Nov 2021 – Aug 2023 · 1 yr 9 mos · Gurugram, Haryana, India · On-site

• Client- An American multinational manufacturer and marketer of home appliances.
• Designed and deployed Routing & Switching protocols including OSPF, BGP, STP, HSRP, VPC, and VDC, deploying and configuring Nexus switches and Cisco routers to ensure scalability and high performance.
• Designed and deployed a global SD-WAN architecture for 100+ regional and branch locations, improving application performance and traffic visibility.
• Designed and deployed a Palo Alto Global Protect VPN solution, enabling secure remote access for employees and contractors, increasing productivity by 20% and reducing travel expenses by 15%.
• Configured, troubleshot, and maintained Palo Alto firewall policies, including Security and NAT rules, application filtering, region-based rules, URL/data filtering, file blocking, and user-based policies.
• Developed and enforced network security policies, achieving a 35% reduction in incidents, and a 20% improvement in compliance with industry regulations.
• Assessed F5 landscape to develop and implement a F5 infrastructure upgrade plan, resulting in a 30% improvement in load balancing performance and a 20% reduction in downtime.
• Administered F5 LTM for efficient load balancing and application delivery, optimizing Virtual Server, Pools, and iRules configurations, while utilizing Wireshark and Tcpdump for packet inspection.
• Licensed and provisioned F5 modules including LTM, GTM, ASM, APM, and VCMP, implementing high availability features for optimal performance, and utilizing Nexus technologies for network resilience.
• Managed a 20-person security architecture team, achieving a 30% increase in efficiency, faster secure project delivery, improved security posture, and enhanced responsiveness to emerging security threats through strategic leadership and innovation
• Collaborated with stakeholders to develop and implement a network infrastructure upgrade plan, resulting in a 40% improvement in network performance and a 25% reduction in downtime.

Oct 2016 – Oct 2021 · 5 yrs · Noida, Uttar Pradesh, India · On-site

• Technology- F5 LTM/GTM, Routing & Switching, OSPF, BGP, VLAN, HSRP, Firewall Palo Alto, Riverbed, Velo cloud SD-WAN, Nexus 9K, 7K, 5K and 2K Fex, Azure VNET, NSG, Express route, AGW, VNET Gateway
• Developed and maintained network performance baselines, identifying and resolving network bottlenecks that improved network performance by 25% and reduced downtime by 20%.
• Trained and mentored junior network engineers, resulting in a 50% improvement in their technical skills and a 20% increase in their productivity.
• Design, implement, and maintain network infrastructure, including routers, switches, F5 Load balancer, Palo Alto Firewall, Express route, NSG, Vnet peering, Vnet and gateway.
• Troubleshot and resolved complex network issues, resulting in a 50% reduction in support tickets and a 20% improvement in customer satisfaction scores.
• Monitored and maintained network infrastructure, such as routers, switches, and firewalls, resulting in a 99.9% uptime for critical systems.
• Developed comprehensive system design specifications and configurations for F5 and Palo Alto Firewall deployments, ensuring adherence to project requirements and objectives.
• Collaborating with Application owners, Network Team, DNS Team, and Firewall Team, to migrate applications from NetScaler to F5 BIG-IP LTM.
• Responsible for configuring Listener, Wide-IP, Pool, High availability, Topology load balancing on F5 GTM among Data Canters for DNS Traffic.
• Responsible for preparing F5/Router/switches and Palo alto BOM/ROM, System Design Specification based on High level and low-level Design documentation.
• Handled WAN circuits and protocols, optimizing OSPF and BGP configurations for seamless Network Infrastructure operation
• Demonstrated expertise in deploying and upgrading Cisco Nexus switches (9k, 7k, 5k, 2k), ensuring high-performance Network Infrastructure

Aug 2014 – Sep 2016 · 2 yrs 1 mo · Delhi, India · On-site

• Technology- OSPF, MP-BGP, MPLS, IPv6, Traffic Engineering and Quality of Service, ASR 9K, 1K, F5 LTM, Juniper mx80, m10i
• Tools- CA Spectrum, Wireshark, tcpdump, fiddler
• Instigated cutting-edge Network Solutions integrating technologies such as OSPF, MP-BGP, MPLS, IPv6, and Quality of Service.
• Investigated and addressed Network & Security concerns promptly using tools like CA Spectrum and fiddler, ensuring the integrity of the network and maintaining optimal service delivery across diverse environments
• Monitored Core Data/IP dashboards meticulously, optimizing traffic engineering and QoS parameters to enhance Network Infrastructure performance and ensure seamless operations
• Managed route announcements and BGP prefixes strategically, optimizing traffic flow and connectivity while adhering to best practices in Network Solutions
• Swiftly resolved customer issues related to internet, intranet, websites, and servers, upholding stringent Network Security measures and utilizing tools like Wireshark for real-time diagnostics
• Responded proactively to alarms in NMS, mitigating risks and fortifying Network Infrastructure resilience, ensuring minimal disruptions to operations
• Provided dynamic load sharing and traffic diversion on redundant links, optimizing network reliability and performance to meet evolving Network Solutions demands
• Constituted and maintained F5 LTM Load Balancers proficiently, ensuring seamless application delivery and load distribution across the network infrastructure
• Demonstrated expertise in managing Juniper MX and M series routers like Juniper mx80 and m10i, fine-tuning network performance and stability with precision
• Conducted regular IOS upgrades on Cisco routers, switches, and wireless controllers, utilizing advanced technologies like ASR 9K and 1K series to optimize performance and reinforce Network Security measures

Sep 2013 – Aug 2014 · 11 mos · Delhi, India · Hybrid

• Roles and Responsibilities:
• Undertaking routine preventative measures and implementing, maintaining, and monitoring network and security.
• Supervising other staff, such as help-desk technicians, working closely with other departments/organisations and collaborating with other IT staff.
• Complete accountability and responsibility to provide Level 1 technical expertise for resolution of outages, service level issues, and user/customer support needs in coordination with other support teams.
• Drives continuous improvement of design and delivery standards. And ensures that all processes and procedures are fully documented, kept up to date and properly socialized.
• Manage deployment and testing of code updates for wireless systems, such as WLC and Access Point.
• HA solution using Cisco 5520 wireless LAN controllers and associate the cisco WAP 2600, 2700.
• Installed 2602 and 2702 wireless access points in over a hundred warehouse locations using Cisco 5508 WLC
• Perform IOS upgrades on Cisco routers and switches.
• Performed installations and replacement of Cisco Routers, switches, and hardware cards.
• Troubleshoot, configure, and manage Cisco routers and LAN -Switches, Layer 2 and Layer 3 Implemented.

Jun 2011 – Sep 2013 · 2 yrs 3 mos · Greater Noida · On-site

• Roles and Responsibilities:
• Routing and Switching Protocols configuration and troubleshooting of OSPF, Static Routing, VTP, VLAN, HSRP.
• Implement layer 2 and 3 Security- BPDU Filter, ACL, Root Guard, and BPDU Guard.
• Coordinate with different teams and vendors on requirement basis for the resolution of the network issues.
• Planning and designing of new possibilities for improvement of network.
• Facilities Management Provide scheduled and on-demand traffic analysis reports.
• Monitor key suppliers service levels and highlight where Service Level Agreements (SLAs) are not being met.

Mar 2010 – May 2011 · 1 yr 2 mos · Noida, Uttar Pradesh, India · On-site

• Roles and Responsibilities:
• Receive and record technical and application support calls from end users.
• Provide investigation, diagnosis, resolution and recovery for hardware/software problems. When unable to resolve, escalate to second or third level in accordance with Help Desk escalation processes.
• Maintain ownership of user’s issue & service ensuring that they receive resolution within a reasonable timeframe.
• Record incident resolutions in the Help Desk tool.

Jul 2007 – Nov 2009 · 2 yrs 4 mos · Ghaziabad, Uttar Pradesh, India · On-site

• Roles and Responsibilities:
• Installed and configured workstations for IP/based LAN’s.
• Installing and monitoring Red hat Linux Server in LAN.
• Install and Implement Trend Anti-Virus Server throughout the company.
• Configured TCP/IP setting on multiple computers to participate on the network.
• Troubleshoot, Monitor, configure, install and upgrade Cisco routers and switches.