Jan 2023 – Present · 3 yrs 5 mos · Bengaluru, Karnataka, India · Hybrid

• Delivered exceptional customer experience for Cisco switching and routing products at JP Morgan Bank.
• Resolved moderate-to-high complexity technical issues via telephone, email, and remote sessions.
• Collaborated with clients to provide comprehensive support for Nexus and Cisco Catalyst switches.
• Analyzed packet captures using Wireshark for root cause analysis, enhancing network reliability.

Sep 2022 – Dec 2022 · 3 mos · Gurugram, Haryana, India

• Managed and supported a 24/7 network infrastructure for clients, ensuring optimal performance and uptime.
• Conducted in-depth troubleshooting to resolve production-related issues, enhancing network reliability.
• Regularly identified and mitigated vulnerabilities on network devices, improving overall security posture.
• Analyzed packet captures using Wireshark, providing root cause analysis and actionable insights.

Feb 2016 – Aug 2022 · 6 yrs 6 mos · Gurugram, Haryana, India

• Led and coordinated enterprise network operations, ensuring seamless deployments and optimal performance.
• Managed a 10-member team, overseeing daily tasks and implementing strategies to enhance network efficiency and security.
• Installed, upgraded, and supported LAN/WAN segments, Internet, and intranet infrastructure.
• Maintained network performance through analysis, troubleshooting, and escalation of complex issues.
• Designed High-Level (HLD) and Low-Level Designs (LLD) for network projects.
• Analyzed packet captures (Wireshark, TCP dumps) for traffic flow assessment and RCA reporting.
• Troubleshot and resolved data, wireless, and connectivity issues, collaborating with end users.
• Configured and deployed ASA firewalls, switches, routers, and wireless controllers.
• Performed quarterly IOS/code upgrades across Cisco Catalyst (2900–9400), Nexus (3K/5K/9K), ISR (4300/4400), WLC (2500/5500), and ASA 5545 devices.
• Managed configuration changes on network devices, wireless controllers, and F5 GTM/LTM load balancers.
• Upgraded F5 code versions to address vulnerabilities and implemented new configurations.
• Managed IP address blocks via Infoblox.
• Monitored and optimized network performance with SolarWinds and Cisco Prime.
• Led weekly change reviews, documented SLAs, RCAs, and critical problem tickets.
• Provided on-call client support and ensured timely resolution of high-priority incidents.

Apr 2013 – Jan 2016 · 2 yrs 9 mos · Noida, Uttar Pradesh, India

• Configured and managed network devices, including Cisco switches, routers, and wireless controllers.
• Monitored WAN interfaces and coordinated with vendors to resolve link outages.
• Implemented configuration changes on network devices as per business requirements.
• Performed health checks of network devices using SolarWinds and other monitoring tools.
• Collaborated with users to troubleshoot and resolve network-related issues.
• Managed IP addressing and subnet allocation through Infoblox.
• Enforced security policies and monitored network usage and access.
• Deployed and configured Cisco Catalyst switches and routers.
• Troubleshot and planned remediation for network incidents.