We are seeking an experienced Principal Integration Engineer to lead the design, implementation, and optimisation of healthcare system integrations across clinical and diagnostic environments.This is a senior, hands-on role requiring deep expertise in HL7 messaging, DICOM workflows, and healthcare interoperability, with a strong background in laboratory, radiology, and screening systems. You will act as a technical authority, working across vendors, clinical teams, and IT stakeholders to deliver robust, scalable integration solutions.Key ResponsibilitiesIntegration Architecture andamp; DeliveryDesign and implement HL7 interfaces, DICOM integrations, and workflow solutionsLead integration development using platforms such as Mirth ConnectArchitect end-to-end interoperability across LIMS, RIS/PACS, Order Communications, and clinical systemsEnsure high availability, scalability, and performance of integration pipelines Technical LeadershipAct as Principal Engineer/SME for all integration-related initiatives Define best practices, standards, and governance for integration design Lead troubleshooting, root cause analysis, and proactive maintenance Stakeholder andamp; Vendor EngagementLiaise with clinical stakeholders, NHS teams, and third-party vendorsTranslate clinical workflows into technical integration solutions Manage vendor relationships and support escalations Delivery andamp; SupportLead integration projects including upgrades, migrations, and new deployments Oversee UAT, v