54 Junior Scientist jobs in Ireland

**Job Description:**
Hertz is one of the world's largest global mobility organizations and is currently undergoing a major digital transformation. As the operator of the largest electric vehicle (EV) rental fleet, Hertz is combining its brand strength and global fleet management expertise with cutting-edge technology and innovation to redefine the future of travel, mobility, and the automotive industry. Hertz is committed to becoming a key player in the modern mobility ecosystem, with a focus on electrification, shared mobility, and delivering a digital-first customer experience.
As a Data Scientist at Hertz, you'll have the opportunity to work on high-impact strategic initiatives and solve complex challenges using state-of-the-art technologies. You'll play a critical role in enabling and optimizing our digital, connected fleet, pricing, and ridesharing products. This includes fostering collaboration, building partnerships, co-developing innovative solutions, and delivering actionable insights to leadership to inform strategy, surface opportunities, and highlight potential risks. Your work will help drive data-informed decisions across the organization, fuel operational efficiency and revenue growth, and support our broader vision for the future of mobility.
**What You'll Do:**
+ Build and maintain descriptive, predictive, and prescriptive models to optimize existing processes and uncover market opportunities for new products and services.
+ Define and analyse success and performance metrics for current and upcoming business initiatives, with a strong emphasis on A/B testing.
+ Integrate and curate data from a variety of internal and external sources to develop detailed reports, datasets, and advanced analytics that support data-driven decision-making across the business.
+ Use data visualization tools to clearly communicate insights to technical, non-technical, and senior stakeholders.
+ Break down and solve complex business challenges using quantitative and analytical approaches, identifying patterns and correlations within large, complex datasets.
**What We're Looking For:**
+ Minimum 3 years of hands-on experience in a data science role.
+ Minimum 2 years of experience with cloud-based big data, machine learning, and analytics technologies - preferably with Databricks.
+ Experience working with Google Tag Manager clickstream data is a strong plus.
+ Proficient in SQL, with experience handling both structured and unstructured data.
+ Strong experience in Python or similar scripting languages.
+ Strong interpersonal and communication skills, with experience working in agile/scrum environments.
+ Excellent problem-solving and critical thinking abilities, with a proven track record of identifying root causes and delivering simple, logical solutions to complex problems.
+ Exceptional verbal, written, and presentation skills, with the ability to effectively communicate both technical and non-technical information across all levels of the organization.
+ A bachelor's degree or higher in Computer Science or a quantitative field such as Statistics, Mathematics, Physics, Engineering, or a related field.
**What you Get:**
+ Employee Friends & Family rental discount (40% discount for employee & partner; 30% discount for up to 8 additional family/friends).
+ Hybrid/flexible working arrangements.
+ 22 days holidays on hire rising to 27 days with service.
+ Occupational Pension Scheme with up to 5% company matched contribution.
+ Life Cover payable at 4 times base salary.
+ Profit Share Scheme.
+ Tuition support plus access to compressive online learning platform.
+ 10 days paid study leave & paid exam leave where exams fall during work hours.
+ Income protection for long term illness.
+ Professional membership fees paid in full annually where membership relates directly to role.
+ Bike to Work & Travel Pass schemes.
+ Employee Assistance Programme for employees and family.
+ Occupational Health support.
+ Christmas savings scheme.

**Job Description:**
Hertz is one of the world's largest global mobility organizations and is currently undergoing a major digital transformation. As the operator of the largest electric vehicle (EV) rental fleet, Hertz is combining its brand strength and global fleet management expertise with cutting-edge technology and innovation to redefine the future of travel, mobility, and the automotive industry. Hertz is committed to becoming a key player in the modern mobility ecosystem, with a focus on electrification, shared mobility, and delivering a digital-first customer experience.
As a Data Scientist at Hertz, you'll have the opportunity to work on high-impact strategic initiatives and solve complex challenges using state-of-the-art technologies. You'll play a critical role in enabling and optimizing our digital, connected fleet, pricing, and ridesharing products. This includes fostering collaboration, building partnerships, co-developing innovative solutions, and delivering actionable insights to leadership to inform strategy, surface opportunities, and highlight potential risks. Your work will help drive data-informed decisions across the organization, fuel operational efficiency and revenue growth, and support our broader vision for the future of mobility.
**What You'll Do:**
+ Build and maintain descriptive, predictive, and prescriptive models to optimize existing processes and uncover market opportunities for new products and services.
+ Define and analyse success and performance metrics for current and upcoming business initiatives, with a strong emphasis on A/B testing.
+ Integrate and curate data from a variety of internal and external sources to develop detailed reports, datasets, and advanced analytics that support data-driven decision-making across the business.
+ Use data visualization tools to clearly communicate insights to technical, non-technical, and senior stakeholders.
+ Break down and solve complex business challenges using quantitative and analytical approaches, identifying patterns and correlations within large, complex datasets.
**What We're Looking For:**
+ Minimum 3 years of hands-on experience in a data science role.
+ Minimum 2 years of experience with cloud-based big data, machine learning, and analytics technologies - preferably with Databricks.
+ Experience working with Google Tag Manager clickstream data is a strong plus.
+ Proficient in SQL, with experience handling both structured and unstructured data.
+ Strong experience in Python or similar scripting languages.
+ Strong interpersonal and communication skills, with experience working in agile/scrum environments.
+ Excellent problem-solving and critical thinking abilities, with a proven track record of identifying root causes and delivering simple, logical solutions to complex problems.
+ Exceptional verbal, written, and presentation skills, with the ability to effectively communicate both technical and non-technical information across all levels of the organization.
+ A bachelor's degree or higher in Computer Science or a quantitative field such as Statistics, Mathematics, Physics, Engineering, or a related field.
**What you Get:**
+ Employee Friends & Family rental discount (40% discount for employee & partner; 30% discount for up to 8 additional family/friends).
+ Hybrid/flexible working arrangements.
+ 22 days holidays on hire rising to 27 days with service.
+ Occupational Pension Scheme with up to 5% company matched contribution.
+ Life Cover payable at 4 times base salary.
+ Profit Share Scheme.
+ Tuition support plus access to compressive online learning platform.
+ 10 days paid study leave & paid exam leave where exams fall during work hours.
+ Income protection for long term illness.
+ Professional membership fees paid in full annually where membership relates directly to role.
+ Bike to Work & Travel Pass schemes.
+ Employee Assistance Programme for employees and family.
+ Occupational Health support.
+ Christmas savings scheme.

RecruitNet International Ltd is specializing in relocating qualified professionals throughout Ireland and overseas, we guide you through professional registration, job placement, visa, and employment permit processing. We are hiring a Medical Scientist  for a Private Hospital in Galway, Ireland. We will provide exceptional patient care in an environment where quality, respect, caring, and compassion are at the center of all we do.  Key Responsibilities Support the coordination and organization of the Laboratory.Carry out regular tasks as needed for the laboratory.Make sure that standard operating procedures are followed while processing any samples.Engage in active participation in research and continuing education initiatives that align with the Clinic's objectives.Maintain the strictest confidentiality when handling any information about patients or the clinic.RequirementsRelevant Scientific Background in Bachelor of Science in Biomedicine or a Related Field. Must be enrolled in CORU or in the process of applying for state registration.Two years of post-qualification experience as a medical scientist is recommended.Students majoring in medical science who plan to graduate in 2024 are eligible to apply for this post.Professional manner and adaptability in job operationsBenefitsA program to support education and provide possibilities for growthOpportunities for career advancementHaving access to a pension planSubsidized dining establishment Free parking for staffProgram for Employee AssistanceLife Insurance

**Work Schedule**
Standard (Mon-Fri)
**Environmental Conditions**
Adherence to all Good Manufacturing Practices (GMP) Safety Standards
**Job Description**
**Research Scientist, Pharma**
At PPD, part of Thermo Fisher Scientific, you'll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life - enabling our customers to make the world healthier, cleaner and safer.
We provide our teams with the resources needed to achieve individual career goals while taking science a step beyond through research, development and delivery of life-changing therapies. With clinical trials conducted in 100+ countries and ongoing development of novel frameworks for clinical research, our work spans laboratory, digital and decentralized clinical trial services.
Your determination to deliver quality and accuracy will improve health outcomes that people and communities depend on - now and in the future.
**Location/Division Specific Information**
Our PPD® Laboratory Services team has a direct impact on improving patient health through the expertise of scientists, industry thought-leaders and therapeutic guides. As the world leader in serving science, our laboratory professionals bring their commitment to accuracy and quality to deliver groundbreaking innovations.
**Discover Impactful Work:**
The Research Scientist conducts and provides technical guidance on scientific method development and validation projects and/or other specialty technologies studies OR performs troubleshooting for own and others instruments, methods, procedures, and in writing protocols and reports. They design and execute method development/validation independently and interpret and review analytical data for self and others. They will routinely act as the technical project leader for multiple projects, provide updates, reviews and evaluates data, writes reports and protocols.
**A day in the life:**
+ Independently performs analytical method development/optimization/validation, and/or other specialty technologies studies OR method transfers for pharmaceuticals, specifically for techniques related to Physical and Chemical Characterization (for example HIAC, KF, FTIR, MFI, auto-titration)
+ Designs and executes experiments independently for self and others.
+ Reviews and critiques study protocols, project status reports, final study reports and other project-related technical documents.
+ Writes, reviews and critiques study protocols, project status reports, final study reports and other project-related technical documents.
+ Leads analytical (procedural and instrumental) troubleshooting sessions.
+ Assists business development group in technical sales and marketing
+ Leads in preparation and implementation of SOPs and quality systems, as well as developing innovative technology and in evaluating and implementing new capabilities.
+ Reviews, interprets, and analyzes data for technical, quality and compliance to protocols, methods, SOPs, client criteria and Good Manufacturing Practices (GMP) or Good Laboratory Practices (GLP).
+ Performs self and peer review of the data for accuracy and compliance with reporting requirements prior to submission to QA and issuance to customers
**Education and Experience**
+ Min. Degree or equivalent in Chemistry or similar
In some cases an equivalency, consisting of a combination of appropriate education, training and/or directly related experience, will be considered sufficient for an individual to meet the requirements of the role.
+ 8+ years experience that provides the knowledge and skills to perform the job
+ Significant industry experience within an analytical testing laboratory and GMP environment is essential
**Knowledge, Skills, Abilities**
+ Extensive technical expertise in equipment related to physical and chemical characterization of pharmaceutical products including but not limited to HIAC, KF, FTIR, MFI.
+ Ability to learn quickly and dedicate time to method/technical research into current techniques falling within physical testing team and new techniques that may be on-boarded in the future.
+ Proven experience of method development and validation
+ Ability to project management and deal with client audits
+ Ideally experience in leading CMC studies including method validation
+ Proven problem solving and troubleshooting abilities
+ Ability to independently perform root cause analysis for method investigations
+ Proven ability in technical writing skills
+ Time management and project management skills
+ Good written and oral communication skills
+ Ability to work in a collaborative work environment with a team
+ Ability to train junior staff
**Work Environment**
Thermo Fisher Scientific values the health and wellbeing of our employees. We support and encourage individuals to create a healthy and balanced environment where they can thrive. Below is listed the working environment/requirements for this role:
+ Able to communicate, receive, and understand information and ideas with diverse groups of people in a comprehensible and reasonable manner.
+ Able to work upright and stationary and/or standing for typical working hours.
+ Able to lift and move objects up to 25 pounds.
+ Able to work in non-traditional work environments.
+ Able to use and learn standard office equipment and technology with proficiency.
+ May have exposure to potentially hazardous elements, including infectious agents, typically found in healthcare or laboratory environments.
+ Able to perform successfully under pressure while prioritizing and handling multiple projects or activities.
Our Mission is to enable our customers to make the world healthier, cleaner and safer. Watch as our colleagues explain 5 reasons to work with us. As one team of 100,000+ colleagues, we share a common set of values - Integrity, Intensity, Innovation and Involvement - working together to accelerate research, solve complex scientific challenges, drive technological innovation and support patients in need. #StartYourStory with PPD, part of Thermo Fisher Scientific, where diverse experiences, backgrounds and perspectives are valued.
**Apply today! Fisher Scientific is an EEO/Affirmative Action Employer and does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other legally protected status.
**Accessibility/Disability Access**
Job Seekers with a Disability: Thermo Fisher Scientific offers accessibility service for job seekers requiring accommodations in the job application process. For example, this may include individuals requiring assistance because of hearing, vision, mobility, or cognitive impairments. If you are a job seeker with a disability, or assisting a person with a disability, and require accessibility assistance or an accommodation to apply for one of our jobs, please submit a request by telephone at *. Please include your contact information and specific details about your required accommodation to support you during the job application process.
+ This telephone line is reserved solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes, such as not being able to get into the career website, following up on an application, or other non-disability related technical issues will not receive a response.
Thermo Fisher Scientific is an EEO/Affirmative Action Employer and does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other legally protected status.

Optum is a global organization 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.**
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.
**Data Scientists** working within the Optum Ireland R&D team supporting Optum Home and Community are developing cutting edge analytical products from one of the world's richest healthcare datasets. You will be at the intersection of business, technology and data science. This role will play a critical part in developing the next generation value-based care analytic engine.
**Working Schedule** :
This is a full-time position with standard working hours of Monday - Friday, 9am - 5pm.
_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 office and telecommuting from a home-based office in a hybrid work model._
**Primary Responsibilities:**
+ Be an independent thinker and advocate of data science methods, software engineering, and applications
+ Research, develop and apply new innovative analytics methods and technologies from other domains to healthcare data
+ The ability for critical thinking outside your immediate sphere of responsibility
+ Work with autonomy and in partnership with other Data Scientists, Data Engineers, Software Engineers, and Infrastructure Engineers to find solutions to complex problems
+ Leverage technical / analytical expertise across the enterprise to architect, deploy and oversee analytics and technology solutions
+ Prototype new products and solutions that have the capability to transform the industry
+ Ability to articulate and paint a vision, with strong communication and presentation skills, as well as strengths in translating highly complex concepts, results, models and technologies in ways that can be understood by a variety of audiences
+ Be familiar with the state-of-the-art around big data analytics and associated technologies and techniques
+ Have experience with Commercial environments and/or Products (not just internal focused)
+ Be a leader for a variety of projects including proofs of concept, new product / component development, and reengineering initiatives among others.
+ Work as part of a small team, sharing ideas and contributing to the strategic goals
_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 a Senior Data Scientist:**
+ Bachelor's Degree in Engineering/Computer/Statistics or equivalent experience
+ Experience in analytics / data science in a business or academic context
+ Demonstrated experience using programming to solve complex technical problems
+ Demonstrated experience accessing data from various data environments
**Required Qualifications of a Senior Data Scientist:**
+ Master's Degree or PhD in a technical field (e.g. computer science, science, engineering, math / stats, physics etc.)
+ Core knowledge of statistics, machine-learning and numerical / computational methods with experience in the application of these methods to business problems
+ Extensive programming experience with Python/Pyspark/Pandas/Polars or other analytics languages
+ Experience working within a software development team and using version control systems such as Git
+ Experience of large-scale distributed computing environments (Hadoop, Hive, Databricks etc)
+ Experience developing analytical solutions on cloud computing platforms i.e. Azure
+ Experience of the US Healthcare sector
**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._
#RPO #BBMEMEA

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:**
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.
The **Principal Data Scientist** will partner with Pharmacy business units to build scalable solutions to business problems. The role requires strong collaboration with internal partners to set the analytics direction and to deliver on identified opportunities. The successful candidate will contribute to creating and maintaining clear, strategic vision and a plan for bringing actionable, innovative analytic solutions to fruition.
_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 office and telecommuting from a home-based office._
**Primary Responsibilities:**
* Direct and implement analytic activities to support decision-making for UnitedHealthcare Pharmacy.
* Collaborate with different lines of business to understand their analytic needs, propose & deliver business solutions and drive change.
* Solve high visibility & high complexity problems, requiring strong domain knowledge & statistical understanding.
* Provide technical leadership across the department to support various teams with their data science challenges, helping code and review where appropriate.
* Build scalable data solutions for core business functions
* Anticipate customer needs, proactively develop & deliver solutions to meet them, and forecast/predict the impact of business strategies.
* Research, interpret, and analyse diverse and complex data and communicate findings to influence the business direction.
* Utilise a broad range of analytic approaches including predictive analytics, issue detection, trend analysis, and data visualisation to best address the business priorities.
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:**
* Degree Qualified (BA, BS) in relevant field (analytics, mathematics, economics, business, statistics, engineering, or finance) or equivalent experience
* Significant experience in data analytics or data science, ideally with experience working with financial or healthcare-related data (e.g. pharmaceuticals, medical claims).
* Experience working with messy data and imputation techniques. The ideal candidate will be able to identify and address data quality issues and use imputation techniques to fill in missing data where appropriate.
* Proficient in researching, interpreting, and analysing diverse and complex data.
* Extensive data manipulation skills across structured and unstructured sources/repositories such as relational and non-relational databases, CSV's, API's, text, Excel, etc.
* Proficiency in SQL and at least one scripting language such as R or Python.
* Demonstrated effective project ownership, management, drive & delivery
* Stakeholder management experience, dealing with multiple stakeholders, and forming effective partnerships.
* Strong business acumen, with the ability to strategically consult with the business.
* Demonstrated ability to communicate ideas clearly and concisely in writing and orally to individuals and groups.
**Preferred Qualification:**
* Proficiency in a visualisation tool like Excel, Tableau, PowerBI or QlikView/QlikSense etc.
* Experience or knowledge with cloud-based data analytics e.g. (AWS, Azure, Snowflake, Databricks)
* Masters and/or PhD in Finance, Analytics, Economics, Mathematics, Econometrics, or other relevant field of study
* Experience in healthcare industry, especially drug pricing
**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

**Principal Data Scientist- Dublin & Letterkenny, Ireland**
Optum is a global organization 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.**  
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 investment, support, and resources to advance your career. You'll provide the talent, ambition, and drive. 
Are you ready to take the next step in your data science and engineering career? We're seeking a highly motivated **Principal Data Scientist** to join our dynamic Data Analytics team. In this senior role, you'll architect and implement scalable analytics and AI solutions that drive business strategy, deliver actionable insights, and enable data-driven decision-making across the organization. As part of this role, you will also have opportunities to work on the deployment and operationalization of advanced analytics solutions including AI and large language models (LLMs) to accelerate innovation and advance key organizational strategies.
You'll thrive in a start-up-like environment that values agility, experimentation, and rapid iteration. We operate with a strong sense of ownership and urgency-delivering quick, high-quality results while continuously improving our solutions based on feedback. The ideal candidate is comfortable balancing speed with accuracy and enjoys working in an atmosphere where priorities can shift rapidly to address new opportunities.
We value curiosity, initiative, and passion for problem-solving. The ideal candidate brings deep experience in designing, building, and optimizing data pipelines and analytical data models that empower business insights and drive strategic decision-making. They excel at transforming complex, raw data into well-structured, reliable datasets that serve as the foundation for impactful analytics initiatives. This candidate thrives in environments that require both independent work and close cross-functional collaboration with stakeholders such as data scientists, analysts, engineers, and business leaders to align technical solutions with organizational strategy.
If you enjoy engaging with stakeholders to understand their needs, communicating insights clearly to both technical and non-technical audiences, and using advanced analytics to solve pressing business problems-this could be the perfect next step for you.
**Schedule** : This is a full-time position with standard working hours of Monday - Friday, 9am - 5pm.
_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 office and telecommuting from a home-based office in a hybrid work model._
**Primary Responsibilities of the Principal Data Scientist:**
+ Lead the end-to-end development of scalable data and ML pipelines, ensuring data and model infrastructure directly supports organizational strategy, analytical models, and critical business decisions.
+ Architect high-performance data models and integrate them seamlessly with ML model development, optimizing for analytics platforms such as cloud-based data warehouses (Snowflake/Redshift/BigQuery).
+ Translate complex business requirements into robust engineered datasets that drive decision-making at all levels of the organization.
+ Rapidly iterate on analytics solutions based on stakeholder feedback; deliver quick turnaround without sacrificing accuracy or quality.
+ Partner with stakeholders across teams (including IT, product owners, operations) to identify opportunities where analytics and ML model can add strategic value.
+ Ensure best practices in code quality documentation standards, testing procedures (unit/integration), data quality checks.
+ Drive stakeholder engagement: facilitate discussions and communicate impact of project goals/results; manage expectations throughout project lifecycle.
+ Develop tools or reusable components that empower other analysts to perform self-service analytics efficiently.
+ Mentor team members on engineering best practices within analytics contexts. _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:**
**Required Qualifications:**
+ Bachelor's Degree in Computer Science, Engineering, Mathematics or related discipline or equivalent experience
+ Previous experience/ success within an Analytics/Data Engineering/Machine Learning environment focused on agile thinking and innovative solutions
+ Experience designing/building scalable data and ML pipelines using Python/SQL/Spark/Airflow or equivalent frameworks
+ Proven ability to understand complex problems/datasets-and engineer scalable data architectures enabling strategic insights
+ Demonstrated ability to own/lead projects delivering real business impact
**Preferred Qualifications of the Principal Data Scientist:**
+ MS/PhD in Computer Science/Data Engineering/Statistics/Applied Mathematics or similar numerical discipline
+ Hands-on experience developing and fine-tuning Large Language Models (LLMs) or similar advanced AI models
+ Experience collaborating with Data Scientists/Product Managers/Business Stakeholders delivering end-to-end analytical solutions
+ Experience architecting cloud-based analytical environments (AWS/GCP/Azure) including CI/CD pipelines
+ Familiarity with US healthcare system/billing of medical claims/data environments
**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._
#RPO

**Work Schedule**
Standard (Mon-Fri)
**Environmental Conditions**
Adherence to all Good Manufacturing Practices (GMP) Safety Standards
**Job Description**
**Scientist II - Pharma**
At Thermo Fisher Scientific, you'll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life - enabling our customers to make the world healthier, cleaner and safer. We provide our teams with the resources needed to achieve individual career goals while taking science a step beyond through research, development and delivery of life-changing therapies. With clinical trials conducted in 100+ countries and ongoing development of novel frameworks for clinical research through our PPD clinical research portfolio, our work spans laboratory, digital and decentralized clinical trial services. Your determination to deliver quality and accuracy will improve health outcomes that people and communities depend on - now and in the future.
**Location/Division Specific Information**
Our PPD® Laboratory Services team has a direct impact on improving patient health through the expertise of scientists, industry thought-leaders and therapeutic guides. As the world leader in serving science, our laboratory professionals bring their commitment to accuracy and quality to deliver groundbreaking innovations. This role will be based at our GMP Laboratories in Athlone, Ireland.
**Discover Impactful Work:**
The role of **Pharma** **Scientist** is to perform a variety of complex sample preparation and analysis procedures to quantitatively measure small molecules using a wide range of analytical instrumentation. Working mainly independently, Scientists will interpret analytical data in regard to acceptability and consistency and set up and maintain analytical instrumentation.
**A day in the Life**
+ Perform a variety of complex sample preparations
+ Analysis procedures to quantitatively measure pharmaceutical compounds in a variety of formations for stability testing and other studies for analytical testing support
+ Review and compilation of results
+ Performing work assignments accurately, timely and in a safe manner
+ Training on routine operation, maintenance and theory of analytical instrumentation, SOPs, and regulatory procedures and guidelines.
+ Works with multiple functional groups to meet business needs.
+ Sets up and maintains analytical instrumentation.
+ Trains on routine operation, maintenance and theory of analytical instrumentation, SOPs and regulatory procedures and guidelines.
+ Ensures QA findings are addressed appropriately.
+ Communicates project status to project leader.
+ Performs work assignments accurately, and in a timely and safe manner.
+ Reviews, interprets, and analyses data for technical, quality and compliance to protocols, methods, SOPs, client criteria and Good Manufacturing Practices (GMP) or Good Laboratory Practices (GLP). 
**Education and Experience**
+ Educated to a bachelor's degree level in a relevant area, ie chemistry, biochemistry
+ 2+ years' relevant industry experience within a GMP laboratory (with experience in the following lab testing areas HPLC, GC, MS, Dissolution testing,  Karl Fischer, UV-vis, FT-IR, TOC.
In some cases an equivalency, consisting of a combination of appropriate education, training and/or directly related experience, will be considered sufficient for an individual to meet the requirements of the role.
**Knowledge, Skills, Abilities**
+ Proven ability to interpret data by performing trend analysis
+ Proven technical writing skills
+ Proven problem solving skills
+ Detailed knowledge of method validation; method development would be an advantage.
+ The ability to plan, schedule and carry out work for successful project completion
+ A positive attitude and ability to work well with others
+ The ability to write protocols and reports with minimum supervision
+ Excellent attention to detail
+ Be able to communicate effectively and follow detailed written and verbal instruction
Our Mission is to enable our customers to make the world healthier, cleaner and safer. Watch as our colleagues explain 5 reasons to work with us. As one team of 100,000+ colleagues, we share a common set of values - Integrity, Intensity, Innovation and Involvement - working together to accelerate research, solve complex scientific challenges, drive technological innovation and support patients in need.
#StartYourStory with PPD, part of Thermo Fisher Scientific, where diverse experiences, backgrounds and perspectives are valued.
Apply today! Fisher Scientific is an EEO/Affirmative Action Employer and does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other legally protected status.
**_We welcome and encourage applicants from outside of Ireland. We can provide support with immigration and visa needs for successful applicants and dependents, tax consultations and other basic destination services. All other relocation costs are at the expense of the applicant._**
Thermo Fisher Scientific is an EEO/Affirmative Action Employer and does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other legally protected status.

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.**
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.
You will join a team of data scientists and data analysts who are responsible for designing analytics that underpins our products. This typically involve exploratory data analysis, model development (Rule based & AI), model maintenance & Integration to product, compliance related activities, documentation Liaising/Coordination with different tech partners.
As a  **Senior Data Scientist** , you will apply your expertise and skills to improve our value definitions, produce optimal design and build out our product design capability. In support of these goals, you will be conducting research and analysis, problem solving with the team, prototyping solutions, and reporting on our solutions. You will be part of a team supporting these goals as well.
**Primary Responsibilities:**
+ Define analytics that underpins product design and contribute to various tasks related to it such as ideate, define & build related processes throughout product lifecycle
+ Research methods and solutions, analyze data, prototype solutions and critically evaluate designs to optimize product development
+ Advocate for both technical and procedural changes and shepherd them through to delivery
+ Ensure quality in design, coding outputs and artefacts produced
+ Collaborate with the team and partners to solve problems
+ Collaborate with other teams who will integrate prototype solutions into product delivery
+ Work independently and with focus when needed
+ Explore, analyze and interpret large datasets to identify patterns, trends and anomalies
+ Build data pipelines, models and dashboards to demonstrate value proposition
+ Maintain your knowledge of latest technologies and techniques relating to analytics and data science
+ Guide and support other team members
+ Work within the solution delivery methods and standards set out
_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 (or higher) in engineering, data science, computer science or a related field
+ A high standard of programming experience with Python ,PySpark and SQL
+ Experience using collaborative cloud-based environments such as Databricks and Azure
+ Experience building machine learning and prediction models
+ Experience with production system change delivery methods and techniques including Agile delivery framework, deployment practices, version control and testing practices
+ Experience with data analysis and problem solving
+ Knowledge of best practices for optimization
**Preferred Qualifications:**
+ Experience with embedding analytics in commercial product development
+ Experience working on large scale and high impact projects
+ Experience leading process improvement/optimization activities
+ Ability to quickly build subject matter expertise
+ Familiarity with the HealthCare/Pharmaceutical industry
+ Masters degree or PhD in a technical field (e.g. computer science, science, engineering, math, statistics, physics etc.)
**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