Microsoft 365 Migration Support Engineer (f/m/x)

We are looking for an experienced Microsoft 365 Migration Support Engineer to join Sii and support a large-scale transition from Google Workspace to Microsoft 365 for our international client. You will contribute to a major cloud transformation initiative, ensuring a smooth and reliable user experience across email, collaboration tools, storage systems, and authentication services.You will work in a friendly, collaborative environment with access to Sii’s learning platforms, Microsoft partnership resources, certification paths, and long‑term development opportunities.If you enjoy solving technical challenges, supporting enterprise users, and working in a dynamic migration project — apply and join us!Your tasksDeliver Level 2 support for users migrating from Google Workspace to Microsoft 365, ensuring smooth transitions across email, storage, and collaboration toolsTroubleshoot issues related to email migration, file transfers, document conversion, authentication, permissions, and Teams configurationAssist users with locating migrated content, resolving access issues, and adapting to new workflows and MFA processesMonitor and handle hypercare activities, including daily stand‑ups, channel monitoring, office hours, and reporting on issue trendsCreate and maintain knowledge base materials, runbooks, FAQs, and troubleshooting documentationRequirementsAt least 3 years of experience in technical support, cloud migrations, or Microsoft 365 administrationStrong knowledge of Microsoft 365 services, including Exchange Online, SharePoint, OneDrive, Teams, and Azure AD fundamentalsHands-on experience with Google Workspace environments and cross-platform migrationsAbility to diagnose complex issues across authentication, data synchronization, file systems, and user accessVery good English skills (min. B2), enabling effective communication in an international environmentFluent Polish requiredResiding in Poland requiredWhat we offerGreat Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideasEmployment stability - revenue of PLN 2.1BN, no debts, since 2006 on the marketWe share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and moreComfortable workplace – class A offices or remote workDozens of fascinating projects for prestigious brands from all over the worldPLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workersInvestment in your growth – meetups, webinars, training platform and technology blog – you chooseFantastic atmosphere created by all Sii Power PeopleIf you want to work on systems with high operational significance — apply now!