Senior Data Architect – Data Science, ML & Multi‑Cloud Data Platforms
Permanent
London, UK
Are you passionate about driving innovation and best practices in Data?
We have an exciting role for you Senior Data Architect – Data Science, ML & Multi‑Cloud Data Platforms!
Careers at TCS: It means more
TCS is a purpose‑led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership.
* Gain exposure to cutting‑edge data and AI technologies.
* Work closely with customers to support their data and analytics strategy.
* Access continuous learning opportunities and professional development.
The Role
As a Senior Data Architect, you will architect and operationalise advanced data, analytics and ML platforms across multi‑cloud environments. You will lead data architecture initiatives on Snowflake, Databricks and cloud‑native services, ensuring scalability, interoperability, security and regulatory compliance. You will collaborate with Data Science, ML Engineering and Enterprise Data teams to deliver high‑quality, governed and reusable data products for a wide range of business and regulatory needs.
Your responsibilities
* Architect and govern end‑to‑end data platforms supporting Data Science and ML lifecycles (ingestion, feature engineering, training, inference, monitoring).
* Design and manage multi‑cloud data estates across AWS, Azure and/or GCP, ensuring scalability, resilience and cost efficiency.
* Define architecture patterns and best practices for Snowflake (analytics, secure sharing) and Databricks (processing, ML workloads).
* Establish workload separation and integration patterns across Snowflake, Databricks and cloud storage.
* Lead architecture from design to production, ensuring performance, observability and operational readiness.
* Enable production‑grade ML through robust pipelines, feature stores, dataset versioning and training‑inference consistency.
* Define standards for CI/CD, DataOps and MLOps, including automated testing and monitoring.
* Design secure and governed architectures aligned with enterprise policies and regulatory requirements (including BFSI).
* Collaborate with Data Scientists, ML Engineers and business stakeholders to deliver reusable and reliable data products.
* Provide architectural leadership, technical mentorship and best‑practice guidance.
Your Profile
Essential skills, knowledge and experience
* Proven experience delivering enterprise Data Science and ML platforms into production.
* Strong hands‑on expertise in Snowflake and Databricks.
* Deep understanding of data architecture patterns for analytics, ML and AI.
* Strong data modelling skills for analytical and ML workloads.
* Hands‑on experience with AWS, Azure and/or GCP (at least one in depth).
* Expertise with Spark, SQL and lakehouse architectures.
* Experience with orchestration and pipeline tools (Airflow, ADF, Dagster, Prefect).Experience with cloud‑storage platforms such as ADLS, S3 or GCS.
* Understanding of MLOps‑compatible data architectures.
* Experience with dataset and feature‑versioning, data quality management and drift/observability frameworks.
* Exposure to vector databases, embeddings or ML metadata systems.
* Experience in Banking, Financial Services or Insurance, with exposure to risk, AML, fraud, credit or regulatory reporting.
* Experience designing secure, compliant data and ML architectures in regulated environments.
TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network.
We offer health & wellness initiatives and sports events; we are the proud sponsor of the London Marathon.
Diversity, Inclusion and Wellbeing
Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998.
We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role.
As a Disability Confident Employer, we offer an interview to applicants with disabilities or long‑term conditions who meet the minimum criteria for the role. If you would like to opt in, please email us at UKI.recruitment@tcs.com.
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