Job Description

Act as the primary F5 SME supporting the customer's F5 infrastructure environment.

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Design, implement, configure, and maintain F5 application delivery and security services.

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Manage platform lifecycle activities including upgrades, patches, migrations, and technology refresh initiatives.

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Ensure platform stability, availability, scalability, and performance.

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Perform capacity planning and platform optimization activities.

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Support high-availability and disaster recovery configurations.

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Operational Support

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Provide Level 3 technical support for complex F5-related incidents and service requests.

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Troubleshoot and resolve critical application delivery and load-balancing issues.

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Conduct root cause analysis and implement permanent corrective measures.

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Participate in major incident response and service restoration activities.

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Maintain operational runbooks and support documentation.

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Design Reviews & Technical Governance

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Participate in solution design workshops and architecture review sessions.

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Validate technical designs against operational, security, and architectural standards.

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Review network, security, and application requirements for current service deployments.

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Provide technical recommendations and best-practice guidance to project and engineering teams.

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Support risk assessments and implementation planning activities.

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Implementation & Project Delivery

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Lead F5 implementation activities across multiple projects and initiatives.

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Execute configuration changes, migrations, and platform deployment activities.

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Develop implementation plans, rollback procedures, and testing approaches.

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Support application onboarding and production release activities.

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Participate in maintenance windows and scheduled change activities.

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Security & Compliance

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Ensure security controls are implemented in accordance with organizational standards.

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Support application security capabilities through F5 Advanced WAF / ASM.

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Implement traffic inspection, SSL services, and secure application delivery controls.

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Support audit, compliance, and vulnerability remediation activities.

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Documentation & Process Improvement

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Create and maintain design documentation, operational procedures, and technical standards.

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Develop implementation guides and support playbooks.

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Identify opportunities for platform automation and operational improvement.

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Contribute to continuous service improvement initiatives.

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Mandatory Technical Skills

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F5 Technologies

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Strong hands-on experience across:

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F5 BIG-IP LTM (Local Traffic Manager)

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F5 DNS / GTM

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F5 Advanced WAF (ASM)

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SSL Offloading

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Traffic Management

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Application Delivery Networking (ADN)

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High Availability Configurations

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Health Monitoring

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Certificate Management

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DNS Services

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Application Performance Optimization

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Networking Technologies

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TCP/IP

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Routing & Switching

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BGP

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OSPF

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VLANs

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NAT

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DNS

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DHCP

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Application Networking

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Network Security Fundamentals

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Security Technologies

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Web Application Firewalls

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SSL/TLS

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Secure Application Delivery

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Network Security Architecture

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Access Control Technologies

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Preferred Skills

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Experience working within Telecommunications environments.

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Knowledge of Check Point, Fortinet, Palo Alto, or Cisco security platforms.

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Exposure to Cloud Networking (Azure and AWS).

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Experience with Infrastructure as Code and Automation.

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Knowledge of DevOps and CI/CD integration practices.

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Understanding of Zero Trust Architecture and Secure Access principles.

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Certifications (Preferred)

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One or more of the following:

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F5 Certified Administrator (F5-CA)

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F5 Certified Technical Specialist (F5-CTS)

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F5 Certified Solution Expert (F5-CSE)

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CCNP Enterprise

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CCNP Security

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CISSP

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Experience Requirements

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- Minimum 8 years of Network Security and Application Delivery experience.
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- At least 5 years of hands-on F5 engineering and implementation experience.
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- Proven experience delivering F5 deployment, migration, and transformation projects.
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- Strong stakeholder engagement and customer-facing communication skills.
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- Experience supporting business-critical production platforms and services.
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📌 Developer (New South Wales)
🏢 CareCone Group
📍 New South Wales