Senior Network Security Engineer - SD-WAN & SIEM Lead

seek.com.au; Melbourne; On-site; AUD 185,000 - 314,000; Full time

Job summary

seek.com.au is seeking a highly experienced Senior Network Security Engineer for a 12-month daily rate contract to lead a major network and security transformation in Australia. The role focuses on SD-WAN rollout, infrastructure refresh, SIEM and endpoint security capabilities across multiple sites.

You will work with external service providers, provide technical oversight and support both project delivery and ongoing operations, ensuring timely delivery and robust security controls.

Qualifications

• Extensive hands-on network engineering with 10+ years' experience.
• Proven SD-WAN implementation and rollout track record.
• Strong routing, switching, firewall, and network protocol expertise.
• Experience working with vendors/ MSPs on large-scale networks.
• Experience SIEM technologies (e.g., Splunk, Sentinel).
• Experience endpoint security tech (Defender, CrowdStrike).
• Ability to own technical outcomes in complex environments.

Responsibilities

• Oversee and support the SD-WAN rollout across 250+ sites.
• Support deployment, configuration, testing and migration of routers, switches and related infra.
• Collaborate with external MSPs, reviewing designs and rollout activities.
• Establish monitoring to provide visibility into network health and performance.
• Contribute to SIEM implementation and configuration.
• Contribute to endpoint security capabilities deployment.
• Support ongoing network performance and incident resolution.

Skills

SD-WAN

Routing

Switching

Firewalls

SIEM

Endpoint security

Network monitoring

Vendor management

Tools

Splunk

Microsoft Sentinel

CrowdStrike

Fortinet

Job description

seek.com.au is seeking a highly experienced Senior Network Security Engineer for a 12-month daily rate contract to lead a major network and security transformation in Australia. The role focuses on SD-WAN rollout, infrastructure refresh, SIEM and endpoint security capabilities across multiple sites.

You will work with external service providers, provide technical oversight and support both project delivery and ongoing operations, ensuring timely delivery and robust security controls.