Rzeszów, Rzeszow, Podkarpackie Voivodeship, Polska
Sii Sp. z o.o.
29. 11. 2025
Informacje o stanowisku
technologies-expected :
Cisco
LAN
WLAN
Microsoft 365
Microsoft Exchange Server
Linux
technologies-optional :
ZScaler
CentOS
Cisco Meraki
Red Hat
about-project :
We are looking for an experienced Senior Infrastructure Engineer who will join a project carried out in cooperation with a client from the Retail sector. The project includes a full modernization of the infrastructure environment, work with network and system technologies, and a real impact on the development of IT infrastructure in the organization.
The role requires hybrid work (2-3 days in the client’s office per week) and several delegations related to overseeing implementations of the new infrastructure in locations in Poland.
responsibilities :
Participation in the modernization and development of network infrastructure based on Cisco Meraki and Zscaler
Work in a hybrid Microsoft 365 environment, including support and management of AD On-Prem, ADConnect, Exchange On-Prem and Exchange Online
Administration and standardization of Linux servers, ultimately based on CentOS/RedHat
Supervision over the implementation of new infrastructure in the client’s locations in Poland
Cooperation with the team within the IT Operations Competence Center and participation in project work related to the replacement of the entire technology stack
requirements-expected :
5 years of experience in roles related to network or infrastructure management
Very good knowledge of network infrastructure, in particular Cisco
Hands-on experience in a Microsoft 365 hybrid environment
Ability to administer Linux systems, preferably CentOS/RedHat
Knowledge of the Windows environment at the administrative level (endpoint management)
Readiness for occasional business trips
Ability to work in a team
Very good English language skills
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 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 – 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