Company Overview
KLA is a global leader in diversified electronics for the semiconductor manufacturing ecosystem. Virtually every electronic device in the world is produced using our technologies. No laptop smartphone wearable device voice-controlled gadget flexible screen VR device or smart car would have made it into your hands without us. KLA invents systems and solutions for the manufacturing of wafers and reticles integrated circuits packaging printed circuit boards and flat panel displays. The innovative ideas and devices that are advancing humanity all begin with inspiration research and development. KLA focuses more than average on innovation and we invest 15% of sales back into R&D. Our expert teams of physicists engineers data scientists and problem-solvers work together with the worlds leading technology providers to accelerate the delivery of tomorrows electronic devices. Life here is exciting and our teams thrive on tackling really hard problems. There is never a dull moment with us.
Group / Division
The Information Technology (IT) group at KLA is involved in every aspect of the global business. ITs mission is to enable business growth and productivity by connecting people process and technology. It focuses not only on enhancing the technology that enables our business to thrive but also on how employees use and are empowered by technology. This integrated approach to customer service creativity and technological excellence enables employee productivity business analytics and process excellence.
Job Description / Preferred Qualifications
Role
You will be part of a cutting-edge team working on Large Language Models (LLMs) Machine Learning Deep Learning and Retrieval-Augmented Generation (RAG) pipelines. Youll help design build and evaluate AI systems that solve complex real-world problems at scale.
Key Responsibilities
Develop and optimize RAG pipelines : document chunking embedding generation vector storage retrieval reranking and grounded generation with citations.
Work on LLM-based applications : fine-tuning open-source models (LLaMA Mistral etc.) building prompt strategies and deploying inference services.
Contribute to machine learning models (classification regression recommendation anomaly detection) and deep learning architectures (CNNs RNNs Transformers).
Implement robust model evaluation frameworks (accuracy F1 BLEU perplexity hallucination detection relevance).
Collaborate with senior engineers on scalable pipelines guardrails and integration with enterprise systems.
Required Skills
Programming & Foundations
Strong in Python data structures and algorithms.
Hands-on with NumPy Pandas Scikit-learn for ML prototyping.
Machine Learning
Understanding of supervised / unsupervised learning regularization feature engineering model selection cross-validation ensemble methods (XGBoost LightGBM).
Deep Learning
Proficiency with PyTorch (preferred) or TensorFlow / Keras.
Knowledge of CNNs RNNs LSTMs Transformers Attention mechanisms.
Familiarity with optimization (Adam SGD) dropout batch norm.
LLMs & RAG
Hugging Face Transformers (tokenizers embeddings model fine-tuning).
Vector databases (Milvus FAISS Pinecone ElasticSearch).
Prompt engineering function / tool calling JSON schema outputs.
Data & Tools
SQL fundamentals; exposure to data wrangling and pipelines.
Git / GitHub Jupyter basic Docker.
Nice to Have
Built a personal ML / LLM project (chatbot RAG app document Q&A finetuned model).
Familiarity with LangChain / LlamaIndex / Agno frameworks.
Knowledge of cloud platforms (Azure / AWS / GCP) and MLOps basics (CI / CD MLflow W&B).
Exposure to knowledge graphs or multi-agent workflows.
What Were Looking For
Solid academic foundation with strong applied ML / DL exposure.
Curiosity to learn cutting-edge AI and willingness to experiment.
Clear communicator who can explain ML / LLM trade-offs simply.
Strong problem-solving and ownership mindset.
Minimum Qualifications
Doctorate (Academic) Degree and 0 years related work experience; Masters Level Degree and related work experience of 3 years; Bachelors Level Degree and related work experience of 5 years
We offer a competitive family friendly total rewards package. We design our programs to reflect our commitment to an inclusive environment while ensuring we provide benefits that meet the diverse needs of our employees.
KLA is proud to be an equal opportunity employer
Be aware of potentially fraudulent job postings or suspicious recruiting activity by persons that are currently posing as KLA employees. KLA never asks for any financial compensation to be considered for an interview to become an employee or for equipment. Further KLA does not work with any recruiters or third parties who charge such fees either directly or on behalf of KLA . Please ensure that you have searched KLAs Careers website for legitimate job postings. KLA follows a recruiting process that involves multiple interviews in person or on video conferencing with our hiring managers. If you are concerned that a communication an interview an offer of employment or that an employee is not legitimate please send an email to to confirm the person you are communicating with is an employee. We take your privacy very seriously and confidentially handle your information.
Key Skills
Apache Hive,S3,Hadoop,Redshift,Spark,AWS,Apache Pig,NoSQL,Big Data,Data Warehouse,Kafka,Scala
Employment Type : Full-Time
Experience : years
Vacancy : 1
Ai Ml Engineer • Chennai, Tamil Nadu, India