Scientist (Fixed-term contract

Position: Scientist (Fixed-term contract)
At GSK, we have bold ambitions for patients, aiming to positively impact the health of 2.5 billion people by the end of the decade. Our R&D focuses on discovering and delivering vaccines and medicines, combining our understanding of the immune system with cutting‑edge technology to transform people's lives. GSK fosters a culture ambitious for patients, accountable for impact, and committed to doing the right thing, making sure that we focus our efforts on accelerating significant assets that meet patients' needs and have the highest probability of success.

We're uniting science, technology, and talent to get ahead of disease together.
Find out more:
Our approach to R&D

Job title:

Scientist

Location:

Siena, Italy

Employment type:

Fixed-term (2 years), full time  Closing date for applications: 12 August 2026  Position Summary  You will design and run immunological studies that support discovery and mid-stage vaccine development for global health. You will work closely with colleagues across discovery, development and external partners. We value curiosity, clear scientific thinking and collaboration.

This role offers strong learning and growth opportunities, a chance to make meaningful impact, and aligns with GSK's mission of uniting science, technology and talent to get ahead of disease together.
Responsibilities  This role will provide YOU the opportunity to lead key activities to progress YOUR career. These responsibilities include some of the following:
Design, plan and execute laboratory experiments to support vaccine development project from early discovery to proof of concept in humans.
Develop, optimise and validate immunological assays.
Collect, analyse and present scientific data clearly to project teams and stakeholders.
Work with cross-functional teams and external partners to meet project timelines and deliverables.
Maintain high standards for data integrity, documentation and laboratory safety.
Share improvements and new methods to support team learning and process modernisation.
Design and perform immunological studies in animals (including in vivo…)
Why you?  Basic

Qualifications & Skills  We are looking for professionals with these required skills to achieve our goals:
Degree in Biology, Biotechnology, Microbiology or related life science field (Master's preferred) plus 2 years of lab experience.
Hands-on laboratory experience in cell biology, immunoassays or related techniques.
Experience developing or running immunological assays and documenting / summarising and presenting experimental results.
Practical knowledge of good laboratory practice, health and safety, and data integrity.
Experience working in cross-functional teams and communicating scientific information clearly.
Proficiency in English (written and spoken).

Preferred Qualifications & Skills  If you have the following characteristics, it would be a plus:
PhD or higher degree in immunology or a relevant life science discipline.
Postdoctoral experience will be a plus.

Experience with assay automation, imaging, or bioanalytical instrumentation.
Experience in immunological data analysis (cellular and humoral immunity)
Experience in developing and applying AI/ML methods to immunological assays

Experience with organoid models and/or in vivo models relevant to vaccine development
Experience performing exploratory immunological assays using human samples
Experience in pharmaceutical or biotech industry settings.
Knowledge of process development concepts and Quality by Design principles.
Track record of contributing to scientific reports or peer-reviewed publications.
What we offer   Fixed-term contract in a very Inclusive environment
Flexible Benefits
Company Healthcare Plan
Integrative pension fund
Employee Assistance Programme
Prevention services and vaccination clinic
Tax assistance
Local nursery agreement
Postal service, laundry, shoe repair and tailoring
On Site Gym
On Site canteens and coffee corners
Free company bikes and shuttle
Please note that international relocation support cannot be provided; therefore, only candidates who are already based in the indicated country can be considered.
Domestic relocation support can be provided.

Skills:

Cell Biology,…