Senior System & Network Engineer (Zurich Airport)

About the role

dnata Switzerland AG is seeking a Senior System & Network Engineer to own and modernise the IT infrastructure supporting its ground handling operations at Zurich Airport. You will be responsible for the stability, security and cost‑efficiency of servers, virtualization, storage, backup and network services across both Zurich and Geneva sites.

Key responsibilities

• Administer and develop Windows Server, Active Directory/Entra ID, virtualization, storage and backup environments.
• Own and enhance the network infrastructure – firewalls, switching, VLAN design, Wi‑Fi and VOIP – in coordination with airport providers.
• Deliver roadmap projects such as firewall replacements, a full network redesign and migration from VMware to KVM.
• Act as the 3rd‑level escalation point for IT and application support, providing coaching and knowledge transfer.
• Maintain security standards, perform regular checks and remediate vulnerabilities together with the Emirates Group Cyber Security Operations Centre.
• Evaluate new technologies, shape upgrade decisions and support vendor and contract management.

Required profile

• 5+ years of experience as a System Engineer, Network Engineer or similar, with end‑to‑end infrastructure ownership.
• Strong hands‑on expertise in Windows Server, Active Directory/Entra ID and Microsoft 365/cloud environments.
• Proven experience with virtualization, storage, backup/disaster‑recovery and migration projects.
• Solid networking and firewall knowledge (CCNA level or equivalent) and scripting skills (PowerShell).
• Excellent communication in English and German; willingness to work on‑site at Zurich Airport and share on‑call duties.

Required skills

• Windows Server
• Active Directory
• Entra ID
• Microsoft 365
• VMware
• KVM
• PowerShell scripting
• Cisco CCNA networking
• Firewalls
• Switching
• VLAN design
• Wi‑Fi
• VOIP
• Storage solutions
• Backup and disaster‑recovery
• Virtualization
• Security standards
• Vulnerability remediation

What we offer

• A friendly, informal culture where everyone is on a first‑name basis.
• Opportunities for career development and progression within the dnata group.
• Engagement in a dynamic, 24/7 operational environment supporting major airlines.