Senior System Administrator

Quick Facts

• Role: Senior System Administrator

• Work model: Hybrid after onboarding (3 days office, 2 days home office)

• Location: Liberec

Description

Support and administer Windows and Linux server environments, including monitoring and validating backup and data restore processes. You will manage Microsoft 365 and Active Directory, integrate Azure AD with cloud services, and automate monitoring and troubleshooting with PowerShell. The role also includes improving system availability and performance and providing escalation support to IT service teams.

Responsibilities

• Support and manage Windows and Linux server environments
• Monitor, maintain, and verify backup and restore processes
• Administer Microsoft 365 (Exchange, Teams, OneDrive, SharePoint)
• Work with Azure AD and AWS/cloud integrations
• Manage Microsoft 365 and Active Directory components (Group Policy, DNS, Sites & Services, etc.)
• Monitor systems and resolve issues using automation with PowerShell
• Ensure availability and performance; propose system improvements
• Provide escalation support for IT service teams

Requirements

• University degree in IT is a plus
• Minimum 3 years of experience as a System Administrator
• Practical virtualization experience (VMware preferred, not required)
• NAS solution knowledge and CIFS/SMB protocols
• Advanced knowledge of Windows Server and Linux
• Experience with PowerShell scripting
• Strong orientation in networking (TCP/IP, DNS, DHCP)
• Experience with Active Directory administration (ADUC)
• Knowledge of backup and disaster recovery processes
• Advanced English; Czech or Slovak required

Benefits

• Supportive atmosphere and individual approach
• Quarterly financial bonuses
• Meal vouchers
• Transport contribution
• Multisport card
• Pluxee contribution for the card
• Education support
• Company events