Enterprise Network Administrator: Palo Alto, F5, Cisco

Quality & Reliability S.A. (QnR); Brussel; On-site; EUR 55,000 - 75,000; Full time

Job summary

Quality and Reliability (QnR) is seeking a Network Administrator to join an EU public sector project based in Brussels. You will operate, maintain and enhance enterprise network infrastructure, including WAN/LAN/WLAN, VPNs and security devices, to ensure seamless communications.

The role demands hands-on experience with Palo Alto, F5 BIG-IP and Cisco networking solutions, strong troubleshooting skills and a formal degree in a technical field.

Qualifications

• Bachelor's degree in a technical field is required.
• Strong hands-on expertise with Palo Alto and F5 technologies.
• Solid experience with Cisco networking solutions.
• Sound understanding of WAN, LAN/WLAN and VLAN.
• Knowledge of network security principles, VPN technologies, and cryptographic communication techniques.
• Experience operating and managing network devices and services (routers, switches, load balancers, accelerators, firewalls).
• Familiarity with network monitoring and performance management tools.
• Strong troubleshooting and analytical skills to resolve complex network issues.

Responsibilities

• Operate, maintain and support enterprise network infrastructure components.
• Investigate, diagnose, and resolve network incidents and performance issues to ensure service continuity.
• Ensure communication performance, resilience, and security aligned with SLA standards.
• Utilize network management and monitoring tools to analyze load and performance metrics.
• Proactively monitor traffic to identify bottlenecks and optimize performance.
• Install, configure, and upgrade network components and monitoring solutions.
• Perform testing and validation after upgrades and changes.
• Contribute to continuous improvement of network availability, reliability and security.

Skills

Palo Alto

F5 technologies

Cisco networking

WAN/LAN/WLAN/VLAN

Network security

VPN technologies

Troubleshooting

Education

Bachelor's degree in Computer Science, Engineering or related technical field

Tools

Palo Alto firewall management

F5 BIG-IP

Cisco routing & switching

Network monitoring tools

Job description

Quality and Reliability (QnR) is seeking a Network Administrator to join an EU public sector project based in Brussels. You will operate, maintain and enhance enterprise network infrastructure, including WAN/LAN/WLAN, VPNs and security devices, to ensure seamless communications.

The role demands hands-on experience with Palo Alto, F5 BIG-IP and Cisco networking solutions, strong troubleshooting skills and a formal degree in a technical field.