As a Senior Network Engineer, you will design, deploy, automate and optimise the network infrastructure supporting AI/HPC environments.

You will

- Design and deploy high-performance data centre networks across GPU compute, storage, front-end and management environments
- Design and implement CLOS / ECMP data centre fabrics
- Work across Layer 2/3 technologies including VLANs, VXLAN, BGP EVPN, OSPF and IS-IS
- Lead network workstreams through data centre construction, energisation and deployment
- Work closely with construction, electrical, data centre operations and engineering teams on rack layouts, cabling and deployment timelines
- Provision, configure and validate network infrastructure at scale
- Develop standardised network designs, bills of materials and deployment runbooks
- Build automation for zero-touch provisioning, configuration generation and deployment validation
- Support RDMA / RoCEv2 and/or InfiniBand environments, including PFC,



ECN and lossless fabric tuning
- Own network acceptance testing and GPU cluster bring-up
- Troubleshoot complex deployment issues and hand fully validated environments into operations

Desired Qualifications:

- Proven experience designing and deploying large-scale or complex data centre networks
- Deep expertise in Layer 2/3 networking and data centre fabric architecture
- Solid knowledge of CLOS, ECMP, VXLAN and BGP EVPN
- Experience with Arista, Cisco, Dell, NVIDIA Spectrum-X and/or Fortinet
- Experience with Cumulus Linux, SONiC, NX-OS or EOS
- Strong firewall and network security experience, ideally Fortinet / VDOM
- Experience supporting AI/HPC, RDMA, RoCEv2 or InfiniBand environments is highly desirable
- Automation experience with Python, Ansible, Terraform and Git/GitLab

📌 Senior Network Engineer (Sydney)
🏢 Nityo Infotech
📍 Sydney