AI Engineer

Johnson Controls, Inc.; San Pedro Garza García; On-site; MXN 900,000 - 1,300,000; Full time

Job summary

Johnson Controls International (JCI) seeks a Senior AI Engineer to join our Data Science and Analytics team. You will lead development and deployment of scalable AI solutions, including LLM-powered systems, to accelerate digital transformation across products, operations, and customer experiences.

You will mentor teams, shape the AI engineering strategy, and advance governance and model deployment in enterprise environments.

Qualifications

• 5+ years of hands-on experience in AI engineering, data science, or machine learning.
• Experience with LLMs or generative AI technologies.
• Proven deployment of ML and NLP solutions at scale.
• Cloud AI platforms experience (Azure OpenAI, Azure ML, Hugging Face, AWS Bedrock).
• Proficiency in Python and SQL; familiarity with ML frameworks.

Responsibilities

• Design and implement advanced ML models including deep learning, time-series forecasting, recommender systems, and LLM-based solutions.
• Develop use cases around enterprise search, document summarization, conversational AI, and retrieval-augmented generation.
• Fine-tune or prompt-engineer foundation models for domain-specific applications.
• Evaluate and optimize LLM performance, latency, cost, and mitigation of hallucinations.
• Collaborate with data/ML engineering to integrate LLM-powered apps into scalable pipelines.
• Support deployment with MLOps principles and robust monitoring.
• Lead workshops to demonstrate the value of LLM use cases across units.
• Mentor AI engineering teams and contribute to strategic roadmaps for generative AI.

Skills

Python

SQL

LLMs / Generative AI

Leadership

Communication

Education

Education in Data Science, AI, CS or related quantitative discipline

Tools

Transformers (Hugging Face)

LangChain

PyTorch

TensorFlow

Azure OpenAI / Azure ML / AWS Bedrock

Job description

Johnson Controls International (JCI) is seeking aSeniorAI Engineerto join our innovative and impact-driven Data Science and Analytics team. This role is ideal 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.

Data Strategy & Engineering Collaboration

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 use cases across business units.

Translate complex model outputs, including those from LLMs, into clear insights and decision support tools for non-technical audiences.

Thought Leadership & Mentorship

Act as an internal thought leader on AI and LLM innovation, keeping JCI at the forefront of industry advancements.

Mentor and upskillAI engineeringteam members in advanced AI techniques, including transformer models and generative AI frameworks.

Contribute to strategic roadmaps for generative AI and model governance within the enterprise.

Qualifications & Experience

Educationin Data Science, Artificial Intelligence, Computer Science, or related quantitative discipline.

5+ years of hands-on experience inAI engineering,data science,or machine learning,including at least 1–2 years working with LLMs or generative AI technologies.

Demonstrated success in deploying machine learning and NLP solutions at scale.

Proven experience with cloud AI platforms—especially Azure OpenAI, Azure ML, Hugging Face, or AWS Bedrock.

Technical Expertise

Proficiencyin Python and SQL, including libraries like Transformers (Hugging Face),Microsoft Agent Framework,LangChain,PyTorch, and TensorFlow.

Experience with prompt engineering, fine-tuning, and LLM orchestration tools.

Familiarity with data storage, retrieval systems, and vector databases.

Strong understanding of model evaluation techniques for generative AI, including factuality, relevance, and toxicity metrics.

Leadership & Soft Skills

Strategic thinker with a strong ability to align AI initiatives to business goals.

Excellent communication and storytelling skills, especially in articulating the value of LLMs and advanced analytics.

Strong collaborator witha track recordof influencing stakeholders across product, engineering, and executive teams.

Preferred Qualifications

Experience with IoT, edge analytics, or smart building systems.

Familiarity withLLMOps,LangChain, Semantic Kernel, or similar orchestration frameworks.

Knowledge of data privacy and governance considerations specific to LLM usage in enterprise environments.

Johnson Controls does not request pregnancy or HIV testing as a condition for hiring, continued employment, or promotion , in accordance with its commitment to labor equality and non-discrimination.