Senior Network Engineer

We’re looking for a Senior Network Engineer to take ownership of complex network and security environments across multiple sites. This is a hands-on role focused on implementation, optimisation, troubleshooting, and improving network resilience and performance.

You’ll work closely with internal technology teams and external vendors to deliver secure, reliable network services and support ongoing infrastructure projects.

Key responsibilities

• Install, configure and troubleshoot Cisco datacentre switching and enterprise network environments

• Support and maintain Cisco FMC / FTD, ISE, wireless, SDA and DNAC environments

• Configure and manage F5 LTM load balancing solutions

• Monitor and tune network performance to meet service levels

• Lead fault resolution and technical troubleshooting across network and security platforms

• Coordinate firewall changes and security risk mitigation activities

• Work with vendors and internal stakeholders to resolve incidents and deliver upgrades

• Maintain documentation, standards, processes and network procedures

• Support automation initiatives using tools such as Puppet, Ansible, or Cisco ACI

• Participate in an on-call roster and occasional after-hours work as required

What you’ll bring

• Extensive experience as a senior network engineer in enterprise environments

• Strong Cisco expertise (CCNP required, CCIE highly regarded)

• Experience across Cisco routing and switching (IOS and NX-OS), Cisco FTD/FMC, DCNM, DNAC, SDA and ISE

• Strong understanding of TCP/IP, DHCP, VPN, IPSEC, SSL, BGP, EIGRP, HSRP, QoS and network security principles

• Proven experience delivering network upgrades and installations across multiple sites

• Strong communication skills and ability to work with both technical and non-technical stakeholders

• Ability to work independently, manage competing priorities, and deliver under pressure

• Fortinet firewall experience
• Exposure to Unix/Linux/Windows network environments

Role Details ...