Network & Security Engineer (80-100%)

Your Responsibilities

• Planning, operation and further development of data centre, office and cross-site networks
• Configuration and support of Cisco switches, routers and other network infrastructure
• Operation and further development of Palo Alto firewalls as well as maintenance of security policies
• Administration of site-to-site and remote access VPNs as well as connections to external partners
• Operation of BGP routing and control of internet traffic
• Management of VLANs, routing, NAT, network segmentation and IP address spaces
• Support of internet uplinks, carrier connections and connectivity between different sites and data centres
• Planning and implementation of network architecture, upgrades and lifecycle activities
• Monitoring of availability, performance, capacity and network traffic
• Analysis and resolution of network, routing, firewall, VPN, DNS and connectivity issues
• Use of Wireshark for analysis of network and protocol traffic
• Maintenance of network documentation, configuration backups, inventories and operational documentation
• Implementation of network segmentation, hardening and measures to resolve security vulnerabilities
• Review of firewall rules, access permissions, firmware versions and security configurations
• Support with installation, cabling and replacement of network hardware in data centres
• Support with Linux, DNS, DHCP, NTP and other infrastructure services
• Network-side support for SMPP, SCTP and SS7/SIGTRAN connections
• Support for office networks, WLAN and other corporate IT services
• Participation in incident management, infrastructure changes and compensated on-call duty

Our Requirements

• Solid practical experience in TCP/IP and enterprise networking
• Good knowledge of Ethernet, VLANs, switching, routing and network segmentation
• Experience with firewalls, NAT, access control and VPN technologies
• Practical experience with Cisco or comparable enterprise network components
• Experience with Palo Alto or comparable firewall platforms is an advantage
• Knowledge of BGP, internet routing and cross-site connectivity is an advantage
• Experience with Wireshark and packet-level troubleshooting
• Understanding of network monitoring, capacity management and configuration backups
• Basic knowledge of Linux and infrastructure administration
• Knowledge of Proxmox, Ceph, ZFS or virtualisation is an advantage
• Experience with SMPP, SCTP, SS7 or SIGTRAN is an advantage
• Analytical and solution-oriented thinking as well as high personal responsibility
• Team-oriented and communicative personality
• Training in IT, network, cyber security, computer science or a comparable qualification, e.g. computer scientist EFZ, ICT system and network technician, cyber security specialist, CCNA or comparable
• Very good English skills; German is an advantage
• Residence in Switzerland

Your Prospects

• Responsible role around modern network and security infrastructures
• Broad technical environment with Cisco, Palo Alto, BGP, VPN, routing and telecom connectivity
• Opportunity for development towards network architecture, cyber security or telecom engineering
• High degree of personal responsibility and short decision-making paths in a specialised team
• Modern workplace and high-quality technical equipment
• Flexible working model with home office option, provided operational tasks allow
• Permanent employment with a workload of 80-100%
• Compensated on-call duty