Systems Administrator – Mission‑Critical Infrastructure

About the role

We are looking for a seasoned Systems Administrator to manage and evolve our mission‑critical IT environment. You will be responsible for ensuring operational continuity across servers, storage, virtualization, cloud services and security platforms.

Key responsibilities

• Administer and maintain Windows Server and Linux operating systems.
• Plan, install, configure and manage HPE Alletra storage and HPE OneView infrastructure.
• Operate virtualization platforms such as VMware and KVM/Oracle.
• Manage core services including Active Directory, DNS, file sharing, printing and network services.
• Administer cloud and SaaS solutions: Azure, Microsoft 365, Exchange Online and Intune.
• Maintain WatchGuard firewalls, endpoints and Veeam backup solutions.
• Monitor infrastructure with Zabbix and CheckMK.
• Lead technology projects, produce technical documentation and validate production environments.
• Define technical requirements, prepare specifications, evaluate proposals and manage suppliers.

Required profile

• Proven experience in complex systems administration and infrastructure management.
• Strong knowledge of virtualization, networking, firewalls and VoIP.
• Hands‑on experience with information‑security tools and vulnerability analysis.
• Ability to produce detailed technical documentation and follow strict deadlines.
• Results‑oriented, adaptable and capable of working under pressure.

Required skills

• Windows Server
• Linux
• HPE Alletra storage
• HPE OneView
• VMware
• KVM / Oracle virtualization
• Active Directory
• DNS
• File sharing and network services
• Azure
• Microsoft 365, Exchange Online, Intune
• WatchGuard firewalls
• Veeam Backup
• Zabbix, CheckMK
• Google Cloud
• Database management
• Enterprise application systems
• Archival platforms

What we offer

• Permanent contract for a long‑term project
• Tech equipment, SIM card and personal smartphone
• Health and life insurance
• Social events, team‑building activities
• Continuous training on the latest technologies
• Office amenities: coffee, fruits, snacks