IT Infrastructure / L3 Support Engineer

We are hiring for our partner — an international crypto payments company — and are looking for an IT Infrastructure / L3 Support Engineer to join an established infrastructure team.

You’ll work on a B2C product, supporting internal and production infrastructure across Linux, Windows, Microsoft 365, identity management, networks, databases, backups, and containers.

This is a hands-on L3 infrastructure role for a system administrator who enjoys solving technical issues across different areas rather than focusing on just one technology.

What you’ll do

• Administer Linux and Windows guest operating systems
• Provide L3 infrastructure support and troubleshoot complex technical issues
• Administer Microsoft 365 environments
• Manage Microsoft Entra ID / Azure AD
• Manage users, accounts, permissions, licenses, and corporate access
• Administer Slack and related integrations
• Manage domains and corporate working environments
• Support corporate networks and network security
• Work with pfSense / MikroTik
• Support databases and business applications
• Perform backup and restore operations
• Work with Docker / containers and basic automation
• Monitor infrastructure, investigate logs, and troubleshoot incidents
• Maintain technical documentation, task trackers, and knowledge bases

What we’re looking for

• 3+ years of experience in System Administration / IT Infrastructure
• Strong hands-on experience with Linux and Windows
• Practical experience with Microsoft 365 administration
• Experience with Microsoft Entra ID / Azure AD
• User, account, access, and permission management
• Good understanding of corporate networking
• Hands-on experience with pfSense or MikroTik
• Experience supporting databases, including backup and restore
• Experience with Docker or similar container technologies
• English sufficient for reading technical documentation
• Comfortable working in a shift-based schedule
• Strong attention to detail and ability to follow established processes

Nice to have

• Slack administration
• Entra ID ↔ Slack integrations
• Bash / Python scripting
• Ansible
• Experience in a B2C / product company
• Experience with task trackers and knowledge bases
• Nginx / HAProxy

Details

Schedule: shift-based

• 01:30–09:30
• 09:00–18:00
• 17:00–01:00

You’ll join an established team and work across a broad infrastructure stack, combining system administration, L3 troubleshooting, identity management, networking, and infrastructure support.