Job Description
Job Type: Permanent position | Full time position
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Job Description
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Designation / Job title : Cyber Security Architect - ******Primary or Mandatory skills :- F5 BIG-IP platforms: i
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Series, r
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Series, Velos, Viprion (hardware & virtualised).
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F5 Modules: LTM, DNS/GTM, ASM (AWAF), SSLO, CGNAT, AFM (DDoS), PEM, BIG-IQ CM.
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Enterprise routing and switching: OSPF, BGP, STP, VLAN, LACP
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Valuable to have skills :
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IPSec VPN design and implementation.
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Packet capture and analysis: tcpdump, Wireshark.
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Automation & Infrastructure-as-Code: Terraform, AS3, i
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Rules.
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Authentication services: TACACS+, RADIUS.
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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.
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Key Responsibilities
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Lead end-to-end design, implementation, and delivery of F5-based network and security solutions (LTM, DNS/GTM, ASM/AWAF, SSLO, CGNAT, AFM, PEM).
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Architect and implement DNS solutions including caching resolvers, validating resolvers, and authoritative DNS servers with a focus on performance, scalability, and fault tolerance.
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Design and enforce DNS and application security controls to protect against DDoS attacks, WAF threats, and DNS-based exploits.
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Produce and maintain comprehensive technical documentation: High-Level Designs (HLD), Low-Level Designs (LLD), security design documents, operational runbooks, and SOPs.
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Collaborate with network, infrastructure, platform,



and security teams to deliver cohesive and resilient solutions.
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Drive high availability and failover architecture design, ensuring zero-downtime resilience.
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Provide expert troubleshooting, optimization, and post-implementation support across enterprise and ISP environments.
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Lead stakeholder and vendor coordination, acting as the primary liaison between clients, vendors, and internal teams.
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Define professional services scoping requirements and engage directly with customers to understand and address their technical needs.
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Champion automation practices using Terraform, AS3/i
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Rules, and related tooling.
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Implement security hardening, RBAC, secure logging, and compliance controls across F5 platforms.
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Required Skills & Experience Experience
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10+ years in network infrastructure, security architecture, or application delivery roles.
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Proven track record delivering F5 professional services to enterprise and/or ISP clients.
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Demonstrated experience with large-scale migrations (e.g., DNS migrations, CGNAT deployments, WAF rollouts).
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Regional project implementation experience across APAC is highly desirable.
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Technical Expertise required for this role:
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F5 BIG-IP platforms: i
n
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Series, r
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Series, Velos, Viprion (hardware & virtualised).
n
n
F5 Modules: LTM, DNS/GTM, ASM (AWAF), SSLO, CGNAT, AFM (DDoS), PEM, BIG-IQ CM.
n
Enterprise routing and switching: OSPF, BGP, STP, VLAN, LACP.
n
IPSec VPN design and implementation.
n
Packet capture nd analysis: tcpdump, Wireshark.
n
Automation & Infrastructure-as-Code: Terraform, AS3, i
n
n
Rules.
n
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Authentication services: TACACS+, RADIUS.
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Monitoring & observability: SNMP, Syslog, Grafana, Prometheus.
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Virtualisation: VMware and related virtualisation technologies.
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Cloud platforms: AWS, Microsoft Azure.
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#J-*****-Ljbffr

📌 Cyber Security Architect - 262117 (New South Wales)
🏢 Tech Mahindra
📍 New South Wales