Medical Science Liaison Medical Affairs

Are you passionate about bridging cutting-edge HIV science with real-world clinical impact and building meaningful relationships with healthcare experts
At ViiV Healthcare we work for people living with HIV and the communities that support them. We are guided by our values of Respect Integrity Transparency and Patient-Focus in everything we do.

GSK remains committed to achieving bold commercial ambitions for the future. By 2031 we aim to deliver 40 billion in annual sales leveraging our existing strong performance momentum to significantly increase our positive impact on the health of billions of patients globally. Our Ahead Together strategy is centred on early intervention to prevent and alter the course of disease thereby protecting people and supporting healthcare systems.

We are a specialist pharmaceutical company 100% dedicated to developing medicines to treat and prevent HIV. Born out of a partnership between GSK and Pfizer in 2009 with Shionogi joining in 2012 our ambition is to end the HIV epidemic.

As the pioneers in HIV innovation we constantly look to push the boundaries of science to develop medicines that can change lives and give people more choice. Beyond our medicines we are proud of our deep connection with the HIV community and work with partners to advance research and development address HIV-related stigma increase access to our medicines and provide funding and support to local community organisations to support their efforts in the HIV response.

We are ViiV Healthcare. Here until HIV and AIDS are not.

Job Purpose

GSK is looking to hire a Medical Science Liaison HIV to join our ViiV Healthcare Team. This role is field-based and reports directly to the Medical Affairs leadership team. This position covers the Eastern Ontario and Newfoundland territory. The ideal candidate will reside in Toronto or within the Greater Toronto Area.

As a Medical Science Liaison (MSL) you will be responsible for providing non-promotional medical support to ensure the safe and effective use of ViiVs products through scientific engagement with external stakeholders including healthcare professionals researchers and advocacy groups. You will play a critical role in bridging internal teams with the external healthcare community supporting clinical development activities and delivering scientific insights that inform strategy and improve patient outcomes.

*** INTERNAL CANDIDATES: Please submit your application by Thursday April 2nd 2026. ***

Details (Your Responsibilities)

This role will provide YOU the opportunity to lead key activities to progress YOUR career these responsibilities include some of the following:

Build and maintain strong peer-to-peer scientific relationships with key HIV external experts
Present balanced and credible scientific data and support medical education initiatives
Serve as a scientific expert in virology maintaining deep knowledge of HIV disease treatments and the competitive landscape
Respond to unsolicited medical inquiries with accurate non-promotional information
Engage with a wide range of stakeholders including healthcare professionals investigators advocacy groups and formulary decision-makers
Act as a key liaison between the external healthcare community and internal ViiV teams gathering insights to inform strategy
Provide scientific support at regional national and international medical conferences
Deliver scientific training to sales teams using approved materials
Collaborate with clinical development teams to identify and support clinical trial sites
Travel up to 70% within the assigned territory

Why you

Basic Qualifications:
We are looking for professionals with these required skills to achieve our goals:

Advanced post-graduate scientific degree (MD PhD or PharmD)
Strong ability to interpret and communicate scientific and medical data in peer-to-peer discussions
Exceptional presentation and public speaking skills
Excellent interpersonal and collaboration skills with a focus on teamwork and execution
Knowledge of regulations governing medical information exchange in the Canadian pharmaceutical environment
Strong negotiation leadership and organizational skills
Valid drivers license
Ability to work independently in a field-based role with significant travel (up to 70%)

Preferred Qualifications:
If you have the following characteristics it would be a plus:

2 years of experience in HIV virology or infectious diseases within a medical affairs role
Established relationships with healthcare professionals and key opinion leaders in the HIV space
Previous field-based MSL experience

*** This position requires the employee to drive routinely on company business and allows for the provision of a company-leased vehicle. However to be eligible for this position and a company vehicle GSK will need to obtain acceptable results from a license verification inquiry and drivers abstract review against its safe driver program requirements ***

#LI-VIIV

Why Us

At ViiV Healthcare we will not rest until we leave no person living with HIV behind. Until the 40 million people living with HIV is down to zero we will continue searching for new ways to limit the impact of HIV.

We are the only pharmaceutical company solely focused on combating preventing and ultimately eradicating HIV and AIDS. At ViiV Healthcare we do things differently. Born out of a partnership between GSK and Pfizer in 2009 with Shionogi joining in 2012 we are determined to help end the HIV epidemic. We are guided by our mission to leave no person living with HIV behind and it is this mission that unites our employees located across the globe. We combine expertise in research manufacturing policy and more to push the boundaries of what people think is possible in HIV treatment and care. As a result of our connection with GSK we are able to draw on their proud history and resources. This means that you would receive all the employee benefits offered by GSK.

Living our mission of leaving no person living with HIV behind means keeping inclusion and diversity at the heart of everything we do - from our breakthrough innovation to our diverse portfolio of medicines as well as the work we do to partner with HIV communities. Having atruly inclusive culture where were all able to be ourselves and feel like we belong will make us an even stronger team better able to perform as a business and deliver on our mission to leave no person living with HIV behind.

ViiV is an Equal Opportunity Employer. This ensures that all qualified applicants will receive equal consideration for employment without regard to race color religion sex (including pregnancy gender identity and sexual orientation) parental status national origin age disability genetic information (including family medical history) military service or any basis prohibited under federal state or local welcome applications from all qualified individuals to apply to our career is committed to accommodating persons with disabilities. If you need accommodation at any stage of the application process or want more information on our accommodation policies please contact us at .Please do not send resumes to this e-mail and instead apply through the online application process of this posting.

Important notice to Employment businesses/ Agencies

ViiV does not accept referrals from employment businesses and/or employment agencies in respect of the vacancies posted on this site. All employment businesses/agencies are required to contact ViiV s commercial and general procurement/human resources department to obtain prior written authorization before referring any candidates to ViiV. The obtaining of prior written authorization is a condition precedent to any agreement (verbal or written) between the employment business/ agency and the absence of such written authorization being obtained any actions undertaken by the employment business/agency shall be deemed to have been performed without the consent or contractual agreement of ViiV. ViiV shall therefore not be liable for any fees arising from such actions or any fees arising from any referrals by employment businesses/agencies in respect of the vacancies posted on this site.