Sr Lead Architect

Area(s) of responsibility

We are looking for a highly experienced Data Architect (Grade 7A) to lead the design and delivery of the enterprise Data & Insights platform on Microsoft Azure. The role demands deep expertise in cloud data architecture, data models, data lake/lakehouse, vector-store based RAG systems, GenAI, Agentic AI, and governance using Microsoft Purview.
The ideal candidate has strong hands-on skills in Python, LangChain, LangGraph, Azure data services, and end-to-end SDLC execution.

Roles & Responsibilities

• Architect and design Azure-based data lake/lakehouse platforms, domain data models, and ingestion-to-consumption pipelines.
• Develop conceptual, logical, and physical cloud data models aligned with enterprise standards.
• Architect RAG pipelines including embeddings, chunking, vector stores, hybrid retrieval, reranking, and evaluation.
• Build Agentic AI workflows using LangChain and LangGraph; design tool orchestration, memory, and safety layers.
• Implement governance with Microsoft Purview for cataloging, lineage, PII tagging, and policy enforcement.
• Ensure platform security using Entra ID, private endpoints, VNETs, Key Vault, and encryption controls.
• Lead solution architecture reviews, performance tuning, cost optimization, and NFR engineering.
• Oversee CI/CD (Azure DevOps), IaC (Terraform/Bicep), and observability (Azure Monitor, App Insights).
• Mentor engineering teams and standardize best practices, patterns, and reusable components.

 Technical Skills

Mandatory

• Azure Data Platform: ADLS Gen2, Synapse/Serverless SQL, Databricks/Spark, ADF/Synapse Pipelines
• Programming: Python, PySpark, SQL
• GenAI & Agentic AI: RAG architecture, vector stores (Azure Cognitive Search, Pinecone, Weaviate, Qdrant), embeddings, reranking
• Frameworks: LangChain, LangGraph
• Data Modeling: Conceptual/logical/physical models, Delta/Parquet patterns, lakehouse modeling
• Data Governance: Microsoft Purview (catalog, lineage, classification, glossary, PII governance)
• Security: Entra ID, RBAC/ABAC, Key Vault, VNET integration, encryption
• SDLC & DevOps: Azure DevOps (CI/CD), Terraform/Bicep, ADRs, HLD/LLD documentation
• Performance & Cost Optimization across compute, storage, vector workloads, and pipelines

Preferred

• Azure Fabric / OneLake; Power BI semantic modeling
• dbt for transformations and testing
• Cosmos DB, PostgreSQL, SQL Server MI
• Knowledge graphs (Neo4j) and graph-based retrieval
• LLMOps: evaluation, telemetry, safety assessment, drift monitoring
• FinOps optimization practices
• Multi-cloud experience (AWS/GCP equivalents)
• API design: REST, GraphQL, gRPC

Qualifications

• Bachelor’s or Master’s degree in Engineering, Computer Science, or related discipline.
• 12–14 years of total experience with minimum 5+ years in cloud data architecture.
• Proven experience delivering Azure-based data platforms and production-grade GenAI/RAG systems.