About

Network Security Professional with 3 years of overall experience, across Banking, Telecommunications, and Power sector environments. Specializing in enterprise network infrastructure, security operations, routing and switching, and hybrid cloud connectivity. Currently supporting enterprise network security at ICICI Bank, administering next-generation firewalls, SD-WAN infrastructure, data center switching, network access control, wireless connectivity & security policies within 24x7 ITIL-driven operations. Improved network provisioning efficiency by approximately 60% through Python-based Netmiko scripts and Ansible playbooks, automating repetitive network configuration, backup, compliance auditing, and branch deployment activities. Proven technical depth across Cisco Nexus 9000, Catalyst, Viptela SD-WAN, Palo Alto Networks, Fortinet, Zscaler ZIA/ZPA, Cisco ISE, F5 BIG-IP, BGP, OSPF, VXLAN/EVPN, AWS, Azure, and Infrastructure as Code using Terraform. Combining security, automation, and operational reliability with CCNP, AWS Certified Solutions Architect – Associate, and Zscaler Digital Transformation Administrator (ZDTA) certifications, supported by experience in PCI-DSS controls, incident resolution, root-cause analysis, and infrastructure change management.

Experience3

  1. Network Engineer

    Aug 2025 — Present

    ICICI Bank

    Administering Palo Alto PA-5410/PA-3410 firewalls via Panorama and Fortinet FortiGate firewalls through FortiManager managing security policies and VPNs. Supporting Cisco Viptela SD-WAN operations with vManage and Cisco Nexus 9000 data center switching including VXLAN/EVPN configurations. Maintaining Catalyst 9300/9500 switches and handling BGP, OSPF routing. Managing Cisco ISE for network access control and F5 BIG-IP load balancers for digital banking apps. Supporting Zscaler ZIA/ZPA for remote workforce, Cisco ASA VPN services, AWS and Azure hybrid cloud networking, and Infoblox DNS/DHCP/IPAM. Developing Python Netmiko scripts and Ansible playbooks to automate network tasks, monitoring infrastructure with SolarWinds/PRTG/Splunk, and managing ITIL incident and change processes.

  2. Network Engineer

    Jul 2024 — Jul 2025

    Airtel

    Administered FortiGate and Palo Alto firewalls managing security policies and compliance. Configured Cisco Catalyst switches and ISR routers supporting VLANs, trunking, and EtherChannel. Managed Cisco Meraki switches and wireless APs, resolved wireless and VPN connectivity issues, and monitored network performance with SolarWinds and PRTG. Supported Windows/Linux administration, managed incident tickets via ServiceNow, and configured Fortinet Secure SD-WAN performance SLAs.

  3. Network Analyst Intern

    May 2024 — Jul 2024

    NTPC Limited

    Assisted senior engineers with Cisco Catalyst and Meraki switch configurations and structured cabling. Monitored LAN/WAN infrastructure using SolarWinds and PRTG, performed basic network troubleshooting, helped prepare firewall change requests, developed basic Python and PowerShell scripts for inventory data cleaning, and supported VPN troubleshooting and maintenance documentation.

Projects3

  • Automation of Network Provisioning

    Developed Python-based Netmiko scripts and Ansible playbooks to automate repetitive network configuration, backups, compliance auditing, and branch deployment activities, improving efficiency by approximately 60%.

    • Python
    • Netmiko
    • Ansible
    • GitLab CI/CD
  • Migration of Banking Branches to Cisco Viptela SD-WAN

    Supported the migration of over 50 ICICI Bank branches from legacy MPLS to Cisco Viptela SD-WAN, validated configuration templates, IPsec overlays, and enabled direct internet access following cutovers.

    • Cisco Viptela SD-WAN
    • IPsec
    • vManage
  • Zscaler ZIA/ZPA Access Enablement

    Supported Zscaler ZIA/ZPA access for over 10,000 remote banking employees including application onboarding and resolving Client Connector issues to enable secure remote access.

    • Zscaler ZIA
    • Zscaler ZPA

Education1

  • Bachelor of Engineering

    Sathyabama Institute of Science and Technology

    Computer Science and Engineering (Artificial Intelligence)