Informatica Subject Matter Exptert

Atos SE; City of Westminster; On-site; GBP 70,000 - 110,000; Full time

Benefits offered by this job

25 days paid leave + National Holidays

Pension Scheme - contributions matched

Private Medical Cover

Income Protection

Life Assurance

Flex Benefits Program

Job summary

Atos SE is seeking an experienced Informatica Subject Matter Expert (SME) to lead migration and modernisation of enterprise data integration workloads into cloud environments. You will shape technical strategy, guide architecture decisions, and work with architects, engineers, and stakeholders to ensure data quality and continuity.

The role requires deep Informatica expertise (PowerCenter/IICS), strong ETL and data integration capabilities, and experience with cloud platforms such as Azure, AWS,

Qualifications

• Experience with Informatica PowerCenter and/or IICS.
• Strong ETL development and data integration skills.
• Exposure to cloud data platform migrations and modern data architectures.

Responsibilities

• Lead modernisation of data integration platforms and cloud migrations.
• Provide technical leadership on Informatica architecture, mappings, and patterns.
• Mentor Informatica engineers and delivery teams throughout programs.

Skills

Informatica PowerCenter

Informatica IICS

ETL development

Data integration

Cloud migration

Stakeholder engagement

Tools

Informatica PowerCenter

Informatica Intelligent Cloud Services (IICS)

Job description

The Data Analytics & AI (DAA) Practice represents a growing capability within Atos and comprises a talented team of analysts, developers, consultants, architects, and data specialists delivering solutions across the entire information management lifecycle. We help organisations unlock greater value from their data through data engineering, integration, analytics, cloud transformation, and modern data platforms. Our technology-agnostic approach spans Microsoft, SAP, Oracle, IBM, Informatica, Talend, Cloudera, Qlik, and a range of specialist data technologies. As organisations modernise legacy platforms and accelerate cloud adoption, we support complex transformation programmes that migrate critical data integration, analytics, and operational workloads to secure, scalable cloud environments. Where Purpose Meets Career

• Lead the modernisation of enterprise data integration platforms, helping organisations migrate critical ETL and data processing workloads to the cloud.
• Influence technical strategy and architecture decisions, ensuring robust, scalable, and future-ready data integration solutions.
• Work alongside highly experienced architects, engineers, and data specialists delivering transformational data programmes across diverse industries., We are seeking an experienced Informatica Subject Matter Expert (SME) to provide deep technical leadership and consultancy throughout the discovery, design, migration, and implementation phases of major data transformation programmes.
• 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. 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.

You will be responsible for ensuring Informatica workloads, mappings, integrations, and data pipelines are successfully re-platformed to modern cloud-based environments while maintaining data quality, integrity, and operational continuity. Working closely with architects, data engineers, project teams, and business stakeholders, you will define migration strategies, assure technical delivery, validate outcomes, and support the successful adoption of new solutions.

Additional Requirements

• Candidates must be eligible to obtain and maintain SC clearance. Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements.

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all. Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment.

• 25 days paid leave + National Holidays
• Pension Scheme - contributions matched up to 10%
• Private Medical Cover
• Income Protection
• Life Assurance
• Flex Benefits Program