F5 Consultant

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.

Good to have skills

Monitoring & observability: SNMP, Syslog, Grafana, Prometheus

Virtualization: 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.

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