AWS Open Search Engineer

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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.

• Join a dynamic engineering team building scalable, secure, and highly available search and observability platforms that power critical retail services.
• Work with cutting-edge AWS OpenSearch technologies, Kafka-based event streaming, cloud-native platforms, and infrastructure automation solutions.

The Role

This role will play a key part in delivering enterprise-scale search, observability, and data platform solutions for one of the UK's leading retailers. You will be responsible for engineering, optimizing, and supporting AWS OpenSearch environments while working with technologies including Kafka, Terraform, AWS services, Kotlin, Java Spring Boot, and cloud-native architectures. The role requires strong hands-on expertise in performance tuning, automation, scalability, reliability, and operational excellence.

Your responsibilities:

• Design and implement AWS OpenSearch cluster solutions aligned with business and operational requirements.
• Engineer and support scalable AWS OpenSearch solutions that enable search, analytics, and operational monitoring across retail platforms.
• Design and implement efficient indexing strategies, query optimization techniques and data lifecycle management processes.
• Build and maintain Kafka-driven data ingestion pipelines for real-time search and observability workloads.
• Automate infrastructure deployment and configuration management using Terraform and AWS-native services.
• Analyze platform performance metrics and proactively improve scalability, resilience and operational efficiency.
• Work closely with cross-functional engineering teams to deliver secure, reliable and cloud-native solutions.
• Act as a technical SME for OpenSearch, providing guidance on best practices, troubleshooting, and platform optimization.

Your Profile

Key Responsibilities:

• Design and implement AWS OpenSearch cluster solutions aligned with business and operational requirements.
• Develop indexing, search and data retention strategies for large-scale datasets.
• Drive OpenSearch performance tuning, upgrades, patching and platform improvements.
• Develop and maintain infrastructure automation using Terraform and AWS services.
• Implement observability frameworks including monitoring, logging, dashboards and alerting.
• Support incident management, problem resolution, and platform stability initiatives.
• Apply security, governance and operational best practices across OpenSearch environments.

Skills Required

• Strong hands-on experience administering and supporting AWS OpenSearch clusters in enterprise environments.
• Experience implementing Kafka-based ingestion pipelines and log analytics solutions.
• Proficiency in Terraform for infrastructure provisioning and environment management.
• Hands-on expertise in OpenSearch indexing, query optimization, shard management and performance tuning.
• Experience with monitoring and visualization tools for platform observability and operational support.
• Strong troubleshooting skills with the ability to resolve complex production issues.
• Knowledge of security controls, access management, encryption, backup and disaster recovery strategies.

Technologies

• Search & Analytics: AWS OpenSearch, Elasticsearch, Kibana/OpenSearch Dashboards
• Programming Languages: Java, Kotlin, Python, Shell Scripting
• Frameworks: Spring Boot, Apache Kafka Clients
• Cloud Platform: AWS (EC2, ECS, EKS, IAM, CloudWatch, S3, Lambda)
• Infrastructure as Code: Terraform, CloudFormation
• Messaging & Streaming: Kafka, Confluent Cloud
• CI/CD & DevOps: GitHub Actions, Jenkins, Docker, Kubernetes
• Monitoring & Observability: CloudWatch, Grafana, Prometheus, OpenSearch Dashboards

Rewards & Benefits

TCS is consistently voted as 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. Please email us at [email protected] if you would like to opt in.

If you are an applicant who needs any adjustments to the application process or interview, please contact us at [email protected] with the subject line: “Adjustment Request” or call TCS London Office 02031552100 / +44 204 520 2575 to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.

Next Steps:

Application Process

1. Online application: You can apply directly through LinkedIn/ by uploading your CV. In case you wish to submit your application via another format like audio/video, please, contact - [email protected]
2. Skill-Based discussion: This will be a level 1 interview with the project team, it can be via video or in-person. Details will be confirmed by your recruiter.
3. Managerial discussion: This discussion will focus on behavioural aspects and person-organisation fit.
4. 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 [email protected] 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.