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November 3, 2026
IT Infrastructure Expert
Senior • On-site
1,352,000 - 1,872,000 PLN/yr
Warsaw, MA, Poland
Quick Facts
Model: Hybrid (3 days per week in Warsaw)
Start date: immediately or within 1 month of notice
Rate: 650–900 PLN net/day (based on experience)
Description
Join the IT team as an IT Infrastructure Expert and help build a modern infrastructure environment across on-premise, hybrid, and cloud solutions. You will apply deep technical knowledge to design solutions, resolve complex problems, and define technology standards.
Responsibilities
Design, develop, and optimize IT infrastructure for on-premise, hybrid, and cloud environments, including standardization of multi-tenant setups
Perform advanced administration and development for Windows Server, Linux, Microsoft 365, Entra ID, Exchange Online, VMware, and Microsoft SQL Server
Design and develop solutions for security and service continuity, including backup, retention, data restore, high availability, and disaster recovery
Analyze and optimize existing solutions; recommend modernization, migration, or replacement paths and resolve complex infrastructure issues
Participate in IT transformation projects by creating standards, technical documentation, and technology recommendations
Requirements
Minimum 3 years of experience in IT infrastructure, advanced administration, solution design, or system architecture
Practical experience working with multi-tenant environments
Very good knowledge of Windows Server and key Microsoft infrastructure services
Practical knowledge of Linux and experience with virtualization environments, specifically VMware or equivalent
Knowledge of relational databases, especially Microsoft SQL Server (or equivalent)
Very good knowledge of Microsoft 365, Microsoft Entra ID, and hybrid environments
Experience with backup, high availability, disaster recovery, and business continuity
Solid understanding of IT networking and infrastructure security
Ability to run advanced diagnostics and troubleshoot complex technical problems
Ability to prepare technology recommendations, standards, and technical documentation
English skills enabling independent work with technical documentation and IT systems
Availability to start immediately or within up to 1 month of notice
Benefits
Long-term cooperation
Technical training, certifications, and qualification development
Mentoring Competence Center community from day one
Clear career path
Employee benefits package (Multisport, private medical care, life insurance)
Friendly work atmosphere, integration events, and team-building activities
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