Epidemiologist

Role based in Barcelona - 3 days at office / 2 days at home

This is what you will do: 

The Epidemiology and Real World Science (Epi-RWS) team is a growing group within the Alexion-AstraZenca Rare Disease Unit which is driving the scientific use of Real World Data to accelerate the way that patients access innovative medicines.   

The Epidemiologist is a scientific role that involves supporting the development and execution of impactful epidemiological deliverables that deepen our understanding of rare diseases, with a focus on Alexion’s clinical development programs and post-marketing studies.  

The role involves working closely with other Epidemiologists and Real World Data Scientists in the department to support the development, execution, interpretation and communication of scientifically robust stage-appropriate evidence that enhances decision-making across the portfolio, such as: conducting literature reviews; characterizing incidence and prevalence to support regulatory and safety documents; critically appraising & synthesizing relevant literature; analysis of real-world databases; describing patient characteristics, natural history, treatment patterns and outcomes; quantification of event rates and phenotypic / genotypic traits or associations; and landscaping for suitable data-sources.   

This role involves supporting engagements with colleagues across the company, including: Clinical Development, Global Patient Safety, Regulatory Affairs, Global Medical Affairs, and Global Marketing.  The Epidemiologist may participate in cross-functional teams and sub-team meetings, under the guidance of senior members of the Epi-RWS department when appropriate. 

The Epidemiologist must have mature team-working behaviors with organizational awareness and insight.  The ideal candidate will have experience with analysis and interpretation of epidemiologic data within the context of rare diseases and a passion for applying epidemiology to support life-transforming therapies for patients.  

You will be responsible for: 

• Supporting the planning, development, and execution of Epidemiology deliverables, with a focus on Alexion’s clinical development programs and post-marketing studies, including: conducting literature reviews, characterizing incidence and prevalence to support regulatory and safety documents; critically appraising & synthesizing relevant literature; analysis of real-world databases; describing patient characteristics, natural history, treatment patterns and outcomes; quantification of event rates and phenotypic / genotypic traits or associations; and landscaping for suitable data-sources. 

• Providing epidemiology support into study protocols, analysis plans, and regulatory documents.  

• Summarizing results in written reports and oral presentations.   

• May participate in cross-functional team meetings and supporting the presentation of summary findings to Alexion internal/external stakeholders. 

• Maintaining awareness of epidemiology with respect to regulatory requirements, payer trends, and advancement of pharmacoepidemiology methods. 

• Travel may be required (up to 10%). 

You will need to have: 

• MPH/MSc in Epidemiology or closely related discipline.  

• The duties of this role are generally conducted in an office environment.  As is typical of an office-based role, employees must be able, with or without an accommodation to: use a computer; engage in communications via phone, video, and electronic messaging; engage in problem solving and non-linear thought, analysis, and dialogue; collaborate with others; maintain general availability during standard business hours.  

We would prefer for you to have: 

• Excellent oral and written communication skills, in English. 

• Knowledge of drug and clinical development processes. 

• Excellent attention to detail and scientific rigor. 

• Ability to work under pressure and lead by example. 

• Hands-on experience implementing or designing studies using RWD (e.g., through use of proprietary analytics platforms and/or statistical programming in R, Python, SAS etc). 

• Strong interpersonal skills and ability to work effectively in multidisciplinary teams. 

• Thorough and up-to-date technical knowledge of epidemiology and relevant biostatistics methods. 

Date Posted

18-mar-2026

Closing Date

28-mar-2026

Alexion is proud to be an Equal Employment Opportunity and Affirmative Action employer. We are committed to fostering a culture of belonging where every single person can belong because of their uniqueness. The Company will not make decisions about employment, training, compensation, promotion, and other terms and conditions of employment based on race, color, religion, creed or lack thereof, sex, sexual orientation, age, ancestry, national origin, ethnicity, citizenship status, marital status, pregnancy, (including childbirth, breastfeeding, or related medical conditions), parental status (including adoption or surrogacy), military status, protected veteran status, disability, medical condition, gender identity or expression, genetic information, mental illness or other characteristics protected by law. Alexion provides reasonable accommodations to meet the needs of candidates and employees. To begin an interactive dialogue with Alexion regarding an accommodation, please contact [email protected]. Alexion participates in E-Verify.