337 Junior Scientist jobs in Ireland

Role Purpose:

• A fantastic opportunity now exists for a Research & Development Scientist to join our client's pharmaceutical site in Co. Waterford.
• The Scientist will participate in analytical and process development activities, writing protocols, data gathering, and analysis.
• The candidate will write protocols and reports.
• Candidate will analyse data and trends, correlations, response variables, DOE's etc. to better understand process interdependencies.
• They may also support process capability finalisation and process transfer to QC.
• The candidate will be interfacing with an internal cross functional team while working on these programs.

Core Duties and Responsibilities:

• Perform chemical analysis using instrumental methods to determine the composition of samples.
• To ensure the correct application of laboratory methods and standards to perform visual, physical and chemical assessment.
• Develop and assess in-process testing competencies for engineering associates.
• Develop and validate laboratory test methods or equipment including maintenance of equipment and instrumentation.
• Develop or validate laboratory test methods or equipment to ensure reliability and accuracy of analytical results.
• Design, develop, conduct and/or review experiments to deliver new products; evaluate ingredient, or product safety.
• Conduct and support new product / method validations.
• Conduct and support new raw material method verifications.
• Identify through the validation process and through in process monitoring and trending, opportunities for process/productivity improvement and optimisation.
• Support new manufacturing processes and technologies.
• Support existing manufacturing processes, quality improvements and cost reductions.
• Ensure product quality and all tasks are in accordance with established SOPs, GMPs, Divisional Specifications, and EHS standards.
• Train junior personnel if required in analytical techniques.
• Develop, design and train manufacturing personnel in required operations.
• Work collaboratively with others to accomplish goals
• Support the Company Programmes and culture within the Company.
• Safeguard and protect all Company information and property.

Education & Qualifications Required:

• Education: Level 8 degree in a scientific discipline with Chemistry as a major component.
• Experience: 1-5 years in laboratory experience in a high-volume manufacturing environment; Analytical Process / Product Development, and / or Quality Engineering setting.
• Hands-on experience and technical experience in a scientific or development environment a must. ISO-9000, GMP, medical device manufacturing experience a plus. Statistical analysis required within a development or manufacturing setting. Experience with high volume and / or high precision manufacturing a plus.
• Proficiency in chemical and instrumental analysis.
• Competent in chromatographic techniques for quantitative and qualitative analyses.
• Preferred knowledge of Organic and Polymer Chemistry.
• Special Skills: Computer Literacy with skills in Microsoft Excel, Word, PowerPoint, plus MiniTab, JMP (or equivalent software). Operational knowledge of statistical techniques.
• Communication, Organisation, Report Writing, and Presentation skills desirable.
• Must be able to develop working relationships with various internal core competencies and work as a team member.
• Good negotiation and influencing skills.
• Problem solving skills.

In this role the
Researcher of Preclinical (Toxicology and biocompatibility)
will apply expertise in toxicology and medical device biocompatibility testing including development of toxicity study design and biocompatibility testing design for drug/drug packaging system/medical device development, monitoring the studies, and development of toxicological risk assessments.

The successful candidate will have hands-on experience in hazard evaluation of chemicals used in manufacturing. You will participate in preparing reports for external regulatory bodies in accordance with ICH and ISO10993 to assure product (patient) safety and efficacy through the application of current pre-clinical science, non-clinical safety assessment, and toxicological principles and methods. These will be used to enable and support new product development (NPD), sustaining product organization (SPO) and margin improvement projects (MIP) and associated product development lifecycle management (PDLM) processes and initiatives. The role will report to Director of Preclinical (Biocompatibility and Toxicology) and will be part of a global team responsible drugs and devices for Peritoneal dialysis, Hemodialysis, and Acute therapies (~$5B product portfolio with global reach in more than 100 countries).

Duties and Responsibilities:

• Designing, planning, monitor various GLP toxicity studies, biocompatibility studies, and qualification of impurities with some supervisions from direct manager and senior members of the organization
• As sponsor representative and subject matter expert (SME) of biocompatibility collaborate with external testing facilities to complete biocompatibility testing
• Participate as preclinical/toxicology representative and contribute in core technical team meetings as SME and provide inputs and lead task to be executed for completion of projects with effective collaboration and deliverables
• Participate in change control management and impact assessment. Propose options, work closely with stakeholders and develop action plan for problem-solving, product and process improvement
• Maintain current knowledge of relevant regulatory requirements related to toxicology, product development, design and safety
• Execute tasks within budget at the project level to ensure the best utilization of financial resources

Qualifications:

• Relevant knowledge of ISO 10993 and ICH Q3 M7 guidelines required
• Experience in OECD and FDA Good Laboratory Practice
• Shown technical writing ability and oral presentation to enable clear communication of study results, safety evaluations, and toxicology assessment conclusions
• Ability to work independently and prioritize assignments to meet project schedules
• Can effectively collaborate in a global team, including ability to work with individuals of diverse scientific and cultural backgrounds across multiple business units as well as with external partners/CROs

Education and/or Experience:

• Degree in toxicology, pharmacology, chemistry or other related scientific field, with the following minimum previous experience working in the pharmaceutical/medical device industry in GLP/GMP environments:
• MS degree with 6 years or more of relevant experience
• PhD with 3 years or more of relevant experience
• Proven experience with the conduct and execution of GLP nonclinical safety (toxicology) and toxicological risk assessment on Extractable & Leachable is highly preferred
• Experience with safety and biocompatibility evaluation of medical devices and related regulatory guidance (USP, ISOA 10993, EU MDR, etc)

What Vantive can offer to you:

• A permanent contract with a stable and secure work environment
• A comprehensive benefits package, including private medical insurance, company pension scheme, and annual bonus scheme
• A collaborative and dynamic work environment
• Access to state-of-the-art equipment and technology
• Recognition and reward for outstanding performance

Job Description
Are you a PhD chemist ready to translate cutting‑edge research into life‑changing medicines? Join our dynamic chemistry team and play a central role in developing, scaling and launching Phase III and commercial drug substances. You'll collaborate with leading scientists across our labs and U.S. research & commercialization sites, apply new chemistries and technologies, and provide hands‑on technical support to manufacturing.

What you'll do

• Lead process R&D for late‑stage clinical and commercial active ingredients, developing robust synthetic routes in the lab and preparing processes for scale‑up and regulatory filing.
• Support Phase III process development and the commercial launch and continuous supply of new products.
• Conduct initial development of new chemistries/technologies for commercial processes and deliver practical, scalable solutions.
• Provide dynamic on‑site and off‑site manufacturing support process maintenance, troubleshooting, real‑time deviation assessment and documentation.
• Drive and document process improvements via Change Control; support process validation and produce validation documentation.
• Define and document efficient cleaning procedures and produce cleaning technical assessments for new products.
• Support technology transfers to partner sites, supplying technical chemistry expertise and transfer documentation.
• Apply Lean Six Sigma tools (Kaizen, etc.) to resolve process issues and contribute to small improvement/maintenance projects.
• Prepare and author required documentation and milestone reports for plant operations, tech transfers and regulatory submissions.
• Present technical findings internally and collaborate with cross‑functional commercialization partners (CERD/CCTO, Pharm, Process Research, Operations).

What We're Looking For

• PhD in Chemistry, Chemical Engineering or a closely related discipline.
• Experience in the pharmaceutical industry or advanced research in a relevant chemistry area is a strong advantage.
• Strong hands‑on laboratory skills and experience developing or scaling synthetic routes.
• Practical experience supporting process transfers, validation activities and manufacturing troubleshooting.
• Good knowledge of GMP principles, safety and laboratory waste/risk assessment procedures.
• Ability to interpret analytical and process data and communicate technical conclusions clearly.
• Experience with documentation for regulatory filings (e.g., IND/NDA/MAA) is desirable.
• Comfortable working in cross‑functional teams and presenting technical material to diverse audiences.

Why join us

• Make a tangible impact on product launches that improve patient lives.
• Collaborate with world‑class scientists and commercialization teams in an innovative, supportive environment.
• Opportunities to work on new chemistries and scale cutting‑edge technologies to commercial production.
• Professional development, training on GMP and Lean Six Sigma, and career progression in a growing organization.

Current Employees apply HERE

Current Contingent Workers apply HERE

Search Firm Representatives Please Read Carefully
Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company. No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails.

Employee Status
Regular

Relocation
VISA Sponsorship
Travel Requirements
Flexible Work Arrangements
Not Applicable

Shift
Valid Driving License
Hazardous Material(s)
Required Skills
Analytical Instrumentation, Analytical Method Development, Analytical Problem Solving, Analytical Testing, Antibody Drug Conjugates (ADC), Chemistry Techniques, Data Analysis, Detail-Oriented, Lab Equipment Maintenance, Laboratory Maintenance, Laboratory Safety, Liquid Chromatography-Mass Spectrometry (LC-MS), New Product Introduction Process, Organic Synthesis, Pharmaceutical Research, Preparative Chromatography, Process Management, Production Process Development, Purification Methods, Reverse Phase Chromatography

Preferred Skills
Job Posting End Date
09/19/2025

• A job posting is effective until PM on the day BEFORE the listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.

Requisition ID
R

Applications are invited from suitably qualified persons for inclusion on a panel from which appointments may be made to the position of:

Executive Scientist

Job Specification

Application Form

Queries relating to this post should be addressed to

Closing date for receipt of completed applications for this position is 4pm, 26th September 2025.

In accordance with Departmental Circular Letter EL 02/2011, a person who is not a serving local authority employee on or after 1st January 2011, will enter the scale at the minimum point.

CVs / attachments will not be accepted. Candidates must apply using Cork City Council Application Form (link above).

Applicants may be shortlisted on the basis of the information supplied on the application form.

Canvassing will automatically disqualify.

Cork City Council is an equal opportunities employer.

Work Schedule

Standard (Mon-Fri)

Environmental Conditions

Adherence to all Good Manufacturing Practices (GMP) Safety Standards

Job Description

Scientist III - LCMS - 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 position will be based at our GMP Laboratory in Athlone providing testing services to our clients.

Discover Impactful Work:

The role of Scientist III - LCMS is to perform complex laboratory analysis of pharmaceutical products and proficiently uses analytical instrumentation, calculates and analyses data and records data. Routinely acts as the project leader on multiple projects, interacts with clients, reviews and evaluates data, writes reports and protocols. Responsible for the scientific conduct of the project and communication of regulatory issues with senior level team members.

A day in the Life:

• Independently performs method validations, method transfers and analytical testing of pharmaceutical compounds in a variety of formulations.

• Designs and completes experiments with minimal supervision.

• Prepares study protocols, project status reports, final study reports and other project-related technical documents.

• Communicates data and technical issues to the client and responds to client needs

• Mentors, trains and coordinates laboratory activities of other team members and assists in troubleshooting instruments and analytical problems.

• Assists in designing method validation or method transfer protocols and establishing project timelines.

• Reviews data for technical, quality and compliance to protocols, methods, SOPs, client criteria and Good Manufacturing Practices (GMP).

Keys to Success:

Education & Experience

• Educated to a bachelor's degree level in a relevant area, ie chemistry, biochemistry

• 5+ years' relevant industry experience within a GMP laboratory with experience handling various types of LCMS instrumentation for example LCMS-QQQ/Sciex 6500 or similar, Orbitrap or other high resolution LCMS instrumentation and with complex data evaluation and processing

• Experience in Method Validation, Method Transfer and Analytical testing.

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

• 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

• Excellent attention to detail

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

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.

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.

Senior Scientist (CAR-T)

Dublin

12 month contract

ROLE SUMMARY

This position offers a unique opportunity to develop expertise and experience in Advance Therapeutic Medicinal Product development. This dynamic and exciting area of research has rapidly expanded in recent years, offering novel and real-world treatment options for patients suffering from recalcitrant.

Key Responsibilities:

• Attending scheduled training and developing expertise in relevant instrumentation and techniques.
• Assisting in experimental design.
• Developing and validating methods and Standard Operating Procedures.
• Performing experiments with high precision, reproducibility, quality control and validation.
• Generating and completing records, with precision and accuracy in a timely manner.
• Reporting progress, experimental issues and bottlenecks to facilitate continued process and operational improvement.
• Generating and presenting data, publication-ready plots and reports that accurately represent experimental data to stakeholders.

Requirements:

• A PhD in immunology, cell biology, molecular biology or another relevant field is essential.
• Hands-on experience in developing and characterizing CAR-T, other Cell Therapies or Gene Therapies.
• Hands-on experience with NK cell–based therapies, including isolation, activation, expansion, and functional assays.
• Excellent cell culture skills, including stem cell and immune cell culture experience.
• Experience processing blood cells and separating subpopulations.
• Demonstrated expertise in the genetic manipulation of primary human T cells using gene editing tools.
• Experience performing tumour immunology assays which interrogate T cell function
  in vitro
  (e.g. cellular activation, cytokine release, proliferation, and killing).

Title: Technical Scientist

Department: Research Development (RD)

Reports to: Head of Process Development

Location: Dawson Street, Dublin 2

Employment Type: Permanent Full-time

Application Deadline: 5th November 2025

COMPANYBACKGROUND/CULTURE

Nuritas' mission is to improve the lives of billions, and our vision is to provide the hero ingredient in everyday products. We are transforming the discovery of bioactive ingredients using AI, deep learning, and genomics to unlock peptides from natural sources like plants and food.

Our proprietary platform, Magnifier, uses advanced machine learning and our extensive dataset of molecules to identify natural peptides with specific health benefits. We optimize these molecules for stability and scalability, ensuring they perform in real-world applications. Our plant peptide ingredients include PeptiStrong for protein amplification and muscle health, and PeptiSleepTM for improving deep and REM sleep. Through our ingredients, customers can create better products that are truly differentiated in addressing consumer needs.

Founded in 2014 by Dr. Nora Khaldi, the company has built the world's largest peptide knowledge base and formed high-profile partnerships with companies like Nestle, Mars, and Sumitomo Corporation. Its team, diverse in nationality and gender, is driven by innovation and passion to bring nature's benefits to the world.

We are proud to be an equal opportunities employer, creating an inclusive culture where every voice matters.

Role Overview

We are seeking a highly motivated and detail-oriented Technical Scientist to join our RD team. The successful candidate will be responsible for executing and supporting all laboratory activities related to protein hydrolysis, process optimisation and functional ingredient development. This includes conducting trials, performing analytical assays and contributing to pilot plant operations.

The role requires strong scientific and technical expertise, excellent record-keeping and the ability to collaborate effectively across multidisciplinary teams including RD, Supply Chain, Operations, Quality, Regulatory and Sales.

This is an excellent opportunity to contribute to pioneering work in the field of functional food ingredients within a growing and innovation-driven environment. The successful candidate will play a key role in bridging laboratory research and commercial application, supporting the company's continued growth and scientific excellence.

Key Responsibilities

• Conduct protein hydrolysis experiments at bench and pilot plant scale.
• Perform routine analysis such as degree of hydrolysis, and protein concentration assays
• Operate laboratory and pilot-scale equipment, including bioreactors and bench-scale spray dryers.
• Support and execute pilot plant trials, ensuring accurate -implementation and documentation of all activities.
• Maintain meticulous records of trials, data, and results, ensuring traceability and compliance with internal quality standards.
• Conduct shelf-life studies on ingredients and products, analysing stability and performance over time.
• Collaborate closely with cross-functional teams to support the transition of lab-scale developments to commercial-scale applications.
• Contribute to the development and optimisation of up- and downstream processing for protein hydrolysates.
• Ensure adherence to all health, safety, and regulatory standards within the laboratory environment.

Qualifications Experience

• Bachelor's or Master's degree in Food Science and Technology, Biotechnology, Biochemistry, or a related discipline.3–5 years' experience in process optimisation and functional ingredient development, ideally within the food, biotech, or nutraceutical industries.
• Demonstrated experience in protein hydrolysis; postgraduate research or industrial experience in this area is highly advantageous.
• Proven track record in the development and commercialisation of functional ingredients, particularly peptides and protein hydrolysates.
• Strong analytical, problem-solving, and troubleshooting skills.
• Excellent data recording, documentation, and report-writing ability.
• Proficiency in Microsoft Office Suite (Excel, Word, PowerPoint).
• Highly organised, methodical and self-motivated with strong attention to detail.
• Excellent communication and presentation skills
• Strong teamwork skills, with a collaborative approach to working across functions.

Key Projects

• Develop and optimise upstream and downstream processes for protein hydrolysates.
• Execute protein hydrolysis and analytical assays at both bench and pilot scales.
• Operate and optimise bioreactor and spray dryer systems.
• Conduct shelf-life and stability studies of ingredients and finished products.
• Maintain comprehensive trial records to support process validation and product development.

At Kerry, we believe in giving talented, curious people the opportunity to make a difference.

We work as a team, searching for the best ways to inspire food and nourish life.

We are a community of innovators, working across disciplines to solve global food challenges with a fresh approach. We want you to achieve whatever you put your mind to.

We also offer:

• 25 days annual leave (excluding bank holidays)
• Hybrid working
• Health Care
• Matched pension scheme
• Perkbox platform offering discounts and offers on major retailers
• Share scheme
• Employee Assistance Program

Kerry is the world's leading taste and nutrition company for the food, beverage and pharmaceutical industries. Every day we partner with customers to create healthier, tastier and more sustainable products that are consumed by billions of people across the world. Our vision is to be our customers' most valued partner, creating a world of sustainable nutrition. A career with Kerry offers you an opportunity to shape the future of food while providing you opportunities to explore and grow in a truly global environment.

We are seeking a Regulatory Scientist to join our team in Naas, Ireland. In this position, you will support the Global Enzymes business by delivering our business strategy and growth objectives through the provision of exemplary legislative services for both Kerry customers and internal stakeholders.

The succesful candidate will be involved with integration activities, completion of key documentation for strategic customers, support for new product introductions, ensuring regulatory compliance, and staying informed about existing and emerging regulations and issues affecting the industry.

• Support and maintain 'best in class' legislation service for Kerry customers that reflects business needs and supports group policies.
• Support Kerry's Enzyme and Lactase business in terms of integration activities, global compliance and product specific documentation for regulatory customer service
• Generation and management of technical documents (accurately and to tight time scales) for example: Product Specifications (Standard and customer-specific); Allergen/Intolerance Data; Nutritional Data; Ingredient declarations
• Maintain awareness of all new regulations and issues impacting the industry and the Kerry business
• Coordinate response to customer requirements for technical documentation.
• Develop effective working relationships with internal and external customers.
• Liaise closely with other internal departments.
• Remain fully flexible to meet business requirement.

In Kerry we understand that people have very different career trajectories and experiences. To be successful in this role we would be looking for the right competencies and aptitudes as well as your proven track record of success in a similar role and environment.

These include:

• Degree in food science, chemistry, or related discipline
• Previous related experience
• Regulatory experience in the similar industry
• Computer literate with a working knowledge of Microsoft Office
• Experience in SAP and Optiva systems an advantage
• Fluency in English

Job Title:
Research Scientist (Remote)

Location:
Ireland – Remote

Job Description:

We are seeking an innovative and detail-oriented
Research Scientist
to join our remote research team. This role offers the opportunity to work on cutting-edge projects, analyze complex data, and contribute to scientific advancements while collaborating with a global team.

Key Responsibilities:

• Design and conduct experiments to test hypotheses and generate actionable data.
• Analyze results, interpret findings, and communicate insights through reports and presentations.
• Collaborate with cross-functional teams to translate research outcomes into practical applications.
• Maintain accurate documentation of experiments, methodologies, and results.
• Stay up to date with the latest scientific literature, techniques, and technologies.
• Contribute to publications, patents, and conference presentations when applicable.
• Ensure compliance with safety, ethical, and quality standards.

Qualifications & Skills:

• Master's or Ph.D. in Biology, Chemistry, Physics, Data Science, or a related field.
• Proven research experience in academia or industry.
• Strong analytical, problem-solving, and critical-thinking skills.
• Proficiency in data analysis tools, programming languages, or lab instrumentation, depending on the field.
• Excellent written and verbal communication skills.
• Ability to work independently and manage multiple research priorities remotely.
• Highly motivated with strong curiosity and attention to detail.

What We Offer:

• Fully remote working arrangement within Ireland.
• Competitive salary and research support.
• Collaborative, intellectually stimulating work environment.
• Opportunities for professional development, publication, and innovation impact.