Prime21
Zürich
Network Administrator (m/f/d) - LAN, WAN & WLAN Infrastructure
- 06 May 2026
- 100%
- Permanent position
- Zürich
About the job
Are you a network specialist who enjoys complex infrastructures? In this role, you ensure the stable and secure operation of the Europe-wide LAN and WAN infrastructure – for around 10,000 users at over 100 locations.
Become part of an experienced IT infrastructure team and actively contribute to the reliability of a Europe-wide connected company. You manage and optimise an extensive network landscape based on Cisco technologies (Meraki, Classic, Nexus), work in 2nd and 3rd level support, and contribute your expertise to technical concepts and documentation. Modern working environment, attractive benefits, and genuine development prospects included.
Become part of an experienced IT infrastructure team and actively contribute to the reliability of a Europe-wide connected company. You manage and optimise an extensive network landscape based on Cisco technologies (Meraki, Classic, Nexus), work in 2nd and 3rd level support, and contribute your expertise to technical concepts and documentation. Modern working environment, attractive benefits, and genuine development prospects included.
Your Responsibilities
- Operation and assurance of the Europe-wide LAN, WAN, and WLAN infrastructure
- Analysis and resolution of network faults in 2nd and 3rd level support
- Creation of technical concepts, system overviews, and complete operational documentation
- Planning and execution of changes, migrations, and system maintenance
- Cross-functional collaboration within the infrastructure team and participation in network projects
Our Requirements
- Completed training in computer science, systems engineering, or comparable qualification (HF, FH, apprenticeship + further training)
- Several years of professional experience in operating WAN, LAN, and WLAN infrastructures, preferably Cisco (Meraki, Classic, Nexus)
- Experience with security solutions such as Cisco ISE, NAC, or web proxy
- High security and quality awareness as well as independent, structured working style
- Very good German skills (C1) and good English skills (B2) in spoken and written form
- Willingness to participate in on-call duty
- Advantageous
- Experience with scripting (Python, Bash) to automate network tasks
- Certifications such as CCNA, CCNP, or Cisco Meraki Solutions Specialist
Your Prospects
- Attractive, independent pension fund with above-average benefits
- At least 25 days of holiday and flexible working time models
- Individual further training and certification support (e.g. CCNA, CCNP, Meraki)
- Numerous employee discounts (mobility, insurance, travel, and much more)
- Long-term prospects in a stable, growing environment
- Choice between two locations: Zurich-Altstetten or Canton Aargau
