Data Science & AI/ML Lead
About the role
As a Data Science & AI/ML Lead, you will make an impact by leading the design, development, and optimization of enterprise AI solutions that transform experimental models into scalable, production-grade capabilities. You will be a valued member of the AI Engineering team and work collaboratively with architects, data engineers, cloud specialists, and business stakeholders to deliver innovative AI-powered solutions.
In this role, you will:
- Lead the development of AI and machine learning solutions, including data preparation, model training, fine-tuning, and deployment strategies.
- Design and implement scalable data pipelines to curate, cleanse, and prepare structured and unstructured data for machine learning and foundation model training.
- Build and optimize complex agentic AI workflows using modern orchestration frameworks to drive intelligent automation and decision-making.
- Architect advanced Retrieval-Augmented Generation (RAG) solutions, including semantic search, vector embeddings, re-ranking strategies, and document retrieval optimization.
- Establish robust evaluation and benchmarking frameworks to measure model accuracy, reliability, safety, and performance while collaborating on cloud-native AI deployments.
Work model
For Hybrid Roles
We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring [X] days a week in a client or Cognizant office in [Location]. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.
What you need to have to be considered
- 10+ years of experience in Data Science, Machine Learning, or AI Engineering, including experience preparing and managing large-scale datasets.
- Expert-level proficiency in Python and machine learning frameworks such as PyTorch, TensorFlow, and Scikit-learn.
- Hands-on experience with large language models (LLMs), small language models (SLMs), prompt engineering, and agentic AI frameworks.
- Strong knowledge of vector databases, semantic search architectures, and SQL/NoSQL data platforms.
- Experience working with cloud AI platforms such as Azure AI Foundry, Vertex AI, or Amazon SageMaker, including model deployment and operationalization.
These will help you stand out
- Experience implementing advanced RAG architectures and enterprise search solutions.
- Expertise in model fine-tuning techniques such as LoRA, PEFT, and hyperparameter optimization.
- Experience establishing AI evaluation and benchmarking frameworks using tools such as RAGAS or TruLens.
- Knowledge of synthetic data generation, data labeling strategies, and responsible AI practices including bias mitigation.
- Experience deploying AI solutions in cloud-native and containerized environments across Azure, AWS, or Google Cloud Platform.
Acerca de Cognizant
Cognizant (Nasdaq: CTSH) es un creador de soluciones de IA y proveedor de servicios tecnológicos que conecta la inversión en IA con el valor empresarial mediante el desarrollo de soluciones de IA full‑stack para sus clientes. Su profundo conocimiento de la industria, junto con su experiencia en procesos e ingeniería, permite incorporar el contexto único de cada organización en sistemas tecnológicos que amplifican el potencial humano, generan resultados tangibles y mantienen a las empresas a la vanguardia en un entorno en constante cambio. Más información en cognizant.ai o @cognizant.
Información adicional de empleo
La información de compensación es precisa a la fecha de esta publicación. Cognizant se reserva el derecho de modificar esta información en cualquier momento, sujeto a la legislación aplicable.
Es posible que se requiera que los solicitantes asistan a entrevistas en persona o por videoconferencia. Además, es posible que se requiera que los candidatos presenten su identificación actual emitida por el estado o gobierno durante cada entrevista.
Cognizant es un empleador que ofrece igualdad de oportunidades. Tu solicitud y candidatura no serán consideradas en base a raza, color, sexo, religión, credo, orientación sexual, identidad de género, origen nacional, discapacidad, información genética, embarazo, condición de veterano o cualquier otra característica protegida por las leyes federales, estatales o locales.
Si tienes una discapacidad que requiere adaptaciones razonables para buscar una vacante de trabajo o enviar una solicitud, puedes enviar un correo electrónico a [email protected] con tu solicitud e información de contacto.
