Informatica Subject Matter Expert

Salary: £90,000 - 90,000 per year

Requirements:

• Extensive experience with Informatica PowerCenter and/or Informatica Intelligent Cloud Services (IICS)
• Strong expertise in ETL development, data integration, and source-to-target data mapping
• Proven experience delivering data migration, validation, reconciliation, and data quality initiatives
• Strong understanding of enterprise data architectures and integration patterns
• Excellent stakeholder engagement, mentoring, and knowledge transfer capabilities
• Experience migrating data integration workloads to cloud platforms such as Microsoft Azure, AWS, or Google Cloud Platform
• Knowledge of modern data engineering, data warehousing, and analytics ecosystems
• Candidates must be eligible to obtain and maintain SC clearance
• UK-based
• Hybrid working model with onsite attendance required based on project and client needs
• National mobility may be required for client engagements

Responsibilities:

• Provide expert guidance on Informatica architecture, mappings, integration patterns, and cloud re-platforming approaches
• Define ETL migration strategies, source-to-target mapping methodologies, and validation approaches in collaboration with delivery teams
• Support the development of High-Level Designs (HLDs), Low-Level Designs (LLDs), technical documentation, and knowledge articles
• Assure data pipeline integrity throughout migration, testing, validation, and dual-running activities
• Mentor and guide Informatica engineers and project teams throughout the delivery lifecycle
• Provide deep technical leadership and consultancy throughout the discovery, design, migration, and implementation phases of major data transformation programmes
• Ensure Informatica workloads, mappings, integrations, and data pipelines are successfully re-platformed to modern cloud-based environments while maintaining data quality, integrity, and operational continuity
• Work closely with architects, data engineers, project teams, and business stakeholders to define migration strategies, assure technical delivery, validate outcomes, and support adoption of new solutions

Technologies:

• AI
• AWS
• Azure
• Cloud
• ETL
• Informatica
• Support
• DevOps
• Embedded
• IBM
• Oracle
• Qlik
• SAP
• Talend

More:

We are Atos, the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. We design, develop, and operate critical digital environments that drive performance, resilience, and sovereignty for public and private organizations worldwide. Our Data Analytics & AI practice is a growing team of analysts, developers, consultants, architects, and data specialists delivering solutions across the information management lifecycle. We support organisations with data engineering, integration, analytics, cloud transformation, and modern data platforms, using a technology-agnostic approach across leading data technologies. This role offers the opportunity to lead the modernisation of enterprise data integration platforms, influence technical strategy and architecture, and work alongside highly experienced specialists on transformational data programmes. We offer benefits including 25 days paid leave, national holidays, pension scheme contributions matched up to 10%, private medical cover, income protection, life assurance, and a flex benefits program. We are a care leaver friendly employer, a Disability Confident employer, and we are committed to diversity, inclusion, and reasonable adjustments throughout the application process. We are UK-based and operate a hybrid working model with onsite attendance based on project and client needs, with national mobility potentially required for client engagements.

last updated 35 week of 2026