Leading Network Security Expert

17 hours ago

Sydney, New South Wales, Australia Bebeenetwork Full time

Job Opportunity
A career-defining opportunity has arisen for a seasoned Network Security Engineer to join our highly skilled team.
This role will see you take ownership of complex edge and perimeter network-security engineering, with a particular focus on DDoS mitigation and L3/L4 security controls.
You'll be involved in designing, deploying, and optimising critical security infrastructure across cloud and on-premises environments, ensuring traffic flows securely and efficiently through technologies such as BGP, firewalls, and data scrubbing platforms.
Design and deploy high-performance, scalable edge/perimeter network-security solutions using Infrastructure-as-Code.
Tune and operate L3/L4 DDoS mitigation platforms (e.g., Akamai, Cloudflare, FortiDDoS, Arbor, Radware), overseeing policy baselines, readiness and incident response.
Engineer and optimise secure traffic flows, leveraging routing protocols (BGP), firewalls, and advanced network-security techniques.
Lead complex Level 3 incident investigations, ensuring proactive mitigation and operational excellence.
Drive automation with tools such as Terraform, Ansible, Git and Python, embedding IaC into delivery pipelines.
Enhance telemetry, monitoring, and alerting to strengthen operational resilience and incident prevention.
The Ideal Candidate
A strong background in network security engineering within large-scale, complex environments.
Expertise in DDoS mitigation at Layers 3/4, including deployment, tuning, and policy management.
Deep knowledge of TCP/IP, BGP, DNS, VPNs, firewalls, and perimeter architectures.
Hands-on experience with automation & provisioning (Terraform, Ansible, Python, Git).
Exposure to Akamai or equivalent platforms is highly regarded.
Experience in financial services or other highly regulated industries is advantageous.
Skillset Requirements
Strong understanding of network protocols and architecture.
Proficiency in programming languages such as Python and Ansible.
Experience with infrastructure-as-code tools like Terraform.
Knowledge of cybersecurity best practices and threat mitigation strategies.

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