Join us as we transform immunology and deliver medicines that help autoimmune patients get their lives back. argenx is preparing for multi-dimensional expansion to reach more patients through a rich pipeline of differentiated assets, led by VYVGART, our first-in-class neonatal Fc receptor blocker approved for the treatment of gMG, and with the potential to treat patients across dozens of severe autoimmune diseases.

We are building a new kind of biotech company, one that maintains its roots as a science-based start-up and pushes our commitment to innovate across all corners of our business. We strive to inspire and grow our company, our partnerships, our science, and our people, because when we do, we deliver more for patients. 

At argenx, we build our culture from the collective power of the team and the knowledge that together, we are better. We are guided by our core values of innovation, empowerment, co-creation, humility, and excellence.

As part of our expansion in Brazil, we are seeking a Key Account Manager (KAM) to support the launch and establishment our innovative therapies in areas of high unmet medical need.

This is a highly visible, field-based role with the opportunity to contribute to improving patient outcomes by supporting the integration of innovative therapies into clinical practice. The KAM plays a key role in shaping the local treatment landscape through strong partnerships with healthcare stakeholders and scientific engagement.

The Key Account Manager is responsible for managing a defined territory and building trust-based relationships with key healthcare stakeholders, contributing to informed clinical decision-making through the delivery of scientific data and information.

Acting as a strategic and consultative partner, the KAM engages healthcare professionals with relevant insights and fosters a strong understanding of the disease area, clinical profile, and positioning of argenx therapies.

In line with argenx’s values, the KAM demonstrates a collaborative, patient-focused and innovative mindset, working in close partnership with internal and external stakeholders to co-create solutions and drive meaningful impact.

The role requires close collaboration with cross-functional teams (Medical, Commercial, Legal, Compliance) to ensure coordinated, compliant, and patient-centered engagement.

Territory

• Field-based role covering an assigned territory in Brazil
• Regular interaction with healthcare professionals, institutions, and relevant stakeholders.
• Occasional presence at the São Paulo office

Key Responsibilities

• Develop and execute territory and account plans aligned with brand strategy
• Drive disciplined execution, translating insights and performance indicators into innovative actionable improvements
• Identify opportunities and anticipate trends within the treatment landscape
• Build strong, ethical relationships through regular engagement and high-quality scientific exchange
• Maintain deep scientific knowledge of the disease area, therapies, and clinical evidence
• Engage and support Key Opinion Leaders (KOLs) in line with compliance standards
• Map accounts, stakeholders, and institutional dynamics across public and private settings
• Co-create and coordinate cross-functional initiatives to ensure aligned and effective execution
• Participate in scientific events and continuously strengthen medical and technical expertise
• Provide field insights to inform tactical and strategic planning
• Maintain accurate CRM data and apply segmentation to prioritize stakeholders effectively
• Ensure efficient use of resources and alignment with territory priorities
• Compliance & Governance
• Ensure all activities comply with company policies and local regulations
• Adhere to governance processes for stakeholder engagement and materials approval

Essential Skills

• Strong customer engagement and relationship management
• Solid commercial acumen with strong execution discipline
• Stakeholder management and influencing skills
• Ability to translate insights into innovative practical actions
• Strong communication and adaptability
• Ability to communicate scientific information in a compliant manner
• Strong cross-functional collaboration skills, with the ability to engage internal and external stakeholders to co-create solutions
• Knowledge of the Brazilian healthcare ecosystem
• Ability to work in in-person and virtual environments
• Desirable
• Experience in neurology, immunology, or rare diseases
• Experience with biologics or specialty therapies
• Experience in institutional account management
• Established networks within the territory

We are seeking a patient-centric mindset with a strong sense of purpose and accountability. Other essential qualities are:

• Demonstrates argenx values: innovation, empowerment, co-creation, humility, and excellence
• Proactive, self-driven, and agile in a complex environment
• Collaborative and team-oriented, building strong partnerships
• Strategic thinker with strong analytical skills
• Adaptable and solution-oriented with a continuous improvement mindset
• Strong ethical standards and commitment to compliance

Education & Experience

• Degree in Life Sciences, Business or related field
• Experience in the biopharmaceutical industry - specialty, rare disease or institutional environments preferred
• Experience in product launches is a plus
• Fluent in Portuguese and intermediate/advanced English
• Must have valid driver’s license and willingness to travel

This is a Field-based role, with occasional presence at the São Paulo office.

Travel required within territory (50–80%), with overnight stays as needed.

Accountable for territory execution and stakeholder engagement.

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This job is eligible to participate in our short-term and long-term incentives program.

The hiring range displayed above is the range of possible base pay compensation that argenx believes in good faith it will pay for this role at the time of this posting. The hiring range is based on the job grade for this position. Individual compensation paid within this range depends on a variety of factors, including, but not limited to, internal equity, prior education and experience, job-related knowledge and demonstrated skills. argenx may pay more or less than the posted range and this range may be modified in the future.

At argenx, all applicants are welcomed in an inclusive environment. They will receive equal consideration for employment without discrimination on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, or any other applicable legally protected characteristics. argenx is proud to be an equal opportunity employer.

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