SUMMARY

• Accomplished Network, Loadbalancing and Security Engineering Professional experience in designing, deploying, migrating, operations and supporting critical multi - site redundant network environments
• Extensive hands-on experience with complex routed LAN and WAN networks, Routers, Switches, Load Balancers and Firewalls
• Extensive noledge of deploying & troubleshooting L2/L3 TCP/IP
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST
• Expert Level Knowledge about TCP/IP, UDP, ICMP and OSI models
• In-depth noledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts
• Strong hands on experience in configuring, troubleshooting and installation of Cisco 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches, Nexus 7K, 5K 6K, 3K (3048’s and 3064’s), 2K (2232, 2248’s)
• Knowledge and experience with Cisco product line, including routers, switches (Catalyst and NEXUS), firewalls (Palo Alto, ASA and F5) and Juniper (SRX/MX 80, 240 and 960) platforms
• Manage and support F5 BigIP LTM’s and GTM’s in pre-production and production environments
• Knowledge on automation and scripting using Python and Perl coding languages which involves C, C++ and TCL
• Proficient hands on experience in configuration & troubleshooting of routing protocols and deployment of OSPF, EIGRP, BGP and Policy routing on Cisco Routers
• Exposure to Juniper SRX Firewall and F5 BIG IPLTM (Versions 10.x, 11.x and 12.x) Load Balancers
• Exceptional skills in IPV4 Subnetting
• Knowledge working on Linux and Unix based Operating Systems
• Expert noledge of cable connectors and replacement as RJ-11, RJ-45, V.35, RS-449
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP
• Expert level noledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP ability to interpret and resolve complex route table problems
• Experience in physical cabling, IP addressing and Subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies
• Technical understanding of wireless standards and experience in data packet capture and analysis
• Experience in Network Analysis, Optimizations, Enhancements and Implementations
• Expert noledge with configuring routers and switches from ground and from scratch to deployment
• Experience in evaluating and testing network systems to eliminate problems and make improvements
• Knowledge and experience with compute virtualization technologies
• Excellent customer management/resolution, problem solving and debugging skills with good verbal, written, communications and presentation skills

TECHNICAL SKILLS

LAN Technologies: 802.1d, VLAN, VTP, VPC, Inter-VLAN routing, STP, RSTP, PVST and various 802.x protocols

Switching concepts: VLAN, STP, RSTP, VTP, Ether Channel, Port Fast, IP Access control Lists, QSFP

Uplink Fast and Backbone Fast: Network Hardware

Cisco and other vendor equipment: Cisco routers (2600, 2800, 1800 series), & (4900, 3750, 3500, 2900, series), Cisco Nexus 6000 3000 series; ASR9k, Load Balancers F5 BIGIP 8900 and 8950, Quanta LB4M’s, Net Scalars, Junipers- JUNOS- MX 80, 240, 960 and SRX Firewalls, Arista 7280R, A10 Thunder ADC.

Protocols: TCP, IP, ICMP, IGMP, OSPF, EIGRP, BGP, HSRP, GLBP, VRRP, SNMP, MLSP, MPLS, VPN, CDP, VLAN, 802.1x, NAT, PAT, QoS, Spanning Tree, Ether channel, PaGP, LACP

Infrastructure Services: DHCP, DNS, SMTP, FTP, TFTP, SCP

Documentation: MS office, MS Visio, MS Visual Studio

Network Monitoring Tools: Net screen Manager(NSM) Wire Shark, Cisco works, View Point, Netflow Foglite, Cricket.Net, CoreTools

PROFESSIONAL EXPERIENCE

Confidential, Redmond WA

Senior Network Engineer

Responsibilities:

• Managing configurations and hardware deployments in datacenters throughout teh world
• Developing processes to make teh team more effective and efficient
• Taking ownership of any network break fix incident, which can be reported by Monitoring Tools, Site Managers, or Business Partners
• Network investigations are performed with troubleshooting in Firewalls (FWSM), LTM-F5 BigIP, and multiple 6500/6550 (L3/L2) Switches, cisco 3k, 5k, 7k(L3/L2) switches, Juniper mx960, mx240 routers
• Documenting teh Tickets with teh observations / troubleshooting outputs and updating teh customers / necessary teams in a transparent and simple way
• Monitoring teh Datacenter availabilities with teh help of keynote and perform network investigations when seeing hits for Datacenters
• Preparing Method of Procedure (MOP) which details how to divert teh active traffic without causing any user impact, and performing scheduled activities like router, switch, module replacements
• Troubleshooting issues with product vendors like Cisco, Juniper and F5 to isolate any hardware issues and initiate RMA if necessary
• Performing root cause analysis for user impacted network outages and present it to user with possible suggestions to avoid same kind of situations in future
• Make sure all teh tickets are handled by teh right engineers depends up on teh level of expertise and taking care critical tickets individually
• Taking ownership of any priority network break fix incident, which can be reported by Monitoring Tools (MOM), Site Managers, Business Partners in judging teh severity level of teh incident depends on teh impact
• Each severity level TEMPhas different SLA for GNS and resolving teh issue with in teh SLA. Taking ownership of BGP/OSPF issues, Persistent route issues, VLAN issues, DHCP issues, Network performance issues, and Telco Issues

Confidential, Bellevue, WA

Technical Project Manager

Responsibilities:

• Teh Project is about migrating teh applications from current F5’s to A10 load balancers by moving services with minimum disruption
• Worked and updated Method of Procedure documents (MOPs), configuration conversions, moving teh VIP’s, pools, iRules and servers on Layer 2 to Layer3 from F5’s to A10 environment
• Worked on creating teh rules, objects in Checkpoint firewalls to allow teh traffic flow to teh new Layer3 VIPs such dat teh traffic can flow through teh A10
• Scheduled teh change window by getting teh approvals, engaging testing team and drive through teh Night of teh Deployment
• Worked on updating teh F5-GTM Wide IP’s and DNS change records to direct teh application traffic to A10 from F5 Load Balancers
• Met with application owners, in-person whenever possible to schedule teh VIP migrations form f5 to A10 Load Balancer
• Worked on routing protocols like EIGRP and BGP and performed layer 3 troubleshooting
• Worked on Layer 4-7 troubleshooting by running and analyzing teh Packet Capture records
• Worked on Inflobox to update teh DNS host and A records to assist teh part of teh migration
• Worked on staging teh A10 configuration on teh architecture standards from teh scratch
• Scheduled application migration and all required dependent tasks
• Documented application owner’s needs and guided them about teh project to migrate into a new setup
• Worked on Infoblox to update teh DNS A-name, C-name and alias records
• Confirmed correctness of MOP with application owner and engineering team
• Provided Load-balancing solution for Applications based on request. Configured Service-Groups, persistence, Health-checks, SSL certs, Load balancing methods on A10 LTM and provide geo redundant solution with F5 GTM config
• Worked on Checkpoint Firewall requests to Add/Modify rules on based on Project Requirement for traffic flow
• Worked on a decommission project to remove database servers and services out of data center and remove teh server connectivity with switches

Confidential, Redmond, WA

Network Engineer

Responsibilities:

• Worked in Global Network Systems(GNS) under Operations Sustainment team which involved maintenance activities dat includes code upgrades, remediation of Known Issues, Reduce HW and SW variability, perform partial automation procedures for various network devices which includes Cisco 7609, Juniper SRX Firewalls, Juniper MX80, MX240, Cisco 6509, Quanta LB4M, Cisco 4948, F5 - BIGIP 8900, Arista, Cisco Nexus 7010, 5010 and 3010
• Worked in Identification, Automation using Perl and Python scripts and Improvement of Operations Processes
• Configuring ASA and PIX Firewall to allow site to site VPN access and configuring authentication, encryption, compression, ACL to ensure better security AAA, PAP and CHAP implementation using Cisco Secure ACS (TACACS+, RADIUS)
• Configured and maintained EIGRP, OSPF and BGP on Cisco Routers
• Configured Policies on Juniper Netscreen and SRX firewalls to provide connectivity to Customers
• Design and deployed F5 LTM load balancer infrastructure per business needs from teh ground up approach
• Mitigated and eliminated teh potential risk, defects, trends and vulnerabilities from rapid scale of teh environment and ensured network agility without compromising quality
• Worked on upgrading teh Top of Rack (TOR’s) switches Quanta - LB4M’s and Cisco 4948’s to eliminate Bugs caused due to UI hung behavior, also updated Passwords and TACACS
• Worked on remediation of software bugs and introduced feature enhancements through code upgrades
• Worked on Standardizing nonstandard configurations and reduced hardware and software variability
• Worked on investigation of Known Issues (KI’s) on analyzing teh problem and troubleshooting guidelines to solve teh KI’s
• Assisted in break/fix network incidents and make necessary configuration changes like creating multiple logical switches by creating VDC’s on Nexus 5K and 7K environments
• Migrated legacy F5 LTM and GTM appliance to newer version appliances
• Configured F5 GTM solutions, which includes WideIP, Pool Load Balancing Methods, probers and monitors
• Experienced with packet capture analysis (Wireshark, tcpdump) software for troubleshooting
• Configured F5 BigIP to provide Load Balancing for server farm
• Design and Deployed F5 LTM load balancer infrastructure per business needs
• Worked on Nexus 3k (3064’s, 3048’s), 5k and 7k devices and Juniper SRX Firewalls
• Was involved in teh maintenance of Charter Advanced Engineering firewall infrastructure consisting of firewall appliances and IPsec VPN's
• Configured port channels/ether channels between nexus devices for fiber connectivity
• Performed Root Cause Analysis for incidents related to maintenance activities and escalated to Network Escalations if their are any hardware failure which follows teh further investigation and then opening a case with teh device vendor
• Worked on identification and documentation of configuration issues under GNS Operations

Confidential, Minneapolis, MN

Network Engineer

Responsibilities:

• Configured and integrated new and existing network devices based upon client requirements
• Designed and implemented network solutions per client requirements using MS Visio
• Configured routing protocols like EIGRP, OSPF & BGP and troubleshooting layer3 issues
• Configured port channels/ether channels between Arista and Nexus devices for fiber as well as copper connectivity
• Configured VDC’s on nexus 7K for creating multiple logical switches and HSRP and VLAN trunking 802.1Q, VLAN Routing on Catalyst 6500 switches
• Performed Proxy testing which serves Layer-7/ HTTP traffic and other Proxy features like Header Enrichment, TFD, LTMI and Video Optimization
• Manage a variety of other security appliances (Bluecoat proxy servers, IDS/IPS appliances, NAC Appliances, network taps, etc.
• Planning and designing to incorporate McAfee's IDS/IPS devices into Lowes network at optimized network locations
• Manage a variety of other security appliances (Bluecoat proxy servers, IDS/IPS appliances, NAC Appliances, network taps, etc.
• Configured site to site VPN technologies using IPSEC
• Establish new and tear down old IPSEC and DMVPN connection to 3rd party sites
• Conducted Pre-site surveys by preparing a checklist obtaining WAN, LAN ports quantity and type, VLAN information, physical connectivity network diagrams, IP ranges, NAT policies, QOS policies, network equipment inventory lists, network cabling plan for every single network equipment and reviewed Network trouble tickets for every site
• Conducted Site Surveys, Hands-on experience with Cisco L2/L3 equipment, L2/L3 engineering, Performed Physical and Logical IMAC, Network Troubleshooting, and Operationalization functions for project-related activities
• Configured port-channels/ether-channels between ASR and 6500 series switches and virtual port-channels (VPC) between nexus devices for high availability and redundancy
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC
• Created and maintained Network diagrams, Network equipment device configuration, CPU memory utilization, Half Duplex ports, Port Information and Network equipment pictures by uploading in SharePoint database which TEMPhas access to all teh Network Architects
• Assisted architects with design solutions and review and validate designs of network systems
• Worked on Remedy and Mercury tools for ticketing system and authentication
• Assisted with basic technical issues, installing and configuring software
• On boarded several devices into teh production by copying teh configuration and making necessary changes per teh Network Architect and Sr. Network Engineer
• Worked closely with Network Architects to resolve teh issues related to certain client sites, office, locations based on Network bandwidth, equipment, cabling, QOS Trunking etc.
• Monitored performance of network and servers to identify potential problems and bottlenecks
• Worked on tools like Quest FogLight NMS for Bandwidth Utilization & Percentage Reports, Remedy User used for Ticketing and Authentication, Wireshark for IDS and network traffic analysis
• Assisted with basic technical issues, installing and configuring software on Lab Computers
• Assisted in Cabling IDF and MDF
• Worked on setting up teh lab environment for teh Under-grad students for their practice purposes
• Worked on several research articles by summarizing and presenting them on a weekly basis to teh professor
• Worked on Creating and Maintaining Network Documents, updating them on a timely basis
• Worked on Cisco Routers, switches, Wireless Controllers and access points
• Placed orders to teh suppliers considering teh lead time to evade backorders

Confidential

Network Administrator

Responsibilities:

• Designed and Implemented DMZ for FTP, Web and Mail Servers with CISCO PIX 506, PIX515
• Configured NAT and PAT on teh Cisco PIX, ASA and Palo Alto Firewalls for teh Internal Systems
• Placed access control list (ACL) on inside and outside interfaces on teh ASA, PIX and Palo Alto Firewalls
• Member of Network testing team also worked with QOS
• Worked on all Windows based support including file and print servers, accounting systems, end user systems, software development systems, and all other Windows systems
• Responsible for helping integrate teh Windows server and desktop environments with teh Unix server and desktop environments
• LAN/WAN Diagnostic & Configuration: In this process me have handled tickets generated for troubleshooting of customer's Network issues like Routing Issues, Backup Issues, and BGP issues
• Change Management & Configuration: Involved in changing teh configurations of Customer's Routers as per Customer’s request (E.g. Adding/Advertising routes, Change in Configurations, Configuring DHCP, Changing routes to ISP)
• Managed customer Cisco access points for wireless access into LAN networks
• Contributed to teh design, testing, and roll out of new company system developed in house to replace failing 3rd party hardware solution
• Contributed to teh design, testing, and roll out of workstations
• Worked on escalation procedures and customer notifications
• Designed service for upgrade/configure ALU’s IP/MPLS products e.g. 7705 SAS, 7210
• Configured Cisco Routers for OSPF, IGRP, RIPv2, EIGRP, Static and default route
• Worked on HSRP and GLBP for first hop redundancy and load balancing
• Configured teh Cisco router as IP Firewall and for NATing
• Prepared, updated, and maintained technical and logistical network documentation
• Member of Network Test team and responsible for routine Network test
• Responsible for resolve any issue in routine Network test and need to escalate higher technical team, if their is any major issue
• Worked on comprehensive test strategy and test plan based on teh features to be tested, with focus on customer deployment and use-case scenarios
• Worked with cross-functional teams throughout teh project life cycle
• Configured teh Cisco router as IP Firewall and for NATing