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 tasks

• Deliver Level 2 support for users migrating from Google Workspace to Microsoft 365, ensuring smooth transitions across email, storage, and collaboration tools

• Troubleshoot issues related to email migration, file transfers, document conversion, authentication, permissions, and Teams configuration

• Assist users with locating migrated content, resolving access issues, and adapting to new workflows and MFA processes

• Monitor and handle hypercare activities, including daily stand‑ups, channel monitoring, office hours, and reporting on issue trends

• Create and maintain knowledge base materials, runbooks, FAQs, and troubleshooting documentation

Requirements

• At least 4 years of experience in technical support, cloud migrations, or Microsoft 365 administration

• Strong knowledge of Microsoft 365 services, including Exchange Online, SharePoint, OneDrive, Teams, and Azure AD fundamentals

• Hands-on experience with Google Workspace environments and cross-platform migrations

• Ability to diagnose complex issues across authentication, data synchronization, file systems, and user access

• Very good English skills (min. B2), enabling effective communication in an international environment

• Fluent Polish required

• Residing in Poland required

What we offer

• Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas

• Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market

• We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022

• Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more

• Comfortable workplace – class A offices or remote work

• Dozens of fascinating projects for prestigious brands from all over the world

• PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers

• Investment in your growth – meetups, webinars, training platform and technology blog – you choose

• Fantastic atmosphere created by all Sii Power People

If you want to work on systems with high operational significance — apply now!