Senior Technical Lead
India
Job Description
Senior Technical Lead
Bangalore, Karnataka

Job Summary

"Role Overview: Design, implement, and optimize Retrieval-Augmented Generation (RAG) systems for enterprise AI applications. Enable LLMs to access and utilize internal knowledge bases, ensuring accurate, context-rich, and verifiable outputs.

Key Responsibilities

"Role Overview: Design, implement, and optimize Retrieval-Augmented Generation (RAG) systems for enterprise AI applications. Enable LLMs to access and utilize internal knowledge bases, ensuring accurate, context-rich, and verifiable outputs.

Key Responsibilities:

· Architect and build RAG pipelines integrating LLMs with enterprise data sources (documents, databases, APIs).

· Develop and maintain retrieval components (vector databases, embedding models, search algorithms).

· Implement data ingestion, indexing, and segmentation for large-scale, multi-modal content (PDFs, DOCX, PPTX, images, etc.).

· Ensure robust security, compliance, and access controls for sensitive enterprise data.

· Optimize RAG system performance, reliability, and scalability for production use.

· Collaborate with data engineers, ML engineers, and business stakeholders to deliver end-to-end RAG solutions.

· Evaluate and improve RAG system accuracy, relevance, and user experience.

· Document processes, architectures, and best practices for knowledge sharing."

Skill Requirements

"Role Overview: Design, implement, and optimize Retrieval-Augmented Generation (RAG) systems for enterprise AI applications. Enable LLMs to access and utilize internal knowledge bases, ensuring accurate, context-rich, and verifiable outputs.

Key Responsibilities:

· Architect and build RAG pipelines integrating LLMs with enterprise data sources (documents, databases, APIs).

· Develop and maintain retrieval components (vector databases, embedding models, search algorithms).

· Implement data ingestion, indexing, and segmentation for large-scale, multi-modal content (PDFs, DOCX, PPTX, images, etc.).

· Ensure robust security, compliance, and access controls for sensitive enterprise data.

· Optimize RAG system performance, reliability, and scalability for production use.

· Collaborate with data engineers, ML engineers, and business stakeholders to deliver end-to-end RAG solutions.

· Evaluate and improve RAG system accuracy, relevance, and user experience.

· Document processes, architectures, and best practices for knowledge sharing."

Other Requirements

RAG specialist

Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.