Medical Science Liaison

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn more at .

As guided by Our Credo, Johnson & Johnson is responsible to our employees who work with us throughout the world. We provide an inclusive work environment where each person is considered as an individual. At Johnson & Johnson, we respect the diversity and dignity of our employees and recognize their merit.

Job Function:

Medical Affairs GroupJob Sub Function:

Medical Science LiaisonJob Category:

Scientific/TechnologyAll Job Posting Locations:

Tempo Maidenhead, Berkshire, United KingdomJob Description:J&J Innovative Medicine – Medical Science Liaison - OncologyField Based – North - Bladder PortfolioCOMPANY BACKGROUND & CULTURE:

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow and profoundly impact health for humanity. Learn more at

What to expect:

Medical Science Liaisons (MSL) are a crucial part of our Medical Team, they are the face of the department out there in the field, working directly with our Key Opinion Leaders. You will be responsible for providing scientific and medical support to internal and external customers in response to clinical interest from our partners.

Delivering and sharing of knowledge to ensure the highest standards of brand/therapy expertise. You will provide insights to the UK Medical Affairs (MAF) team and respective Country Value Team (CVT) to help optimise brand, therapy and medical strategy.

This is a field-based position reporting to the Head of Field Medical, working in a team of 3 MSL’s and plays a critical role within the Oncology franchise, with a chance to define a real difference in this growing therapy area. J&J has a strong heritage in Oncology providing innovative treatments for people, this is something you will be a part of as we move into our next stage of this essential therapeutic area.

Who are we looking for?

To excel in this role, we want people who can work under their own initiative, we need a resilient character who has a passion for healthcare, and a desire to ensure we put patients at the centre of everything they do. A strong academic, healthcare, or industry background is important but the will to succeed, and the attitude to grow and develop is critical.

A proven track record to learn quickly, assimilate and distil large amounts of information and build and maintain relationships are vital; as is the ability to put data into perspective and communicate it concisely, as required.

You should be able to demonstrate critical thinking, strong project management skills and ability to impact decision-making with relevant stakeholders. A strong business insight is required, including prioritisation skills and problem solving and the ability to collaborate cross functionally.

What type of mark will you make?

By joining Johnson & Johnson you will find boundless opportunities to craft your path & amplify your impact inside & outside our walls. And with our commitment to be the world’s healthiest workforce you can strengthen your body as well and your mind. When you work at Johnson & Johnson you can touch over a billion lives worldwide every day. And when you apply your talent to our collective purpose there’s no end to the lasting impact we can make together. And that changes everything.

What’s in it for you?

It’s important to us that you feel you can bring your whole self to work; at Johnson & Johnson we provide an environment for you to fulfil your career aspirations as well as promoting your physical and mental wellbeing. As part of our offering, you will receive a competitive compensation and benefits package as well as benefits that can be tailored to what is valuable to you throughout different stages of your life. Examples of this include private healthcare, Retail Vouchers, Discounted & Subsidised Gym memberships and you can get to support community projects as part of our global Corporate Social Responsibility programme.

All qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, gender identity, age, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

For more information on how we support the whole health of our employees throughout their wellness, career and life journey, please visit

Office Location:

We are pleased to announce that from mid-2026, our offices in Wokingham and High Wycombe will move into a modern, state-of-the-art Johnson & Johnson office in central Maidenhead, conveniently situated next to the train station.For all field-based positions, it is a prerequisite need for you to have a full valid UK driver's license.

Required Skills:

Healthcare Education, Medical Knowledge, Scientific CommunicationsPreferred Skills:

Analytics Dashboards, Clinical Experience, Clinical Research and Regulations, Coaching, Competitive Landscape Analysis, Critical Thinking, Cross-Functional Collaboration, Customer Centricity, Data-Driven Decision Making, Data Gathering and Analysis, Data Reporting, Interpersonal Influence, Medical Affairs, Medical Communications, Medical Compliance, Organizing, Problem Solving, Relationship Building, Research and Development, Strategic Thinking, Technical Credibility