Network Engineer

Cox Purtell Staffing Services; Sydney; On-site; AUD 140,000 - 180,000; Full time

Job summary

Sydney-based role within Infrastructure and Network Engineering, supporting APAC LAN/WAN and security environments for a global market maker. The position focuses on hands-on management of data centre networks and firewall architectures with ownership of deployments across the region.

Reporting into the Senior Network Engineering Lead, this role emphasizes technical ownership and deep networking expertise rather than people management, with on-site presence in Sydney.

Qualifications

• 10+ years of experience as a senior network engineer or architect.
• Strong campus LAN experience, ideally Arista and Cisco.
• Practical experience applying infrastructure as code to network systems.
• Experience designing or maintaining multi zone, multi tier firewall architecture across regions.
• Solid Unix systems administration skills.

Responsibilities

• Deliver on-box network engineering support across complex LAN and WAN environments, including hands-on configuration and troubleshooting.
• Support design, build and ongoing management of data centre deployments across APAC.
• Design and maintain multi-zone, multi-tier firewall architecture across the APAC network.
• Apply infrastructure-as-code methodology to network systems to improve consistency and reduce manual config risk.
• Provide Unix systems administration support for network-adjacent infrastructure.

Skills

On-box network engineering

LAN/WAN

Infrastructure as code

Unix systems administration

Arista

Cisco

Data centre networking

Tools

Arista switches

Cisco devices

Job description

Sydney | Infrastructure and Network Engineering

On box network engineering across a global market maker's international trading network. Ownership of multi zone firewall architecture and infrastructure as code delivery across APAC. A Sydney based seat with genuine ownership of low latency network infrastructure at scale.

About the Client

Our client is a leading global market maker, known for its technology driven approach to trading across a wide range of asset classes worldwide. With a strong engineering culture and a reputation for operational excellence, they invest heavily in the infrastructure that underpins their trading operations. Their Sydney office forms a key part of their APAC footprint, supporting critical low latency trading and data centre environments.

About the Role

This is an experienced, hands on Network Engineer role sitting within the Infrastructure and Network Engineering team, supporting the organisation's international LAN, WAN and security environment across APAC. You will work on box across complex campus and data centre networks, playing a central role in supporting data centre deployments across the region. Reporting into the Senior Network Engineering Lead, this is a feeder role for engineers who want deep technical ownership rather than a management track, in an environment where network performance has a direct and visible impact on the business.

Duties

• Deliver on box network engineering support across complex LAN and WAN environments, including hands on configuration and troubleshooting.
• Support the design, build and ongoing management of data centre deployments across the APAC region.
• Design and maintain multi zone, multi tier firewall architecture across the APAC network.
• Apply infrastructure as code methodology to network systems, improving consistency and reducing manual configuration risk.
• Provide Unix systems administration support across network adjacent infrastructure.

Requirements

• 10+ years' experience as a senior network engineer or architect, with proven on box experience across complex LAN and WAN environments.
• Strong campus LAN experience, ideally across Arista and Cisco platforms.
• Practical experience applying infrastructure as code methodology to network systems.
• Experience designing or maintaining multi zone, multi tier firewall architecture across multiple regions.
• Solid Unix systems administration skills.
• This role is based in Sydney and requires an on the ground presence, it is not a remote or regionally based position.