Senior Network Engineer

5 days ago

Sydney, New South Wales, Australia Ethos BeathChapman Full time

1 week ago Be among the first 25 applicants

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Ethos BeathChapman provided pay range

This range is provided by Ethos BeathChapman. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

A$180,000.00/yr - A$180,000.00/yr

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The Opportunity

A fantastic opportunity has opened up for a Senior Network Security Engineer to join a highly skilled Security & Infrastructure 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.

Key Responsibilities

  • Design & Deploy: Build and manage high-performance, scalable edge/perimeter network-security solutions using Infrastructure-as-Code.
  • DDoS Defence: Tune and operate L3/L4 DDoS mitigation platforms (e.g., Akamai, Cloudflare, FortiDDoS, Arbor, Radware), overseeing policy baselines, readiness and incident response.
  • Traffic Flow Management: Engineer and optimise secure traffic flows, leveraging routing protocols (BGP), firewalls, and advanced network-security techniques.
  • Incident Response: Lead complex Level 3 incident investigations, ensuring proactive mitigation and operational excellence.
  • Automation & IaC: Drive automation with tools such as Terraform, Ansible, Git and Python, embedding IaC into delivery pipelines.
  • Continuous Improvement: Enhance telemetry, monitoring, and alerting to strengthen operational resilience and incident prevention.

What You'll Bring

  • 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 highly regarded.
  • Experience in financial services or other highly regulated industries advantageous.
  • Why Apply? Join a high-performing, security-focused engineering team.
  • Work across cutting-edge network security & DDoS mitigation projects
  • Must be an Australian Citizen or Permanent Resident.
Seniority level
  • Mid-Senior level
Employment type
  • Full-time
Job function
  • Information Technology
Industries
  • Staffing and Recruiting

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