Network Security Engineer

6 days ago

Sydney, New South Wales, Australia AC3 Pty Limited Full time $120,000 - $180,000 per year

Our client is seeking a Senior Network Engineer with strong firewall and security expertise to join their expanding and motivated team. The role will see you working extensively with Palo Alto firewalls (must-have), while also leveraging experience across Fortinet and broader networking technologies.

You'll balance operational responsibilities with project delivery, supporting day-to-day BAU tickets as well as contributing to major transformations and migrations.

Responsibilities:

  • Manage, maintain, and improve firewall and network security services across customer environments
  • Work on BAU activities including admin changes, fault investigation, firmware upgrades, and escalation support (L3)
  • Lead and contribute to firewall migrations, security transformations, and new project deployments
  • Configure, implement, and support network and security devices including firewalls, switches, routers, and load balancers
  • Ensure managed environments meet or exceed operational SLAs
  • Provide input into the design, implementation, and continual improvement of secure technical solutions and services
  • Collaborate with customers and internal teams, ensuring clear communication across technical and business stakeholders

Experience:

  • 5+ years' experience as a Senior Network Engineer with a strong focus on firewall and security
  • Must-have: Hands-on expertise with Palo Alto firewalls (configuration, troubleshooting, upgrades, migrations)
  • Additional experience with Fortinet firewalls highly desirable
  • Broader background with Cisco routing, switching, and Meraki solutions
  • IT qualifications in Networking and/or Security disciplines
  • Experience providing L2/L3 support across network and security incidents
  • Familiarity with automating routine IT processes
  • A current driver's licence for on-site travel and project rollouts
  • Excellent communication and interpersonal skills to engage confidently with customers and project stakeholders

This is an exciting opportunity to deepen your expertise in firewall and network security while working across a diverse set of technologies, projects, and enterprise customers.

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