Enterprise Architect

Job Type: Permanent or fixed Term

Location: London

Number of hours: 40 hours per week – full time

Ready to apply your enterprise architecture expertise to drive large‑scale transformation? We have an exciting opportunity for you!

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.

The Role:

As an Enterprise Architect, you will lead the design, development and governance of end‑to‑end technical architectures for modern, multi‑vendor environments. You will collaborate closely with business, product and engineering teams to translate requirements into scalable, resilient and secure solutions. The role involves hands‑on architectural leadership across system design, integration, data models, APIs and distributed systems, ensuring alignment with organizational strategy and delivery best practices.

Key responsibilities:

• Lead end‑to‑end architecture design across business, product and engineering teams.
• Balance functional and non‑functional requirements with performance, security and scalability.
• Develop high‑level and low‑level design documentation using UML and architecture tooling.
• Apply Agile delivery practices and BDD (Behave / Gherkin) where relevant.
• Lead architecture for BSS platforms including Order Management, Product Catalogue, CRM, Billing, Service Orchestration and Inventory.
• Define integration patterns and data flows across legacy and modern systems.
• Architect microservices, event‑driven systems, API gateways and distributed components.
• Oversee large‑scale system integration involving extensive integration points.
• Provide architectural governance and guidance throughout design, build and stabilisation phases.

Your Profile:

Essential skills/knowledge/experience:

• Strong skills in HLD/LLD, UML, and architecture modelling tools.
• Experience balancing functional and non‑functional requirements.
• Strong background in Agile delivery and BDD (Behave, Gherkin).
• Deep knowledge of BSS platform architecture (Order Management, Product Catalogue, CRM such as Salesforce, Billing, Service Orchestration, Inventory).
• Hands‑on experience designing integration patterns, data flows, and system processes.
• Experience architecting microservices, API gateways and event‑driven architectures.
• Familiarity with event brokers/queues (Kafka, RabbitMQ or similar).
• Experience managing architectures involving large numbers of integration points.
• Experience designing and reviewing API lifecycle, including OAS‑based API specifications.
• Proficiency in product and data modelling, including BSS/TMF frameworks.
• Strong understanding of distributed systems, state management and telemetry pipelines.
• Experience designing secure, scalable architectures in regulated industries.
• Experience designing and implementing event‑driven systems, including ordering, idempotency and observability.
• Experience leading architecture for large, high‑throughput platforms.
• Hands‑on experience deploying solutions on AWS, Azure or GCP.
• Experience with distributed system debugging, profiling and performance tuning.
• Experience designing product and service models that integrate with quoting, ordering and inventory workflows.
• Strong understanding of architectural trade‑offs, constraints and technical governance.

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.

Next Steps:

Application Process:

• Online application: You can apply directly through LinkedIn/ by uploading your CV.
• Skill‑Based discussion: This will be a level 1 interview with the project team, it can be via video or in‑person.
• Managerial discussion: This discussion will focus on behavioural aspects and person‑organisation fit.
• HR Discussion: This will be with one of the members of the HR team and will cover your career journey, aspirations for growth, compensation and any other questions you may have.

Beware of Fraudulent offers: This is to notify you that TCS does not ask for any sort of payment or security deposit from candidates at any stage of the recruitment process. The firm never sends out job offers from free internet email services like Gmail, Yahoo Mail, and so on. TCS has not authorised any third‑party company to collect money on their behalf. As a vigilant job seeker, beware of fraudulent recruitment activity and protect your interests! You can write to UKI.recruitment@tcs.com to report any fraudulent activity.

Due to the high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.

Join us and do more of what matters. Apply online now.