26 Data Scientists jobs in Ireland
Machine Learning Scientist

Posted 8 days ago
Job Viewed
Job Description
_We're committed to bringing passion and customer focus to the business._
Corporate Overview
Proofpoint is a leading cybersecurity company protecting organizations' greatest assets and biggest risks: vulnerabilities in people. With an integrated suite of cloud-based solutions, Proofpoint helps companies around the world stop targeted threats, safeguard their data, and make their users more resilient against cyber-attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web.
We are singularly devoted to helping our customers protect their greatest assets and biggest security risk: their people. That's why we're a leader in next-generation cybersecurity.
Protection Starts with People. Proofpoint.
**The Role**
Proofpoint is looking for a Machine Learning Scientist to join the Algo team within the Tessian Business Unit. In this role, your key responsibility will be to analyse data, build ML models and improve algorithms at the core of our email threat detection engine that protects some of the largest businesses in the world. You will collaborate with Product and Engineering teams to identify and solve the most impactful problems applying state-of-the-art machine learning tools and techniques. You'll be surrounded by incredibly smart, talented and friendly colleagues. Engineers at Tessian love to learn from each other and pull together as a team to succeed.
*This is a Hybrid role; Cork or Belfast.
**Your day-to-day**
-Wrangle and draw meaningful insights from massive amounts of unstructured textual data using the latest tools and technologies like Spark, Iceberg, Athena, AWS SageMaker
-Apply unsupervised learning algorithms across billions of email interactions to identify emerging threat patterns
-Work with state-of-the-art machine learning models and techniques like encoder-decoder transformers, LLMs, anomaly detection as well as classical ML models to solve a multifaceted problem
-Engineer new features, train and deploy models to production using AWS SageMaker as the MLOps platform
-Adopt a data-driven approach to identify gaps in our detection algorithms and propose improvements to our models and algorithms
-Promote and drive ML best practices and cultivate an environment of experimentation and learning
-Stay up to date with the latest advancements in machine learning, AI technologies, and incorporate them into our solutions where applicable
**What you bring to the team**
Essential
-Experience contributing to multiple highly impactful machine learning projects with proven results
-Hands-on experience in the NLP domain involving training, fine-tuning and productionising transformer-based models for text classification / text-embeddings (experience with LLMs, generative AI is a plus)
-Experience monitoring and maintaining performance of models over time in production considering model/data drifts In-depth experience with one or more deep neural network frameworks (e.g. PyTorch, Tensorflow, JAX)
-A creative mindset, propensity to care deeply about the impact their team has and to encourage novel ways of critical thinking in their team
Good to have
-Conceptual understanding of Graph Neural Networks and experience applying GNNs to solve real world problem statements will be a plus
-Experience working on large imbalanced datasets, evaluating and selecting models that work well in production on imbalanced real-world data
Why Proofpoint
Protecting people is at the heart of our award-winning lineup of cybersecurity solutions, and the people who work here are the key to our success. We're a customer-focused and a driven-to-win organization with leading-edge products. We are an inclusive, diverse, multinational company that believes in culture fit, but more importantly 'culture-add', and we strongly encourage people from all walks of life to apply.
We believe in hiring the best and the brightest to help cultivate our culture of collaboration and appreciation. Apply today and explore your future at Proofpoint! #LifeAtProofpoint
#LI-Hybrid
_If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!_
Proofpoint has been honored with six Best Places to Work Awards in 2024 by workplace culture leader Comparably, including Best Company Career Growth, Best Company Outlook, Best Global Culture, Best Engineering Teams, Best Sales Teams, and Best HR Teams.
We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We're driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people.
Our BRAVE Values:
At Proofpoint, we are BRAVE in everything we do, and our values aren't just words-they shape how we work, collaborate, and grow.
We seek people who are bold enough to challenge the status quo, responsive in the face of ever-evolving threats, and accountable for delivering real impact.
We value those with a visionary mindset who anticipate what's next and push cybersecurity forward, and we celebrate exceptional execution that ensures we continue to defend data and protect people.
Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.
Find your network, your allies, and your biggest fans. We know that work is simply better when you're surrounded by people who inspire you-who share ideas, cheer you on, and genuinely want to see you succeed. That's why we offer social circles, sponsored networks, and connection points across teams and time zones-to help you find your people, build your community, and thrive together.
This isn't just a job-it's a mission to protect people and defend data in a world that never slows down. We're building the future of human-centric cybersecurity, and that future belongs to all of us. We take ownership, move fast, and hold ourselves accountable-because that's what it takes to stay ahead. And we do it together, winning as one.
Be empowered to reach your full potential through meaningful challenges and personalized support-designed around you and your goals. Whether you're growing as a leader or leveling up from great to exceptional as an individual contributor, we're here to help you get there.
Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.
Senior Machine Learning Engineer
Posted 3 days ago
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Job Description
Machine Learning Engineer - PyTorch/C++ Development (NPU Architecture Team)

Posted 8 days ago
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Job Description
QT Technologies Ireland Limited
**Job Area:**
Engineering Group, Engineering Group > ASICS Engineering
**General Summary:**
**About Qualcomm:** Qualcomm is a leader in wireless innovation, shaping the future of connected devices. Our cutting-edge technologies power billions of products worldwide, and our low-power Machine Learning (ML) solutions set the standard for efficiency and scalability.
**Role Overview:** Join Qualcomm's NPU Architecture team as a Machine Learning Engineer specializing in PyTorch/C++ development. In this role, you will create and optimize critical technologies for our compiler, quantization processes, ML workloads, and performance optimizations. You will also collaborate directly with strategic customers to deliver impactful solutions, shaping the future of energy-efficient ML technology. Your work will empower the world's lowest-power ML solution, deployed in more devices globally than any other.
**Key Responsibilities:**
+ Develop and enhance ML compilers using PyTorch and C++ tailored for Qualcomm's Neural Processing Unit (NPU) architecture.
+ Design and implement advanced quantization techniques to improve model efficiency and accuracy.
+ Optimize ML workloads for deployment across diverse devices, ensuring top-tier performance and energy efficiency.
+ Work directly with strategic customers to address specific challenges and deliver tailored ML solutions.
+ Collaborate with architecture and software engineering teams to integrate cutting-edge ML technologies into Qualcomm platforms.
+ Research, prototype, and implement innovative solutions in ML compiler design and system-level optimizations.
+ Evaluate and debug ML performance to identify and resolve bottlenecks in complex workflows.
+ Create thorough technical documentation to share knowledge and advancements with the team.
**Minimum Qualifications:**
- Bachelor's degree in Science, Engineering, or related field and 2+ years of ASIC design, verification, validation, integration, or related work experience.
OR
Master's degree in Science, Engineering, or related field and 1+ year of ASIC design, verification, validation, integration, or related work experience.
OR
PhD in Science, Engineering, or related field.
**Qualifications:**
+ Bachelor's or advanced degree in Computer Science, Electrical Engineering, Machine Learning, or a related discipline.
+ Strong expertise in PyTorch and C++ programming.
+ Experience with ML workload analysis, compiler development, and quantization techniques.
+ Familiarity with deep learning frameworks such as TensorFlow or ONNX is a plus.
+ Proven track record of solving complex performance and efficiency challenges in hardware-aware ML solutions.
+ Ability to work collaboratively with strategic customers and deliver impactful results.
+ Excellent analytical skills and ability to thrive in a high-performance team environment.
**Preferred Qualifications:**
+ Experience with ML model deployment on hardware accelerators such as GPUs, TPUs, or NPUs.
+ Understanding of system-level architecture and low-level programming.
+ Contributions to ML research or publications in relevant fields are an advantage.
**Why Join Qualcomm?** At Qualcomm, you'll be part of an innovative team that drives impactful advancements in ML technology. As a member of the NPU Architecture team, you'll work directly with strategic customers to create customized solutions while shaping the future of energy-efficient ML. Your contributions will support technology that powers more devices worldwide than any other ML solution.
*References to a particular number of years experience are for indicative purposes only. Applications from candidates with equivalent experience will be considered, provided that the candidate can demonstrate an ability to fulfill the principal duties of the role and possesses the required competencies.
Qualcomm is an equal opportunity employer. If you are an individual with a disability and need an accommodation during the application/hiring process, rest assured that Qualcomm is committed to providing an accessible process. You may e-mail or call Qualcomm's toll-free number found here ( . Upon request, Qualcomm will provide reasonable accommodations to support individuals with disabilities to be able participate in the hiring process. Qualcomm is also committed to making our workplace accessible for individuals with disabilities. (Keep in mind that this email address is used to provide reasonable accommodations for individuals with disabilities. We will not respond here to requests for updates on applications or resume inquiries).
Qualcomm expects its employees to abide by all applicable policies and procedures, including but not limited to security and other requirements regarding protection of Company confidential information and other confidential and/or proprietary information, to the extent those requirements are permissible under applicable law.
**To all Staffing and Recruiting Agencies** : Our Careers Site is only for individuals seeking a job at Qualcomm. Staffing and recruiting agencies and individuals being represented by an agency are not authorized to use this site or to submit profiles, applications or resumes, and any such submissions will be considered unsolicited. Qualcomm does not accept unsolicited resumes or applications from agencies. Please do not forward resumes to our jobs alias, Qualcomm employees or any other company location. Qualcomm is not responsible for any fees related to unsolicited resumes/applications.
If you would like more information about this role, please contact Qualcomm Careers ( .
EEO Employer: Qualcomm is an equal opportunity employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or any other protected classification
Lecturer in AI and Machine Learning for Life Science
Posted 7 days ago
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Job Description
Data Scientist
Posted 6 days ago
Job Viewed
Job Description
As a Fortune 5 business, we're one of the world's leading healthcare companies. There are no limits here on the resources you'll have or the challenges you'll encounter.
We have been supporting global healthcare systems from Ireland and the UK for more than 20 years, building a dynamic and diverse team of more than 2,100 talented individuals. With a continued record of growth and stability, we're on the constant lookout for fresh talent to join our expanding teams.
As a Software Engineer, you will be a fundamental part of a delivery project, leading one of our scrum teams within the Provider Tech space in Dublin. You will be working with a very technical piece of architecture and will collaborate with internal IT Specialists and strategic partners through all phases of the development life cycle.
**Schedule:** Full-time position, Monday - Friday with standard working hours
_Careers with Optum offer flexible work arrangements and individuals who live and work in the Republic of Ireland will have the opportunity to split their monthly work hours between our Dublin or Letterkenny Offices and telecommuting from a home-based office in a hybrid work model._
**Primary Responsibilities:**
+ Machine Learning Model Development:
+ Assist in designing and developing machine learning models to address business challenges
+ Perform data preprocessing and feature engineering
+ Support model selection and initial optimization
+ Model Deployment and Monitoring:
+ Assist in deploying machine learning models into production environments
+ Monitor model performance and suggest updates and improvements
+ Ensure models are reliable and maintainable
+ Data Science and Data Engineering:
+ Conduct exploratory data analysis and visualize data insights
+ Help develop and maintain data pipelines for efficient data processing
+ Experience in developing AI Agentic solutions
_You will be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role, as well as providing development for other roles you may be interested in._
**Required Qualifications:**
+ Programming skills in Python and PySpark
+ Understanding with Machine Learning Frameworks and Libraries (e.g., PyTorch, scikit-learn, TensorFlow, MLflow, Keras, XGBoost)
+ Experience with cloud platforms, particularly AWS AI services (Bedrock, SageMaker) and/or Azure OpenAI Service
+ Proven experience in developing and deploying LLM-powered applications in production
+ Understanding of modern NLP techniques (e.g. transformers, embeddings, prompt engineering)
+ Experience with foundation models and generative AI platforms (e.g. OpenAI, Anthropic, open-source models)
+ Experience in building RAG solutions with vector databases (e.g. pgvector, Pinecone, OpenSearch)
+ Exposure to AI orchestration frameworks such as LangChain, LangGraph and others
+ Familiarity with MLOps practices (deployment, monitoring, model lifecycle)
**Soft Skills:**
+ Communication and collaboration skills
**Please note you must currently be eligible to work and remain indefinitely without any restrictions in the country to which you are making an application. Proof will be required to support your application.**
_All telecommuters will be required to adhere to the UnitedHealth Group's Telecommuter Policy._
_At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission._
_Diversity creates a healthier atmosphere: Optum is an Equal Employment Opportunity employer, and all qualified applicants will receive consideration for employment without regard to gender, civil status, family status, sexual orientation, disability, religion, age, race, and membership of the Traveler community, or any other characteristic protected by law. Optum is a drug-free workplace. © 2024 Optum Services (Ireland) Limited. All rights reserved._
#RPO
Data Scientist
Posted 7 days ago
Job Viewed
Job Description
Optum is a global organisation that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start Caring. Connecting. Growing together.
**About the Role:**
As a Fortune 5 business, we're one of the world's leading healthcare companies. There are no limits here on the resources you'll have or the challenges you'll encounter.
We have been supporting global healthcare systems from Ireland and the UK for more than 20 years, building a dynamic and diverse team of more than 2,100 talented individuals. With a continued record of growth and stability, we're on the constant lookout for fresh talent to join our expanding teams.
You will be working on innovative AI projects driving and supporting various advanced analytic solutions aimed to improve healthcare delivery. You will be an important member of a Data Science team focused on innovation; developing predictive models that leverage data in new and exciting ways. It will give you a great opportunity to get into the Healthcare Data world and learn best practices in the industry working with data both on-prem and in cloud.
You will work in close collaboration with business and product stakeholders, as well as with Business Intelligence and Data Engineering teams. You will contribute across the Data Science toolset, patents or products in areas like shared codes, best practices, technology and quality. You will embrace continuous learning and evangelizing of Data Science practices to ensure industry best practices and technology adoption. In addition to having impact on a great team, you'll also discover the career opportunities you'd expect from an industry leader.
**Primary Responsibilities of the Data Scientist:**
- Research, interpret, and analyse diverse and complex data and communicate findings to inform the business.
- Work with business to develop and operationalize analytic solutions
- Leverage big data analytics infrastructure comprising Python, Spark, Databricks and Snowflake to solve complex business problems in the healthcare domain.
- Collaborate with fellow data scientists, business analysts, data engineers and subject matter experts to design and oversee the development of data science solutions.
- Contribute to and engage with the innovation and patenting programmes.
_You will be rewarded and recognised for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role, as well as providing development for other roles you may be interested in._
**Required Qualifications of the Data Scientist:**
- Degree in mathematics, physics, computer science, engineering, statistics, bioinformatics, actuarial science or similar.
**Technical Skills:**
- Ability to clean, transform, and analyze data using programming languages such as Python or SQL
- Experience with statistical modelling and machine learning techniques
- Proficiency in data visualization and communication of results
- Understanding of database management, data structures and modern big-data frameworks
**Business Skills:**
- Understanding of business objectives and ability to translate them into data science projects
- Familiarity with project management methodologies and ability to manage projects with clear timelines and deliverables
- Ability to collaborate with cross-functional teams and communicate technical concepts to non-technical stakeholders
- Understanding of ethical considerations in data science and ability to apply them in practice
**Interpersonal Skills:**
- Good communication skills and ability to work collaboratively in a team environment
- Demonstrated ability to learn quickly and adapt to new technologies and tools
- Attention to detail and ability to prioritise tasks effectively
- Strong problem-solving skills and ability to work independently to solve complex problem
- Strong presentation skills and ability to communicate complex technical concepts to non-technical stakeholders
**Preferred Qualifications:**
- Masters or PhD in applied mathematics, physics, computer science, engineering, statistics, bioinformatics, actuarial science or similar.
- Proficiency in Python, PySpark and other relevant environments.
- Experience or knowledge with cloud-based data analytics such as Azure, Snowflake and Databricks
- Experience in working with healthcare and/or temporal data.
- Track record of designing and applying machine learning solutions for real world problems.
**Please note you must currently be eligible to work and remain indefinitely without any restrictions in the country to which you are making an application. Proof will be required to support your application.**
All telecommuters will be required to adhere to the UnitedHealth Group's Telecommuter Policy.
_At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalised groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission._
_Diversity creates a healthier atmosphere: Optum is an Equal Employment Opportunity employer and all qualified applicants will receive consideration for employment without regard to gender, civil status, family status, sexual orientation, disability, religion, age, race, and membership of the Traveller community, or any other characteristic protected by law. Optum is a drug-free workplace. © 2024 Optum Services (Ireland) Limited. All rights reserved._
**_#RPO #BBMEMEA_**
Data Scientist

Posted 8 days ago
Job Viewed
Job Description
As we continue to grow, we're looking for Data Scientists to join our expanding team. In this role, you'll research and develop advanced algorithms that address emerging challenges in the industrial and energy domains. You'll work closely with cross-functional teams to turn data into actionable insights and deployable solutions.
**What you'll do:**
+ Research and develop cutting-edge AI and data science algorithms
+ Analyze data to uncover insights and inform algorithm development
+ Incorporate system constraints into algorithm and dataset design
+ Design experiments and create high-quality labelled datasets
+ Plan and manage projects using Agile methodologies
+ Document and present solutions using diagrams, code, and performance metrics
+ Stay current with the latest tools, techniques, and academic research
**Qualifications:**
+ MSc or PhD in Data Science, Computer Science, Engineering, Physics, or a related field
+ 1-4 years of experience applying data science to real-world problems
+ Proficiency in Python, MATLAB, Simulink, and C/C++ Experience with algorithm optimization, embedded deployment, and automatic code generation
+ Familiarity with signal processing and machine learning for power systems is a plus
+ Strong communication skills and ability to work in cross-functional teams
+ Experience with Agile development and mentoring is desirable
+ A track record of academic publications or intellectual property generation is a bonus
**What we offer:**
+ Competitive Compensation & Benefits: Including pension, private health insurance, wellness programs, and more
+ Challenging & Impactful Work: Engage in cutting-edge projects within a dynamic, collaborative team environment
+ Career Growth: We prioritize internal mobility and support your professional aspirations through clear development pathways
+ Continuous Learning: Access to ongoing training and development through Eaton University and other learning platforms
+ Long-Term Investment in You: At Eaton, we don't just offer jobs-we build careers
#LI-MM2
We are committed to ensuring equal employment opportunities for job applicants and employees. Our recruitment processes use balanced selection criteria and avoid unlawful discrimination against applicants on the basis of their age, colour, disability, marital status, national origin, gender, gender identity, genetic information, race or racial origin, religion, sexual orientation or any other status protected or required by law.
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Data Scientist
Posted 18 days ago
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Staff Data Scientist
Posted today
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Job Description
Apptio, an IBM Company, is seeking a Staff Data Scientist to join our growing AI & Data Science team. In this senior technical leadership role, you will architect and drive cutting-edge ML and generative AI solutions that transform Apptio's FinOps and Technology Business Management (TBM) product suite.
You'll leverage your deep technical expertise and strategic mindset to lead projects from ideation to production, mentor team members, and shape the future of AI-driven insights for the world's leading enterprises-empowering them to optimize cloud and IT spend with intelligent, predictive, and actionable solutions.
**Your role and responsibilities**
* Lead the vision, design, and delivery of advanced ML models and generative AI capabilities that define and differentiate Apptio's product offerings.
* Drive AI strategy by identifying, prioritizing, and architecting high-impact ML initiatives aligned with Apptio's product and business roadmaps.
* Own end-to-end ML workflows, from raw data ingestion and scalable feature engineering to production deployment and lifecycle management, ensuring reproducibility, robustness, and maintainability.
* Provide deep technical leadership and thought partnership to data scientists, machine learning engineers, and cross-functional teams; champion a culture of technical excellence and innovation.
* Translate ambiguous, complex business and technical challenges into well-scoped, measurable ML solutions with clear KPIs, aligned with organizational goals.
* Act as a strategic advisor to product, engineering, and executive teams, influencing decision-making on AI/ML investments, product integrations, and technology directions.
* Stay on the leading edge of AI/ML advancements, especially in generative models, NLP, large-scale ML systems, and cloud cost optimization, and proactively assess their applicability to our products.
* Promote and establish best practices in ML development, model interpretability, reproducibility, model monitoring, and responsible AI, ensuring compliance with data governance and ethical standards.
**Required technical and professional expertise**
* Extensive experience in data science, applied machine learning, or related roles, with a proven track record of delivering high-impact ML solutions in production environments.
* Advanced proficiency in Python and core ML libraries (scikit-learn, pandas, NumPy) as well as deep learning frameworks such as PyTorch, TensorFlow, or Hugging Face Transformers.
* Extensive knowledge of ML algorithms, statistical modeling, and deployment of production-grade solutions at scale.
* Experience architecting ML systems working with large-scale datasets, structured and unstructured data, and cloud-native data platforms; deep SQL expertise.
* Demonstrated ability to lead complex projects, mentor senior engineers or scientists, and partner effectively with product, engineering, and executive stakeholders.
* Excellent communication skills with the ability to distill complex technical concepts for diverse audiences and drive alignment across teams.
**Preferred technical and professional experience**
* Experience in FinOps, cloud cost optimization, enterprise financial systems, or IT operations.
* Hands-on expertise with generative AI, LLMs, and natural language processing, including deploying or fine-tuning foundation models.
* Deep understanding of MLOps practices and tools (e.g., MLflow, SageMaker, Airflow) for managing the ML lifecycle.
* Familiarity with Apptio products (ApptioOne, Cloudability, Targetprocess) is a plus.
* Knowledge of data governance, model risk management, and responsible AI frameworks, with experience implementing them in production environments.
IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.
Principal Data Scientist

Posted 1 day ago
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Job Description
**About the Role:**
In healthcare, evolution doesn't just happen. It takes innovation, imagination, and a passion for solving problems in new and better ways. And innovation is taking place at a lightning-fast pace every day at Optum.
As the fastest growing part of the UnitedHealth Group family of businesses, we're expanding our team in Ireland and creating excellent opportunities for those who want greater purpose and more impact in their work. We'll provide the investment, support, and resources to advance your career. You'll provide the talent, ambition, and drive.
Are you a self-starter with a passion for innovation, adaptability, and solving complex problems? If so, this opportunity could be the next big step in your career. We're building powerful data capabilities to uncover breakthrough solutions and unlock untapped opportunities in the marketplace.
If you thrive in fast-paced, evolving environments and are driven by the desire to make a meaningful impact, we want to hear from you. Join us and start doing your life's best work.
Join our dynamic and forward-thinking Data Analytics team as a Principal Data Scientist, where you'll play a pivotal role in transforming how we manage Out-of-Network healthcare services. This is a high-impact position focused on driving innovation, reducing medical costs, and enabling scalable growth through data-driven strategies.
In this role, you will partner with our IT teams to development data pipelines, and you will lead advanced analytics initiatives that empower our organization with intelligent, actionable insights. Your work will directly influence Senior Leadership's strategic decision-making, accelerate our speed-to-market, and enhance our competitive edge by embedding a data-first mindset across the business.
_Careers with Optum offer flexible work arrangements and individuals who live and work in the Republic of Ireland will have the opportunity to split their monthly work hours between our Dublin office and telecommuting from a home-based office._
**Primary Responsibilities:**
- Act as a functional SME for Data Science within the Data and Analytics team and wider business
- Work alongside IT and data analysts to design and implement models and experiments from end to end, including data ingestion and preparation, feature engineering, analysis and modeling, model deployment, performance tracking and documentation
- Visualize out-of-network pattern changes and network exposures as provider market share and patient dynamics shift; create predictive models that advance our out-of-network business
- Analyze, review and interpret complex data through the development of case-studies, enabling the data to tell a story
- Understand and identify drivers of patterns/behaviors uncovered in data
- Contribute to the design and realization of analytical based tools/assets to identify and monitor non-standard patterns
- Collaborate cross-functionally with subject-matter experts to explore business problems and design solutions
- Share analysis and interpretation for operational and business review and strategic planning
- Contribute short and long term operational/strategic business activities through analysis
- Ideate and develop strategic solutions with business partners to mitigate rising trends in medical costs
- Develop recommended business solutions through research and analysis of data and business process and implement when appropriate
You will be rewarded and recognised for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role, as well as providing development for other roles you may be interested in.
**Required Qualifications:**
- Bachelor's Degree in a relevant discipline (i.e. applied mathematics, physics, computer science) or relevant work experience
- Demonstrable success within a Data Science environment focused on agile thinking and innovative solutions, delivering complex and challenging projects
- Experience applying computational algorithms, statistical and programming methods using (R and Python) to structured and unstructured data
- Proven experience in understanding complex problems and datasets and driving data testing and strategic testing of ideas to come up with first-class solutions
- Demonstrated ability to own and lead projects that deliver real business value
**Preferred Qualifications:**
- MS/PhD in applied mathematics, physics, computer science, engineering, statistics, bioinformatics, actuarial science or similar numerical degree
- Experience and understanding of US healthcare system, billing of medical claims and associated data environments
- Experience creating Machine learning solutions to solve complex issues
**Please note you must currently be eligible to work and remain indefinitely without any restrictions in the country to which you are making an application. Proof will be required to support your application.**
All telecommuters will be required to adhere to the UnitedHealth Group's Telecommuter Policy.
At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalised groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission.
Diversity creates a healthier atmosphere: Optum is an Equal Employment Opportunity employer and all qualified applicants will receive consideration for employment without regard to gender, civil status, family status, sexual orientation, disability, religion, age, race, and membership of the Traveller community, or any other characteristic protected by law. Optum is a drug-free workplace. © 2025 Optum Services (Ireland) Limited. All rights reserved.
#BBMEMEA