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Snr Network Engineer

Information & Communication Technology / Engineering - Network

Posted 21/06/2026
Closes 05/07/2026

North Sydney, 2060, Sydney, New South Wales

Contract

Not specified

About the Role
We are seeking an experienced Senior Network Engineer to join a high-performing infrastructure team responsible for the design, implementation, optimisation and support of enterprise-scale network environments.
This is a hands-on technical role suited to an engineer who is equally comfortable developing detailed network designs, leading technical projects, and troubleshooting complex production issues.
Key Responsibilities
  • Design, implement and maintain large-scale enterprise network environments.
  • Produce high-level and low-level network designs (HLDs and LLDs).
  • Lead network transformation, migration and upgrade projects.
  • Provide Level 3/4 technical support and escalation expertise.
  • Configure, optimise and troubleshoot Cisco routing and switching platforms.
  • Deploy and manage Fortinet security solutions including FortiGate firewalls.
  • Design and implement network security policies and segmentation strategies.
  • Support data centre, campus, branch and cloud networking environments.
  • Develop technical documentation, operational procedures and network standards.
  • Collaborate with security, cloud, infrastructure and application teams.
  • Participate in change management, capacity planning and disaster recovery activities.
Technical RequirementsEssential
  • 7+ years of enterprise network engineering experience.
  • Strong hands-on experience with Cisco routing and switching technologies.
  • Advanced knowledge of:
    • BGP
    • OSPF
    • EIGRP
    • MPLS
    • VRF
    • VLANs
    • STP
    • HSRP/VRRP
    • QoS
  • Strong experience with Fortinet solutions including:
    • FortiGate
    • FortiManager
    • FortiAnalyzer
    • SD-WAN
    • VPN technologies
  • Experience designing and implementing highly available network architectures.
  • Proven experience creating detailed network designs and technical documentation.
  • Strong troubleshooting skills across LAN, WAN, wireless and security environments.
  • Experience with enterprise monitoring and network management platforms.
Desirable
  • Experience with Cisco DNA Centre.
  • Experience with cloud networking (AWS and/or Azure).
  • Network automation experience using Python, Ansible or Terraform.
  • Exposure to Cisco ISE and NAC solutions.
  • Wireless networking experience.

Applications open to:

Tags

Snr Network EngineerSydneyNew South WalesContractexpertechInformation & Communication TechnologyEngineering - Network