SUMMARY

• Around 8 years of professional experience in Network engineering with CCNP and PA - ACE Certifications and having worked in multiple client environments on various technologies that include switching, routing, Firewalls, Network security using Proxy servers, Application Delivery Controllers, Wireless and VOIP.
• Strong knowledge in Cisco Routing, Switching and Security with Cisco hardware/software (heavy Cisco shop) experience.
• Experience working on Cisco Catalyst Series3750, 3850, 4500, 6500, CAT 9K; Nexus 2K, 3K, 5K, 7K and 9K series switches.
• Experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models 9K, 7K, 5K, 2Kseries, Cisco router models 7200, 2600, ASR 1K, 9K series and Cisco catalyst 6500, 4500, 3750, 3850, 2900 series switches
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST. Implementation of HSRP, VRRP for Default Gateway Redundancy.
• Expertise in routing protocols that include OSPF, EIGRP, BGP and IS-IS. Worked on complex topologies for routing that includes ISP connections, WAN, Data Center Core and Edge routing.
• Experience with MPLS circuits configuration and troubleshooting. Experience and exposure to MP-BGP.
• In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 SONET POS OCX / GigE circuits.
• Experience with Wireless Network Engineering, WLAN controllers, Access Point policies and Profiles, Configuration of SSID, RF Parameters, Authentication roles, Integration with RADIUS servers, Anchor controllers, Instant AP, Meraki Platform, Worked on Cisco and Aruba Wireless LAN Controllers.
• Configuration, setup and management of Citrix NetScaler 9.x for advanced load balancing of applications and servers.
• Worked on F5 LTM, GTM, APM and ASM modules for application delivery and security. Worked on SSL VPN in F5 APM. Worked on Migration from ACE to F5, Netscalers to F5 in large environments with internal and external applications.

TECHNICAL SKILLS

• Nexus 7K, 5K, 2K & 1K, Cisco routers (7600,7200, ASR1k, 9K )& Cisco Catalyst switches (6500,4500, 3750, CAT 9K series)
• SRX, QFX EX Series
• Access-lists, Routing, Switching, Subnetting, Designing, CSU/DSUIPSec, VLAN, VPN, WEP, WAP, MPLS, VoIP, 802.11,802.1X
• ASA Firewall (5505/5510), Checkpoint, Cisco ASA, Palo Alto, SRX, Iron Port, Zscaler Proxies
• Solar Winds, SNMP, Cisco Works, Wireshark, Netbrain, WhatsupGold, Visio
• MPLS, leased lines & exposure to PPP, DS1, DS3, OC3, T1 /T3 & SONET, SD-WAN
• Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit
• Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q, 802.1X, VPC, VDC
• IKE, IPSEC, SSL-VPN
• RIP, OSPF, EIGRP, BGP, STP, RSTP, VLANs, VTP, PAGP, LACP, MPLS, HSRP, VRRP, GLBP, TACACS+, Radius, AAA
• C, C++, Python
• Windows 7/XP, MAC OS X, Windows Server 2008/2003, Linux
• Cisco Viptella and Versa

PROFESSIONAL EXPERIENCE

Confidential

Sr. Network Engineer

Responsibilities:

• Establishes networking environment by designing system configuration; directing system installation; defining, documenting, and enforcing system standards.
• Maximizes network performance by monitoring performance; troubleshooting network problems and outages; scheduling upgrades; collaborating with network architects on network optimization.
• Secures network system by establishing and enforcing policies; defining and monitoring access.
• Maintaining and administering computer networks and related computing environments including systems software, applications software, hardware, and configurations.
• Performing disaster recovery operations and data backups when required.
• Protecting data, software, and hardware by coordinating, planning and implementing network security measures.
• Troubleshooting, diagnosing and resolving hardware, software, and other network and system problems.
• Designing, configuring and testing networking software, computer hardware, and operating system software.
• Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series, CHECKPOINT AI, NGX, Nokia IP 740/530/340 Appliances on IPSO platform.
• Monitor and troubleshoot BGP, EIGRP, TI circuits, and cellular backup circuits via ICMP and SNMP ticketing systems.
• Design, install, configure, troubleshoot and maintain load balancers including Citrix Netscaler.

Environment: Cisco switches (2960x, 3750, 4500, 6500), Nexus 5K, 7k,9k, Cisco ASA5555-x firewall, cisco 819 routers, cisco ASR1000 series aggregation service routers.

Confidential

Sr. Client Network Engineer

Responsibilities:

• Experience providing support for clients on new equipment brought and professional service to clients and site for installations.
• Working with professional services on installation and design of vendor equipment in data center.
• Worked on protocol testing on cisco high end routers like Nexus 9K. Worked on protocols like EVPN, MP-BGP, BGP, OSPF, MST etc., on cisco devices using the Spirent simulation devices.
• Troubleshooting and configuration of multiple routing and switching protocols on Cisco Routers and Switches.
• Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, maintenance etc.).
• Involved in Switching Technology Administration including creating and managing VLANS’s, Port security, Trunking, STP, Inter VLAN routing, LAN security etc.
• Implemented with Cisco Layer 3 switches 3750, 4500, 6500 in multi VLAN environment with the use of inter-VLAN routing, HSRP, ISL trunk, ether channel.
• Worked on F5 GTM for global load balancing. Configured WideIP, listener IP, DNS Sec, Zones, prober pools on GTM.
• Worked on Citrix Netscalers for accelerating performance and ensuring that applications are always available and protected.
• Upgraded the Netscalers from 9.x version to 10.5 safe harbor build
• Monitored network traffic using tools like Solar Winds, Wireshark, NetScaler, Netflow.
• Installing and configuring new Cisco equipment catalyst including Cisco switches 6500, Nexus 93128TX, 9296PX, Nexus 7010, Nexus 5548 and Nexus 2k as per the requirement of the company.
• Setup simplified and traditional VPN communities, and Cisco Any connect.
• Cisco ACI is used to automate the network and to meet service level agreements (SLA).
• Support network security devices such as firewalls and proxies on remote access technologies such as VPN and Citrix Netscaler.
• Installing Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design.

Environment: Cisco switches (3550, 3750, 4500, 6500), Nexus 2K, 5548, 7010, 93128TX, 9296PX switches, Cisco ASA 5500 firewall, Juniper Netscreen firewall.

Confidential

Sr. Network Engineer

Responsibilities:

• Working in high availability Nexus Environment and provide Level 3 Network Support.
• Configuring, upgrading and verifying the NX-OS operation system.
• Converting PIX rules over to the Cisco ASA solution.
• Basic F5 load balancer and Cisco ACE configurations, general troubleshooting of the F5 load balancers.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Configured routers and coordinated with LD Carriers and LECs to turn-up new WAN circuits.
• Installation of Nexus 2K and 5K in FEX mode in Access Layer. Nexus 7K in distribution and Core layers using VDC and VPC.
• Experience with preparing quotes and budget discussions for new implementations relating the design.
• Working with professional services on installation and design of vendor equipment in data center.
• Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416,21418(with PRP and RPR processors).
• Working with BGP, snmp protocols in MPLS Cloud.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to- point site.
• Configuring HSRP between the 3845 router pairs of Gateway redundancy for the client desktops.
• Configured VXLAN transport parameters and prepared Host clusters for NSX. Assigned segment ID pool and Multicast Address range.

Environment: Cisco GSR 12416,21418, 3640, 2811, 3845 routers, Cisco 2950, 3550, 76097613, 6500 series switches, F5 Big-Ip Load Balancer, NX-OS, Nexus 93128TX, 9296PX, 7010 Switch.