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Senior Network Security Engineer

Sydney CBD💼 Full-time🗓 2026-09-11 → 2026-09-26

Core

Own and operate enterprise network and security platforms across on-prem, data centre, cloud, and branch environments, acting as a Tier 3 escalation point and technical authority.

Role type

Senior Network Security Engineer (Hands-on IC)

Builds

Secure, reliable enterprise network infrastructure and security controls

Domain

Healthcare / Network Security & Cloud Networking

Deliverable

production ML models | product features | infrastructure

Required skills

Cisco routing/switching/ACI/Wireless/ISE, Palo Alto firewalls, SD-WAN, AWS networking (VPC, Transit Gateway), hybrid cloud concepts, network automation, Python/PowerShell scripting, IaC (Terraform, CI/CD), vulnerability management, compliance frameworks (NIST, CISM)

Preferred skills

Security Service Edge (SSE), Zero Trust architectures, healthcare or financial services background, CCNP, PCNSE, AWS Solutions Architect certifications

Technologies

Cisco, Palo Alto, SD-WAN, Infoblox, F5/NGINX, AWS, Azure, Terraform, CI/CD, Python, PowerShell

Responsibilities

Lead complex incident response and root cause analysis; configure and optimize firewall policies and threat prevention; maintain network systems lifecycle and upgrades; mentor junior engineers; design and operate AWS networking environments; apply cyber risk management practices

Seniority

Senior, hands-on IC

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