Network Security Engineer

6 days ago

Sydney, New South Wales, Australia Green Light PS Pty Ltd Full time $120,000 - $180,000 per year

Engagement Type:Contract – Full Time (Approx. 3 months)Location:Hybrid (Sydney-based) Clearance:Not required

Overview We are seeking an experienced Network & Security Engineer to support enterprise network and security initiatives as part of a hands-on technical delivery team.

The successful candidate will be responsible for reviewing, aligning, and implementing routing and firewall configurations across complex environments. You will work closely with internal architecture and engineering teams to deliver end-to-end technical outcomes.

Key Responsibilities

  • Perform in-depth analysis and documentation of current network and firewall configurations.
  • Review and align network environments to support consistency, stability, and failover capabilities.
  • Configure and implement firewall rules and routing changes using Palo Alto Networks (PAN) and Cisco technologies.
  • Support decommissioning of legacy network systems and ensure alignment with network governance standards.
  • Contribute to planning and execution of change activities to improve network performance and resilience.
  • Work collaboratively with cross-functional teams including engineering, architecture, and operations.

Required Skills & Experience

  • Extensive hands-on experience in enterprise networking, including data centre environments.
  • Strong expertise in Palo Alto Networks (PAN) firewalls – including rules, policies, and flows.
  • In-depth knowledge of Cisco networking – including routing, switching, and BGP.
  • Solid understanding of network segmentation, failover strategies, and policy-based routing.
  • Demonstrated experience in executing complex network changes and migrations.
  • Excellent documentation and communication skills.

Apply now Interested candidates, please send your updated CV to  or reach us

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