Role Overview The Principal Data Architect – APJ Snowflake Data Platform will provide technical architecture leadership for the design, evolution, and governance of the APJ enterprise data platform. This role will define the target architecture and technical standards for a scalable, secure, and governed data ecosystem centered on Snowflake, supporting enterprise data engineering, business intelligence, advanced analytics, and AI use cases across APJ. The Principal Data Architect will work closely with Data Engineers, BI and Analytics teams, business stakeholders, and global technology teams to translate business and data requirements into sustainable enterprise architecture. This is not only an advisory architecture role. The successful candidate is expected to have deep hands-on Snowflake expertise and be able to review technical designs, challenge engineering decisions, troubleshoot complex issues, and provide practical architectural guidance. Key Responsibilities 1. Snowflake Platform Architecture Define and evolve the target architecture for the APJ Snowflake data platform. Design scalable architecture patterns for enterprise data ingestion, transformation, storage, consumption, and analytics. Establish architectural principles for database, schema, warehouse, and data-layer design. Define architecture supporting BI, Advanced Analytics, Data Science, and AI workloads. Ensure architecture decisions balance scalability, performance, security, maintainability, and cost. 2. Enterprise Data Architecture Define common architectural patterns for integrating major enterprise data domains. Establish data-layer and data-modeling principles across source, transformation, and consumption layers. Define reusable architectural patterns that can be adopted across APJ markets. Guide the design of trusted and reusable enterprise data products. Ensure local market requirements can be accommodated without unnecessary architectural fragmentation. 3. Snowflake Security & Access Architecture Define Snowflake security and access-control architecture. Establish principles for role-based access control and appropriate separation of responsibilities. Partner with Security and Identity teams on enterprise access requirements. Provide architecture guidance for secure handling of sensitive commercial and customer data. Snowflake role design and security-related approvals are already among the architecture topics documented internally. 4. Data Integration & Transformation Architecture Define architectural standards for data ingestion and transformation using Fivetran and dbt. Establish patterns for source-to-Snowflake integration. Define scalable approaches for ELT and transformation architecture. Guide engineering teams on reusable dbt models and data-layer design. Review pipeline and transformation designs for architectural consistency. 5. Architecture Governance & Design Authority Serve as a technical design authority for major APJ data platform initiatives. Lead architecture and solution design reviews. Review technical proposals and identify architecture risks, dependencies, and technical debt. Define and maintain architecture standards, principles, and reusable patterns. Ensure new data solutions align with the APJ target architecture. Partner with engineering teams to move from architecture design to practical implementation. 6. Platform Resilience & Operational Architecture Define architectural principles for platform resilience, data protection, and recoverability. Partner with relevant technology teams on business continuity and disaster recovery requirements. Identify architectural risks and recommend improvements to platform resilience. Disaster Recovery for Snowflake has also been an active internal architecture topic. 7. AI-Ready Data Architecture Define a data architecture capable of supporting AI/ML and Generative AI workloads. Establish architectural patterns for governed consumption of enterprise data by AI applications. Work with Data Science and AI teams to ensure the underlying data platform supports emerging AI requirements. Evaluate how Snowflake capabilities can be incorporated into the broader APJ data and AI architecture. Internal discussions also reference the use of Snowflake for AI-related development and scaling data capabilities. Required Qualifications Snowflake Expertise Deep hands-on experience with Snowflake is mandatory, including: Enterprise Snowflake architecture and solution design Data warehouse and analytical data architecture Snowflake security and access architecture Advanced SQL Data modeling Performance and scalability considerations Production troubleshooting Data integration architecture Data Engineering & Architecture Strong knowledge and practical experience in: dbt Fivetran Modern ELT/ETL architecture Enterprise Data Warehousing Data Modeling Data Integration Data Quality Data Governance Git-based development and CI/CD concepts Cloud data architecture The candidate should be technically strong enough to challenge and guide Principal/Senior Data Engineers, rather than functioning only as a high-level solution architect. Language Requirements Japanese Business-level proficiency required The candidate must be able to independently: Conduct architecture discussions with Japanese stakeholders. Translate business requirements into technical architecture. Explain complex technical decisions to both technical and non-technical audiences. English Business-level proficiency required The candidate must be able to collaborate effectively with APJ and global technology, architecture, security, and data teams. Preferred Qualifications Pharmaceutical or Life Sciences industry experience Experience architecting large-scale enterprise Snowflake platforms Experience with pharmaceutical commercial and customer data Experience with Master Data Management Data Governance and Data Quality framework experience Experience designing platforms supporting Power BI Experience supporting AI/ML or Generative AI solutions Experience working across multiple APJ markets Experience establishing architecture standards and conducting technical design reviews What We Expect from a Principal Data Architect This role goes beyond producing architecture diagrams. The successful candidate will: Own the technical direction of the APJ Snowflake data platform Establish architecture standards and reusable patterns Act as a technical authority for Snowflake architecture Challenge and approve critical technical design decisions Identify architectural risks and technical debt Guide Data Engineers through complex implementation decisions Bridge Global architecture standards and APJ/Japan requirements Remain sufficiently hands-on to investigate and resolve complex platform issues Date Posted 05-11月-2026 Closing Date 30-1月-2027 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. AstraZeneca is a global, science-led, patient-focused biopharmaceutical company. We focus on discovering, developing and commercialising prescription medicines for some of the world’s most serious diseases. But we are more than one of the world’s leading pharmaceutical companies. At AstraZeneca, we’re dedicated to being a Great Place to Work. Where you are empowered to push the boundaries of science, challenge convention and unleash your entrepreneurial spirit. To embrace differences and take bold actions to drive the change needed to meet global healthcare and sustainability challenges. There is no better place to make a difference in medicine, patients, and society. An inclusive culture where you will connect different thinking to generate new and valuable opportunities. Where you will find a commitment to lifelong learning, growth and development for all. Our Inclusion & Diversity (I&D) mission is to create an inclusive and equitable environment where people belong, using the power of our diversity to push the boundaries of science to deliver life-changing medicines to patients. Inclusion and diversity are fundamental to the success of our company, because innovation requires breakthrough ideas that only come from a diverse workforce empowered to challenge conventional thinking. We’re curious about science and the advancement of knowledge. We find creative ways to approach new challenges. We’re driven to make the right choices and be accountable for our actions. As an organisation centred around what makes us human, we put a big focus on people. Across our business, we want colleagues to wake up excited about their day at the office, in the field, or in the lab. Along with our purpose to bring life-changing medicines to people across the globe, we have a promise to you: to help you realise the full breadth of your potential. Here, you’ll do work that has the potential to change your life and improve countless others. And, together with your team, you’ll shape a culture that unites and inspires us every day. This is your life at AstraZeneca.

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