Johnson Controls International (JCI) is seeking aSeniorAI Engineerto join our innovative and impact-driven Data Science and Analytics team. This role is adecuado for a seasoned expert with a deep understanding of machine learning, AI, and cloud data platforms, and a strong grasp of the latest advancements in Generative AI and Large Language Models (LLMs).

As a SeniorAI Engineer, you will lead the development and deployment of scalable AI solutions—including those powered by LLMs—to accelerate digital transformation across our products, operations, and customer experiences.You'llplay a critical role in shaping JCI’sAI engineeringstrategy, mentoring teams, and driving the use of AI to deliver measurable business value.

How you will do it

Advanced Analytics, LLMs & Modeling
- Design and implement advanced machine learning models including deep learning, time-series forecasting, recommendation engines, and LLM-based solutions (e.g., GPT,LLaMA, Claude).
- Develop use cases around enterprise search, document summarization, conversational AI,



and automated knowledge retrieval using large language models.
- Fine-tune or prompt-engineer foundation models (e.g., OpenAI, Azure OpenAI, Hugging Face) for domain-specific applications.
- Evaluate andoptimizeLLM performance, latency, cost-effectiveness, and hallucination mitigation strategies for production use.
- Work closely with data and ML engineering teams to integrate LLM-powered applications into scalable, secure, and reliable pipelines.
- Contribute to the development of retrieval-augmented generation (RAG) architectures using vector databases (e.g., FAISS, Azure Cognitive Search).
- Support the deployment of models usingMLOpsprinciples, ensuring robust monitoring and lifecycle management.

Business Impact & AI Strategy
- Partner with cross-functional stakeholders toidentifyopportunities for applying LLMs and generative AI to solve complex business challenges.
- Lead workshops orproofs-of-concepttodemonstratevalue of LLM us

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