Technical Architect | F5

Job Description

• Skill Set :

  Cyber Security

• Total Experience :

  15.00 to 20.00 Years

• No of Openings :

  1

• Job Post Date :

  14/10/2026

• Job Expiry Date :

  21/11/2026

• Domain :

  IT

• Location :

  SYDNEY [Australia]

• Job Reference No :

  4112904

Job Summary

JOB POSTING DETAILS:

Job title:

Cyber Security Architect

Primary or Mandatory skills

• 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

• Packet capture and analysis: tcpdump, Wireshark.
• Automation & Infrastructure as Code: Terraform, AS3, iRules.
• Authentication services: TACACS+, RADIUS.

Good to have skills

Monitoring & observability: SNMP, Syslog, Grafana, Prometheus

Virtualisation: VMware and related virtualisation technologies.

Cloud platforms: AWS, Microsoft Azure

Job description

Cyber 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 Responsibilities

• Lead end to end design, implementation, and delivery of F5 based network and security solutions (LTM, DNS/GTM, ASM/AWAF, SSLO, CGNAT, AFM, PEM).
• Architect and implement DNS solutions including caching resolvers, validating resolvers, and authoritative DNS servers with a focus on performance, scalability, and fault tolerance.
• Design and enforce DNS and application security controls to protect against DDoS attacks, WAF threats, and DNS based exploits.
• Produce and maintain comprehensive technical documentation: HLD, Low Level Designs (LLD), security design documents, operational runbooks, and SOPs.
• Collaborate with network, infrastructure, platform, and security teams to deliver cohesive and resilient solutions.
• Drive high availability and failover architecture design, ensuring zero downtime resilience.
• Provide expert troubleshooting, optimization, and post implementation support across enterprise and ISP environments.
• Define professional services scoping requirements and engage directly with customers to understand and address their technical needs.
• Champion automation practices using Terraform, AS3/iRules, and related tooling.
• Implement security hardening, RBAC, secure logging, and compliance controls across F5 platforms.

Experience

• 7+ years in network infrastructure, security architecture, or application delivery roles.
• Proven track record delivering F5 professional services to enterprise and/or ISP clients.
• Demonstrated experience with large scale migrations (e.g., DNS migrations, CGNAT deployments, WAF rollouts).
• Regional project implementation experience across APAC is highly desirable.

Technical Expertise required for this role:

• 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.
• Monitoring & observability: SNMP, Syslog, Grafana, Prometheus.
• Virtualisation: VMware and related virtualisation technologies.
• Cloud platforms: AWS, Microsoft Azure.

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