Job Description
WWT is looking for a Senior Security Engineer specialising in Network Security to join the team in Sydney on a 6-month contract, with potential for extension. This is a project delivery role rather than a day-to-day operations position. The primary focus is designing firewall deployments, optimising firewall policies, and leading firewall migrations for WWT clients, alongside hands-on delivery of Cisco ISE network access control projects. You'll represent WWT directly with client teams, working alongside WWT's Domain Architects to deliver secure, resilient outcomes across multi-site environments.
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Key responsibilities
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Lead the end-to-end lifecycle of Palo Alto firewall and Cisco ISE deployments and migrations, including assessment, design, implementation, testing and validation.
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Perform firewall policy optimisation, upgrades and cross-vendor migrations while minimising operational risk and service disruption.
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Validate implemented solutions through structured testing as part of the standard change process, ensuring compliance with security, quality and operational standards.
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Help develop network segmentation strategy, and support secure VPN and remote access design.
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Engage directly with customers to gather requirements and provide technical consultation, owning detailed design and hands-on implementation, and presenting design decisions and recommendations directly to stakeholders.
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Produce handover and knowledge transfer documentation at project milestones and when engagements close.
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Ramp up quickly across different client environments and toolsets, working closely with security, network and vendor teams to keep delivery secure by design.
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Excellent written and verbal communication skills, backed by previous experience in a client-facing consulting or professional services role, with the confidence to lead client design discussions independently.
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Deep, hands-on expertise in Palo Alto Firewalls, including Panorama, App-ID and threat prevention.
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Strong hands-on expertise in Cisco ISE, including *****X and TrustSec policy enforcement.
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Ability to design and implement network segmentation, VPN and secure remote access solutions.
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Proven experience delivering enterprise network projects end-to-end, within complex, large-scale environments, with the ability to ramp up quickly in unfamiliar client settings.
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Strong troubleshooting and problem-solving skills, backed by explicit technical documentation, including handover and knowledge transfer materials.
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Ability to work collaboratively with engineering teams and project stakeholders.
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Willingness to undergo background checks before starting the contract.
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Highly Desirable
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Familiarity working within datacentrenetwork
andfirewallenvironments.
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Multi-
vendorfirewallexperience
beyond Palo Alto, such as Cisco FTD/FMC or Fortinet FortiGate, including experience
migratingfirewallpolicies
between vendor platforms.
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Broader network engineering depth, including Cisco or Juniper routing and switching, OSPF/BGP, and wireless network security, as supporting infrastructure knowledge.
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8 or more years of network security engineering experience, ideally backed by a vendor certification such as CCNP Security, CCIE Security or PCNSE.
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Strong automation and scripting skills (Python, Bash, Ansible) for
streamliningfirewalland
network security tasks.
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#J-*****-Ljbffr

📌 Senior Network Security Engineer (New South Wales)
🏢 World Wide Technology
📍 New South Wales