Principal Technical Specialist – Firewalls

• Type: Contract
• Job #18043

About the Role

We are seeking an experienced Principal Technical Specialist – Firewalls to join a large government cyber security program. This position plays a key technical leadership role in the design, implementation, and management of enterprise firewall infrastructure, ensuring optimal performance, compliance, and network security across a complex ICT environment.
 

Key Responsibilities

• Lead the deployment, upgrade, and configuration of Check Point and Palo Alto firewalls, as well as F5 LTM/GTM/WAF technologies.
• Provide technical leadership for firewall replacement and optimisation projects, ensuring alignment with security and enterprise standards.
• Integrate firewall solutions with Cisco routing and switching to maintain high availability and performance.
• Manage and optimise firewall rule bases using AlgoSec or equivalent policy management tools.
• Monitor firewall health and performance via SolarWinds or similar platforms, proactively identifying and resolving issues.
• Deliver advanced troubleshooting and root cause analysis to support both project and operational environments.
• Produce and maintain comprehensive documentation including solution designs, configuration artefacts, implementation plans, and change procedures.
• Collaborate with stakeholders and vendors to ensure smooth delivery of technical outcomes and compliance with service management processes.

Highly Desirable Criteria

• Extensive, hands-on experience with Check Point firewalls, including builds, upgrades, troubleshooting, and policy optimisation.
• Proven experience with Palo Alto technologies in enterprise-scale deployments.
• Strong background in Cisco networking, including routing, switching, and integration with firewall platforms.
• Demonstrated use of AlgoSec (or equivalent NSPM tools) for policy management, risk analysis, and compliance.
• Proficiency with SolarWinds or similar tools for firewall monitoring and performance reporting.

Desirable Criteria

• Experience with F5 GTM, LTM, and WAF solutions.
• Familiarity with Secure Web Gateway technologies and proxy solutions.
• Knowledge of ServiceNow and ITIL processes including incident, problem, change, and configuration management.
• Understanding of cyber security frameworks and governance processes such as NIST, ISO27000, and Essential Eight.
• Ability to work effectively in high-pressure, time-sensitive project environments.

Skills and Experience

• Strong analytical and problem-solving skills with the ability to assess complex technical requirements.
• Proven experience providing third-level technical support and expert guidance in enterprise environments.
• Excellent written and verbal communication skills, with the ability to engage and influence technical and non-technical stakeholders.
• Strong leadership and collaboration capabilities within multidisciplinary teams.
• Ability to research emerging technologies and recommend enhancements to network security strategy.

Contact Details

For a confidential chat, please contact Raisa on 0437 318 208 or via email at raisa@exclaim-it.com.au, we’d be more than happy to provide you with additional information and assist you through the application process.