Lead IT Infrastructure Engineer – Hybrid Cloud and Security

FRISTA; Warszawa; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Professional growth

Multisport card

Meal allowance

Training programs

Birthday day off

Diverse environment

Team culture

Hybrid work model

Job summary

FRISTA in Warsaw seeks an experienced Senior IT Infrastructure Engineer to join our IT team. You will work across enterprise infrastructure, Microsoft cloud technologies, networking and cybersecurity to maintain and improve our IT environment.

Responsibilities include administering network, server and cloud infrastructure, monitoring performance, and ensuring reliable, secure production environments. A hybrid Warsaw role with growth opportunities and modern tech stack.

Qualifications

• 3-5 years of experience in IT Infrastructure, Systems Administration or Cloud Operations.
• Very good command of English (C1).

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.

Skills

Troubleshooting

English proficiency

Tools

Microsoft 365

Microsoft Azure

Windows Server

Entra ID

Intune

Job description

FRISTA in Warsaw seeks an experienced Senior IT Infrastructure Engineer to join our IT team. You will work across enterprise infrastructure, Microsoft cloud technologies, networking and cybersecurity to maintain and improve our IT environment.

Responsibilities include administering network, server and cloud infrastructure, monitoring performance, and ensuring reliable, secure production environments. A hybrid Warsaw role with growth opportunities and modern tech stack.