junior Operational Acceptance Testing (OAT) Quality Engineer to join our technology delivery team. This role focuses on ensuring systems and services are operationally ready before going live, working closely with delivery, operations, and service management teams.This is a great opportunity for someone early in their testing or quality engineering career who enjoys working across testing, operations, and infrastructure, and who is keen to build broad technical experience in a live service environment.Key ResponsibilitiesDesign, execute, and support Operational Acceptance Testing (OAT) activities for new and changed servicesValidate operational readiness, including monitoring, supportability, and service management requirementsWork closely with service management, operations, and delivery teams to resolve defects and risksSupport testing of AWS-hosted applications and servicesVerify monitoring, alerting, logging, and operational tooling is in place and fit for purposeAssist with test documentation, reporting, and handover into operationsContribute to continuous improvement of OAT processes and standardsEssential Skills and ExperienceExperience or strong exposure to t