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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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