Senior IT Infrastructure Engineer

Technologies we use

Your responsibilities

• Administer and maintain network, server and cloud infrastructure.
• Monitor system performance, troubleshoot and resolve incidents.
• Implement infrastructure improvements and ensure system reliability.
• Support backup, disaster recovery and business continuity activities.
• Administer Microsoft 365, Azure, Exchange Online, Entra ID and Intune.
• Manage user identities, cloud resources and endpoint services.
• Ensure the secure and reliable operation of Microsoft cloud technologies.
• Manage firewalls, VPN connectivity and infrastructure security.
• Support ISO 27001 compliance and security best practices.
• Maintain technical documentation and coordinate with external technology partners.
• Support business-critical applications, SQL-based systems and telephony services.
• Ensure the availability and reliability of production environments.

Our requirements

• 3–5 years of experience in IT Infrastructure, Systems Administration or Cloud Operations.
• Practical experience with Microsoft 365 and Microsoft Azure.
• Good knowledge of Windows Server, networking, VPNs and firewall administration.
• Strong troubleshooting and analytical skills.
• Ability to work independently and take ownership.
• English at C1 level.

Optional

• Microsoft or Cisco certifications.
• Experience with SQL Server administration.
• PowerShell scripting skills.
• Experience with Microsoft Intune and Entra ID.
• ITIL Foundation or ISO 27001 experience.

What we offer

• Real opportunities for professional growth while contributing to innovative projects and automation initiatives.
• Private medical care (Lux Med).
• Co-financing of a Multisport card to support your well-being and active lifestyle.
• Co-financing for meals.
• Access to company training programs.
• Additional day off to celebrate your birthday.
• A diverse and inclusive work environment that values different perspectives, experiences and ideas.
• A friendly and supportive working environment with a strong team culture.
• Hybrid working model – we work from our centrally located office in Warsaw 3–4 days per week, combining in-office collaboration with remote flexibility.

Benefits