Intern, Medical Affairs

Ultragenyx Pharmaceutical Inc.

Ultragenyx Pharmaceutical Inc.

Mexico City, Mexico

Posted on Apr 15, 2026
Why Join Us?
Be a hero for our rare disease patients
At Ultragenyx, we fundamentally believe that taking real impactful action to care for the needs of patients and our people is always the right thing to do. To achieve this goal, our vision is to lead the future of rare disease medicine. For us, this means going where other biopharma companies won’t go – challenging the status quo and creating a new model that advances our field so more patients and caregivers can benefit from life-changing treatments. We do this by following the science, applying a novel rapid development approach, making innovative medicines at fair and reasonable prices, and creating a collaborative ecosystem to reach patients in ways that are most meaningful for them.
Our commitment and care for patients extends to our people, so culture is an essential cornerstone for Ultragenyx. We remain continuously focused on creating a supportive and inclusive environment of profound learning and growth – so employees can thrive in all areas of their lives, in and outside of work. Ultimately, we want to be an organization where we would be proud for our family, friends and children to work.
If you want to have a meaningful impact, do the best work of your career, and grow a lot, both professionally and personally, come join our team.

Position Summary:

ultrafocused – Work together to fearlessly uncover new possibilities

Reporting to the Medical Affairs Director. The Intern, Medical Affairs is responsible for supporting the local medical affairs activities for the Ultragenyx portfolio of products and assist in the management of medical affairs operations in the country. The candidate will be working in conjunction with the local Medical Affairs team, Commercial team, Commercial and Market Access and Government Affairs Director and Sr. Product manager. This role will best suit someone who wants to learn about rare diseases business, provide creative ideas and gain experience while earning their degree.

Work Model:

Flex: This role will typically require onsite work 2-3 days each week or more depending on business needs. In many locations, the business will set certain days each week that Flex employees are required to be onsite.

Responsibilities:

  • Support planning and execution of Medical Plan, tactics and activities in country
  • Support Medical team to ensure develop and adequate tracking the activities to maximize our opportunities to gain in each key account (v.g. Forms on time, letters to Key Decision Makers (KDMs), coordinate strategic agenda between KDMs and Vendors, events planning, contracts and execution)
  • Support preparation and follow up of KPIs for Medical
  • Contact and follow up on the negotiations with the main medical societies together with medical affairs.
  • Contact with local communication agencies and/or travel agencies to support the medical events or development of promotional materials
  • Development of medical projects / plans under medical affairs supervision
  • Data analysis
  • Prepare reports and presentations based on company needs
  • Support the team in daily administrative tasks.

Requirements:

  • Student of Business Administration, Marketing or Social Communication
  • Excellent communication skills and teamwork
  • Ability to quickly learn and process information
  • Organization and time management skills
  • Fluency in English
  • Excellent knowledge of MS Office
  • The position will be based in CDMX, México

#LI-AJ1 #LI-Hybrid

Full Time employees across the globe enjoy a range of benefits, including, but not limited to:
· Generous vacation time and public holidays observed by the company
· Volunteer days
· Long term incentive and Employee stock purchase plans or equivalent offerings
· Employee wellbeing benefits
· Fitness reimbursement
· Tuition sponsoring
· Professional development plans
* Benefits vary by region and country

Ultragenyx Pharmaceutical is an equal opportunity employer and prohibits unlawful discrimination based on race, color, religion, gender, sexual orientation, gender identity/expression, national origin/ancestry, age, disability, marital and veteran status, and any other status or classification protected by applicable federal, state, and/or local laws. Reasonable accommodation will be provided for all protected statuses or classifications protected by applicable law, including individuals with disabilities, disabled veterans, for pregnancy, childbirth, and related medical conditions, and based on sincerely held religious beliefs. Applicants can request an accommodation prior to accepting a job offer. If you require reasonable accommodation in completing this application, or in any part of the recruitment process, you may contact Talent Acquisition by emailing us at talentacquisition@ultragenyx.com.

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Note to External Recruiters: All candidate activity and open positions are managed strictly through our Human Resources Department. Our Human Resources Department kindly requests that recruiters not contact employees/hiring managers directly in an attempt to solicit business and present candidates. Please note that failure to comply with this request will be a factor in determining a professional relationship with our organization. Submission of unsolicited resumes prior to an agreement set in place between the Human Resources Department and the recruiting agency will not create any implied obligation. Inquiries on developing a recruiting relationship with us, may be directed to: talentacquisition@ultragenyx.com.
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