Job Summary: We are seeking a Microsoft 365 and Power Platform Architect / Administrator to design, administer, and evolve the Microsoft 365 and Power Platform architecture, ensuring security and productivity across the digital environment. Key Highlights: 1. Design, implementation, and maintenance of Microsoft 365 architecture 2. Leading governance and solution lifecycle management 3. Optimizing the ecosystem for performance and security Barcelona* Posted on 10/2/2026 **ARE YOU READY FOR THE CHALLENGE?** ------------------------ As a **Microsoft 365 and Power Platform Architect / Administrator**, you will be responsible for designing, administering, and evolving the Microsoft 365 and Power Platform architecture, guaranteeing security, availability, and productivity within the employee’s digital environment. You will also lead governance, solution lifecycle management, and deployment of new functionalities in an enterprise setting. You will join SEIDOR’s Global IT team, within the Non-core Apps Employee Experience area, which is responsible for evolving the Microsoft 365 environment, governing the Power Platform, driving digital productivity, and coordinating with architecture, security, infrastructure, and global IT support—working cross-functionally with business and technology departments. We are leaders in end-to-end application maintenance, grounded in operational improvement. This includes recurring maintenance and technical/functional support services, as well as evolutionary enhancements and new developments. We cover all necessary layers—from conceptualization and design through to quality assurance and security validation of applications to be deployed. We champion multidisciplinary profiles and embrace the Full Stack philosophy; therefore, experience in other technology stacks—whether backend (Java, .NET, Node.js, etc.), mobile development (iOS, Ionic, Flutter, etc.), or web (HTML+JS+CSS, AngularJS, etc.)—will also be positively valued. **WHAT WILL YOU DO DAILY?** ------------------------------- * Design, implement, and maintain the architecture for Exchange Online, SharePoint, OneDrive, Teams, and Entra ID. * Optimize the ecosystem to ensure performance, security, and availability. * Define and apply policies, naming conventions, and governance models for Microsoft 365. **WHAT DO WE EXPECT FROM YOU?** ------------------------- * Higher vocational training qualification or engineering degree in computer science or a related field. * Experience administering Microsoft 365: Exchange Online, Teams, SharePoint, OneDrive, and Entra ID. * Experience in Power Platform governance and security: environments, connectors, DLP, roles, and lifecycle. * Experience designing cloud architectures and integrating Microsoft 365 services with Azure. * Knowledge of Microsoft Graph, automation, and reporting (Power BI). * Experience using and deploying Microsoft Viva in enterprise settings is desirable. * Participation in automation or digital service governance projects is desirable.