This is what you will do:
The Medical Science Liaison (MSL) is a field-based scientific expert that strategically supports the medical and scientific objectives of Alexion, AstraZeneca Rare Disease’s product/s across the product/s life cycle. The individual is a peer scientific expert who communicates accurate and applicable science to Healthcare Practitioners (HCPs) within a geographic area. The individual manages and maintains collegial and professional relationships with HCPs and Key Opinion Leaders (KOLs) and identifies and facilitates collaboration opportunities with Alexion, AstraZeneca Rare Disease. The MSL combines strong business acumen and clinical expertise and serves as a peer-to-peer liaison internally to Medical Directors, USMA Leadership Team, cross-functional partners and externally (HCPs & KOLs). The MSL should be able to identify problems early on, seek appropriate help and counsel to work past any barriers, and innovate in order to achieve medical goals and objectives.
You will be responsible for:
HCP relationship management
Scientific knowledge and training
Research & Development
US Healthcare system knowledge
You will need to have:
Minimum Education
Minimum Experience
Specific Knowledge, Skills, and Abilities
Additional Role Requirements
Date Posted
12-May-2026
Closing Date
25-May-2026
Our mission is to build an inclusive environment where equal employment opportunities are available to all applicants and employees. In furtherance of that mission, we welcome and consider applications from all qualified candidates, regardless of their protected characteristics. If you have a disability or special need that requires accommodation, please complete the corresponding section in the application form.

Alexion, AstraZeneca Rare Disease is focused on pioneering new possibilities for the rare disease community. We are driven by a mission to change what it means to live with a rare disease.
A leader in rare disease for more than three decades and today continues to build a diversified pipeline across disease areas with significant unmet need, using an array of innovative modalities.
As part of AstraZeneca, Alexion is continually expanding its global geographic footprint to serve more rare disease patients around the world. It is headquartered in Boston, US.
Alexion’s pioneering legacy in rare disease is rooted in being the first to translate the complex biology of the complement system into novel medicines. Alexion pushes boundaries to accelerate discovery of life-changing medicines. Headquartered in Boston, Massachusetts, Alexion has offices around the world and continues to expand its reach to benefit more people globally.
GL/NP/0116
GL/NP/0095
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