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IT Systems Engineer – Microsoft 365 & Exchange Specialist
  • Rzeszow
IT Systems Engineer – Microsoft 365 & Exchange Specialist
Rzeszów, Rzeszow, Podkarpackie Voivodeship, Polska
Sii Sp. z o.o.
10. 10. 2025
Informacje o stanowisku

technologies-expected :


  • Microsoft 365
  • Microsoft Exchange Server
  • Microsoft Office

technologies-optional :


  • Mozilla Thunderbird

about-project :


  • We are seeking a skilled and proactive IT Systems Engineer to support a project focused on transitioning users from legacy email platforms to Microsoft Outlook. The ideal candidate will bring hands-on experience in email system migrations, strong technical knowledge of Microsoft 365 and Exchange, and excellent communication skills to collaborate effectively with both technical teams and business users.
  • This is a fully on-site role based in Rzeszów.

responsibilities :


  • Perform data transfers and system migrations from Mozilla Thunderbird (POP3) to Microsoft Outlook
  • Resolve technical issues before and after migration, including Outlook profile setup and mobile device reconfiguration
  • Provide expert-level support for Microsoft Exchange and Microsoft 365 environments
  • Deliver knowledge transfer sessions and ongoing assistance to end users and internal teams
  • Maintain clear and comprehensive documentation of migration procedures, configurations, and support protocols
  • Communicate effectively with business stakeholders and cross-functional teams to ensure alignment and project success

requirements-expected :


  • Proven experience in email system migrations, ideally involving POP3 and Mozilla Thunderbird
  • Strong understanding of email protocols (POP3, IMAP)
  • Minimum 2 years of hands-on experience with Microsoft 365 services
  • At least 5 years of experience in the IT sector
  • Solid background in user support, helpdesk, or systems administration
  • Proficiency in Microsoft Outlook and Excel
  • Fluent in both Polish and English (spoken and written)
  • Residing in Poland required

offered :


  • 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 60M 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 – you can change them thanks to Job Changer application
  • 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

  • Praca Rzeszów
  • Administrator IT Rzeszów
  • Specjalista ds. bezpieczeństwa IT Rzeszów
  • Rzeszów - Oferty pracy w okolicznych lokalizacjach


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