F5 Security/Network Security Architect with deep expertise in F5 technologies, enterprise network security, and application delivery. The ideal candidate brings 7+ years of hands on experience designing, implementing, and managing complex network and security infrastructures, ideally within ISP, enterprise, or professional services environments across the APAC region.
Key Skills & Technical Expertise
- F5 BIG-IP platforms: iSeries, rSeries, Velos, Viprion (hardware & virtualised).
- F5 Modules: LTM, DNS/GTM, ASM (AWAF), SSLO, CGNAT, AFM (DDoS), PEM, BIG-IQ CM.
- Enterprise routing and switching: OSPF, BGP, STP, VLAN, LACP.
- IPSec VPN design and implementation.
- Packet capture and analysis: tcpdump, Wireshark.
- Automation & Infrastructure as Code: Terraform, AS3, iRules.
- Authentication services: TACACS+, RADIUS.
- Monitoring & observability: SNMP, Syslog, Grafana, Prometheus.
- Virtualisation: VMware and related technologies.
- Cloud platforms: AWS and Microsoft Azure.
Key Responsibilities
- Lead end-to-end design, implementation and delivery of F5-based network and security solutions.
- Architect DNS solutions, including caching resolvers, validating resolvers and authoritative DNS servers.
- Design DNS and application security controls to protect against DDoS attacks, WAF threats and DNS-based exploits.
- Prepare and maintain HLD, LLD, security design documents, operational runbooks and SOPs.
- Collaborate with network, infrastructure, platform and security teams.
- Drive high availability and failover architecture to ensure zero-downtime resilience.
- Provide troubleshooting, optimization and post-implementation support.
- Define professional services scoping requirements and engage directly with customers.
- Champion automation using Terraform, AS3/iRules and related tools.
- Implement security hardening, RBAC, secure logging and compliance controls across F5 platforms.
Experience Requirements
- 7+ years in network infrastructure, security architecture or application delivery.
- Proven experience delivering F5 professional services to enterprise and/or ISP clients.
- Experience with large-scale migrations, including DNS migrations, CGNAT deployments and WAF rollouts.
- APAC regional project implementation experience is highly desirable.
We specialize in Digital, ERP, and larger IT Services. We offer flexible, efficient and collaborative solutions to any organization that requires IT, experts. Our agile, agnostic, and flexible solutions will help you source the IT Expertise you need.
Zone IT Solutions is an equal opportunity employer and our recruitment process focuses on essential skills and abilities. We encourage applications from a diverse array of backgrounds, including individuals of various ethnicities, cultures, and linguistic backgrounds, as well as those with disabilities.
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F5 Security/Network Security Architect in Sydney employer: Zone IT Solutions Pty Ltd
Join a dynamic team in Melbourne where your expertise as an SAP EWM Consultant will be valued and nurtured. We pride ourselves on fostering a collaborative work culture that encourages continuous learning and professional growth, offering comprehensive training and development opportunities. With a focus on innovation and efficiency in supply chain operations, you'll play a crucial role in enhancing our warehouse processes while enjoying the benefits of a supportive environment and a commitment to employee well-being.
