# Senior Data Scientist

**Company**: ICON
**Location**: Dublin
**Work arrangement**: hybrid
**Experience**: senior
**Job type**: full-time
**Category**: Data Science
**Industry**: Healthcare

**Apply**: https://icon.wd3.myworkdayjobs.com/en-US/broadbean_external/job/Ireland-Dublin/Senior-Data-Scientist_JR162229-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
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## Description

ICON is a global healthcare intelligence and clinical research organisation united by a mission to bring new medicines and treatments to patients faster.

As a Senior Data Scientist at ICON, you will play a key role in designing, building and deploying advanced machine learning and generative AI solutions that move from proof of concept through to production.

## What You Will Be Doing:

- Leading the design, development and validation of machine learning, NLP and large language model (LLM) solutions that address priority business challenges across clinical operations, feasibility and scientific intelligence.

- Translating complex or ambiguous business questions into well-defined analytical approaches with clear success measures and delivery milestones.

- Designing and developing retrieval-augmented generation (RAG), information extraction and agentic AI workflows using structured and unstructured clinical and operational data.

- Applying robust statistical, experimental and causal inference methods to quantify impact and support evidence-based decision-making.

- Partnering with Data and ML Engineering teams to take solutions from proof of concept into robust, monitored production services using Azure and Microsoft Fabric.

- Implementing MLOps and LLMOps practices, including model versioning, reproducible pipelines, automated evaluation, and performance and drift monitoring.

- Developing evaluation frameworks for generative AI solutions, considering areas such as accuracy, groundedness, bias, safety and cost.

- Ensuring solutions comply with ICON's regulatory and quality requirements, including GxP/GCP, 21 CFR Part 11, GDPR and HIPAA.

- Contributing to responsible AI practices, including model documentation, validation evidence and assessment of third-party and vendor technologies.

- Acting as a trusted technical advisor to stakeholders and communicating complex technical findings in clear, accessible language.

- Mentoring junior and mid-level Data Scientists through code reviews, pairing and knowledge sharing.

- Contributing to the team's technical roadmap, reusable components and engineering standards.

## Your Profile :

- MSc or PhD in Data Science, Computer Science, Statistics, Mathematics, Life Sciences or another relevant quantitative discipline, or equivalent professional experience.

- 5+ years of hands-on experience delivering Data Science or Machine Learning solutions, including experience taking at least one solution into production.

- Strong Python and SQL skills, with experience using libraries and frameworks such as pandas, scikit-learn, PyTorch or Hugging Face.

- Practical experience working with large language models, prompt engineering, embeddings, vector search and RAG architectures.

- Strong grounding in statistics, experimental design and model evaluation.

- Experience working with cloud platforms, preferably Microsoft Azure, and modern MLOps technologies such as MLflow, Docker, CI/CD and orchestration tools including Airflow.

- Excellent communication and stakeholder management skills, with the ability to influence both technical and non-technical audiences.

- Experience within pharma, CRO, healthcare or another regulated industry would be advantageous.

- Familiarity with clinical trial data and standards, such as CDISC, clinical study protocols, site data and investigator data, would be beneficial.

- Experience with Microsoft Fabric, Azure OpenAI/AI Foundry, AKS or knowledge graph technologies would be advantageous.

- Knowledge of causal inference, network analysis or optimisation methods would be beneficial.

- A track record of publications, open-source contributions or patents would be an advantage.

## Rewards & Benefits

- Competitive base salary and performance related incentives

- Health and wellbeing programmes including medical, dental, and vision coverage where applicable

- Retirement and pension plans

- Life assurance and disability coverage

- Employee assistance programmes and wellbeing resources

- Learning and development opportunities through structured training and career pathways

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## Skills

### Required
- Python
- SQL
- machine learning
- NLP
- large language models
- Azure
- Microsoft Fabric
- MLOps
- LLMOps
- statistics
- experimental design
- model evaluation

### Nice to have
- Microsoft Azure
- MLflow
- Docker
- Airflow
- Azure OpenAI/AI Foundry
- AKS
- knowledge graph technologies
- causal inference
- network analysis
- optimisation methods
- CDISC
- clinical study protocols

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