Senior Network Infrastructure Engineer

The Opportunity:

This is an opportunity to work in a senior technical role supporting secure, enterprise scale environments in a highly regulated setting. You will be responsible for maintaining and improving critical platforms across networking, servers, storage and backup technologies, while contributing to operational resilience, security and ongoing infrastructure improvement initiatives. The role offers broad exposure across enterprise technologies and the opportunity to work on complex technical challenges and high impact operational outcomes.

The successful candidate must hold a Baseline security clearance or higher.

Responsibilities:

Support and maintain enterprise infrastructure across network, server, storage, backup and virtualisation platforms.

Configure, administer and optimise complex Cisco network environments, including Cisco ISE, Cisco NDFC, Nexus switching, Leaf-Spine architectures, VXLAN and SD-WAN technologies (Viptela and/or Meraki).

Manage and support secure network services, including Palo Alto firewalls, VPNs and remote connectivity solutions.

Administer F5 BIG-IP load balancing platforms and Azure cloud networking services.

Support Windows, Linux and VMware environments, ensuring high availability, performance and security.

Troubleshoot and resolve complex infrastructure, networking and connectivity issues across multiple technology domains.

Perform upgrades, patching, monitoring, lifecycle management and capacity planning activities.

Support backup, recovery, disaster recovery testing and operational resilience initiatives.

Contribute to incident, problem and change management processes, ensuring reliable and secure service delivery.

As the ideal candidate you will bring: Required:

Australian citizenship and Baseline security clearance or higher

Strong hands-on experience with Cisco networking technologies, including Nexus switching, Cisco ISE, SD-WAN and modern data centre networking concepts.