About Us

At Tech Mahindra , we create connected experiences by bringing together technology, innovation, and people. As part of the Mahindra Group, we help global businesses reimagine and transform their operations through digital solutions and customer-centric technology.

With 150,000+ professionals serving 1,000+ global customers across 90 countries , we are committed to driving meaningful digital change and enabling enterprises, associates, and communities to Rise.

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.

Valuable to have skills Monitoring & observability: SNMP, Syslog, Grafana, Prometheus

Virtualization: VMware and related virtualisation technologies.

Cloud platforms: AWS, Microsoft Azure

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.

Tech Mahindra is an Equal Opportunity Employer committed to diversity, inclusion, and merit-based hiring. Reasonable accommodations are available throughout the recruitment process.

📌 Consultant (Sydney)
🏢 Tech Mahindra
📍 Sydney