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    Johnson Controls International (JCI) is seeking a Senior Data Scientist to 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).

    What you will do

    As a Senior Data Scientist, 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'll play a critical role in shaping JCI’s data science strategy, 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 and optimize LLM 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 using MLOps principles, ensuring robust monitoring and lifecycle management.

    Business Impact & AI Strategy

    • Partner with cross-functional stakeholders to identify opportunities for applying LLMs and generative AI to solve complex business challenges.

    • Lead workshops or proofs-of-concept to demonstrate value 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 upskill data science team 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.

    What we look for

    Qualifications & Experience

    • Education in Data Science, Artificial Intelligence, Computer Science, or related quantitative discipline.

    • 5+ years of hands-on experience in data science, 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.

    • Open to travel 20%

    Technical Expertise

    • Proficiency in Python and SQL, including libraries like Transformers (Hugging Face), 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 with a track record of influencing stakeholders across product, engineering, and executive teams.

    Preferred Qualifications

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

    • Familiarity with LLMOps, LangChain, Semantic Kernel, or similar orchestration frameworks.

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

    HIRING SALARY RANGE: $100,000  – 134,000 (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, location and alignment with market data.) This position includes a competitive benefits package. For details, please visit the About Us tab on the Johnson Controls Careers site at https://jobs.johnsoncontrols.com/about-us

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    I confirm that I am submitting this electronic application on my own behalf, and not on behalf of any other person, and that the information contained in this application is my own personal information. I hereby affirm that the information provided during the application process and any accompanying documents attached including my resume/CV or provided during any discussion or interviews, are true and complete to the best of my knowledge. To the extent permitted by applicable local law, I authorize Johnson Controls and its affiliates, subsidiaries and operating segments (collectively, the Company) to investigate all statements in this application and accompanying documents and to secure any necessary information from all my employers, references, and educational institutions.

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    A Johnson Controls, Inc. (a "Empresa") é uma Empresa com uma política ativa de igualdade de oportunidades e cumpre as leis federais aplicáveis e os regulamentos de implementação, que exigem a coleta e registro de certos dados/informações. Nesse sentido, pedimos que você considere fornecer voluntariamente as informações estabelecidas abaixo. Observe que as informações não serão usadas para tomar quaisquer decisões de emprego e serão mantidas em sigilo e separadas de sua candidatura de emprego. O envio dessas informações é voluntário, e a recusa em fornecê-las não sujeitará você a qualquer ação adversa.

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    A Johnson Controls, Inc. é uma contratada do governo sujeita ao Ato de Assistência ao Reajuste dos Veteranos do Vietnã de 1974, conforme alterada pelo Ato de Empregos para Veteranos de 2002, 38 USC4212 (“VEVRAA”), que exige que os contratados do governo apliquem a ação afirmativa para empregar e progredir no emprego: (1) veteranos deficientes; (2) veteranos recentemente na reserva; (3) veteranos da ativa em tempo de guerra ou com emblema de campanha; e (4) veterano condecorado ao serviço das Forças Armadas. Essas classificações são definidas da seguinte forma:

    • Veterano deficiente é um dos seguintes:
      • Um veterano do serviço militar, terrestre, naval ou aéreo dos EUA que tem direito à remuneração (ou que, exceto pelo recebimento de pagamento de militar aposentado, teria direito à remuneração), de acordo com as leis regidas pela Secretaria de Assuntos de Veteranos; ou
      • Uma pessoa que foi dispensada do serviço ativo por causa de uma deficiência relacionada ao serviço.
    • Veterano recentemente na reserva significa qualquer veterano durante o período de três anos, começando na data de dispensa ou liberação do serviço ativo no serviço militar, terrestre, naval ou aéreo dos EUA.
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    • Veterano condecorado ao serviço das Forças Armadas significa um veterano que, enquanto estava na ativa do serviço militar, terrestre, naval ou aéreo dos EUA, participou de uma operação militar dos Estados Unidos para a qual uma medalha de serviço das Forças Armadas foi concedida de acordo com a Ordem Executiva 12985.

    Se você acredita que pertence a qualquer uma das categorias de veteranos protegidos listadas acima, indique marcando a caixa apropriada abaixo. Como contratante do governo sujeito à VEVRAA, solicitamos essas informações para medir a eficácia dos esforços de divulgação e recrutamento positivos que empreendemos, de acordo com a VEVRAA.

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    As informações que você enviarão serão mantidas em sigilo, exceto que (i) supervisores e gestores podem ser informados sobre restrições ao trabalho ou deveres de veteranos deficientes, e sobre as acomodações necessárias; (ii) o pessoal de primeiros socorros e segurança pode ser informado, quando e na medida apropriada, se você tiver uma condição que possa exigir tratamento de emergência; e (iii) Funcionários do governo envolvidos na aplicação das leis regidas pelo Office of Federal Contract Compliance Programs, ou aplicar a Lei dos Americanos com Deficiências, podem ser informados.

    A Johnson Controls, Inc. cumpre os requisitos de 41 CFR 60-300.5 (a). Este regulamento requer ação afirmativa por parte dos contratantes cobertos para empregar e avançar no emprego de veteranos protegidos qualificados.


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