Act as the primary F5 SME supporting the customer's F5 infrastructure setting.Design, implement, configure, and maintain F5 application delivery and security services.Manage platform lifecycle activities including upgrades, patches, migrations, and technology refresh initiatives.Ensure platform stability, availability, scalability, and performance.Perform capacity planning and platform optimization activities.Support high-availability and disaster recovery configurations.Operational SupportProvide Level 3 technical support for complex F5-related incidents and service requests.Troubleshoot and resolve critical application delivery and load-balancing issues.Conduct root cause analysis and implement permanent corrective measures.Participate in major incident response and service restoration activities.Maintain operational runbooks and support documentation.Design Reviews & Technical GovernanceParticipate in solution design workshops and architecture review sessions.Validate technical designs against operational, security, and architectural standards.Review network, security, and application requirements for new service deployments.Provide technical recommendations and best-practice guidance to project and engineering teams.Support risk assessments and implementation planning activities.Implementation & Project DeliveryLead F5 implementation activities across multiple projects and initiatives.Execute configuration changes, migrations, and platform deployment activities.Develop implementation plans, rollback procedures, and testing approaches.Support application onboarding and production release activities.Participate in maintenance windows and scheduled change activities.Security & ComplianceEnsure security controls are implemented in accordance with organizational standards.Support application security capabilities through F5 Advanced WAF / ASM.Implement traffic inspection, SSL services,



and secure application delivery controls.Support audit, compliance, and vulnerability remediation activities.Documentation & Process ImprovementCreate and maintain design documentation, operational procedures, and technical standards.Develop implementation guides and support playbooks.Identify opportunities for platform automation and operational improvement.Contribute to continuous service improvement initiatives.Mandatory Technical SkillsF5 TechnologiesStrong hands-on experience across:F5 BIG-IP LTM (Local Traffic Manager)F5 DNS / GTMF5 Advanced WAF (ASM)SSL OffloadingTraffic ManagementApplication Delivery Networking (ADN)High Availability ConfigurationsHealth MonitoringCertificate ManagementDNS ServicesApplication Performance OptimizationNetworking TechnologiesTCP/IPRouting & SwitchingBGPOSPFVLANsNATDNSDHCPApplication NetworkingNetwork Security FundamentalsSecurity TechnologiesWeb Application FirewallsSSL/TLSSecure Application DeliveryNetwork Security ArchitectureAccess Control TechnologiesPreferred SkillsExperience working within Telecommunications environments.Knowledge of Check Point, Fortinet, Palo Alto, or Cisco security platforms.Exposure to Cloud Networking (Azure and AWS).
Experience with Infrastructure as Code and Automation.Knowledge of DevOps and CI/CD integration practices.Understanding of Zero Trust Architecture and Secure Access principles.Certifications (Preferred)One or more of the following:F5 Certified Administrator (F5-CA)F5 Certified Technical Specialist (F5-CTS)F5 Certified Solution Expert (F5-CSE)CCNP EnterpriseCCNP SecurityCISSPExperience RequirementsMinimum 8 years of Network Security and Application Delivery experience.At least 5 years of hands-on F5 engineering and implementation experience.Proven experience delivering F5 deployment, migration, and transformation projects.Strong stakeholder engagement and customer-facing communication skills.Experience supporting business-critical production platforms and services.
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📌 Developer (Sydney)
🏢 CareCone Group
📍 Sydney