Designation / Job title : Cyber Security Architect - 262117

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

Good to have skills :

- IPSec VPN design and implementation.
- Packet capture and analysis: tcpdump, Wireshark.
- Automation & Infrastructure-as-Code: Terraform, AS3, iRules.
- Authentication services: TACACS+, RADIUS.

Detailed Job description : -

We are seeking a highly skilled and experienced Cyber Security Architect with deep expertise in F5 technologies, enterprise network security, and application delivery. The ideal candidate brings 10+ 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: High-Level Designs (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.
- Lead stakeholder and vendor coordination, acting as the primary liaison between clients, vendors, and internal teams.
- Define skilled 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.

Required Skills & Experience Experience

- 10+ 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 nd analysis: tcpdump, Wireshark.
- Automation & Infrastructure-as-Code: Terraform, AS3, iRules.
- Authentication services: TACACS+, RADIUS.
- Virtualisation: VMware and related virtualisation technologies.

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📌 Cyber Security Architect - 262117 (Australia)
🏢 Tech Mahindra
📍 Australia