Senior AI Architect | Generative AI, LLMs, Agentic AI, LangChain

Job Summary

We are looking for a highly experienced Senior AI Architect to lead the design, development, and deployment of next-generation Generative AI solutions. The ideal candidate will possess deep expertise in Large Language Models (LLMs), Agentic AI frameworks, Prompt Engineering, Machine Learning, and Cloud AI platforms.

This role will drive AI innovation across enterprise initiatives, including fine-tuning language models, building intelligent AI agents, architecting scalable AI platforms, and mentoring high-performing AI teams.

Experience

15-19 Years

Location

Chennai

Key Responsibilities

- Design and implement enterprise-scale Generative AI and Agentic AI solutions.
- Fine-tune and optimize LLMs and SLMs for domain-specific business applications.
- Develop autonomous AI agents using LangChain and multi-agent frameworks.
- Build advanced RAG-based solutions utilizing vector databases and semantic search.
- Lead prompt engineering, evaluation, and optimization strategies.
- Architect scalable AI/ML platforms on AWS, Azure, or GCP.
- Develop and deploy deep learning and machine learning models for NLP, Vision, and Multimodal AI applications.
- Establish MLOps best practices for model deployment, monitoring, and governance.
- Collaborate with business stakeholders,



engineering teams, and solution architects to deliver AI-powered products.
- Mentor and guide data scientists, ML engineers, and AI practitioners.
- Stay updated on advancements in Generative AI, Transformer architectures, Agentic AI, and open-source LLM ecosystems.

Required Skills
- Generative AI
- Large Language Models (LLMs)
- Small Language Models (SLMs)
- LangChain
- Agentic AI
- Prompt Engineering
- PyTorch
- TensorFlow
- Python
- Data Science
- Machine Learning
- Deep Learning
- NLP
- LLaMA, Mistral, Phi Models
- AWS SageMaker / Azure ML / Google Vertex AI
- Cloud Architecture
- MLOps

Preferred Skills
- RAG Architecture
- Vector Databases (Pinecone, Weaviate, FAISS, Chroma)
- Multi-Agent Systems
- RLHF
- Fine-Tuning Frameworks
- OpenAI APIs
- Published Research or Open Source Contributions

Education Bachelor's or Master's degree in Computer Science, Information Technology, Data Science, Artificial Intelligence, or related disciplines.

Why Join Us?

- Opportunity to shape enterprise AI transformation initiatives.
- Work on cutting-edge Generative AI and Agentic AI platforms.
- Collaborative and innovation-driven setting.
- Leadership role with strong career growth opportunities.
- Flexible and dynamic work culture.

📌 Associate Director - AI Architecture | GenAI, LLM Fine-Tuning, Agentic (Chennai)
🏢 Cognizant
📍 Chennai