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