SUMMARY

• 7 Years of professional experience in Network Engineering with Cisco Certified Network Engineer, performing Network analysis, design, Implementing, capacity planning with a focus on performance tuning and support of large Networks.
• Strong knowledge in Cisco Routing, Switching and Security with Cisco hardware/software (heavy Cisco shop) experience.
• Experience working on Cisco Catalyst Series 3750, 4500, 4900, 6500; Nexus 2000, 5000, 6000 and 7000 series switches.
• Extensive work experience with Cisco Routers, Cisco Switches, Load Balancers and Firewalls.
• Experience in layer - 3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2Kseries, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 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
• Knowledge of implementing and troubleshooting skills on S series servers and gateways.
• Configure VRRP & GLBP and VLAN Trunking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Responsible for Check Point and Cisco ASA firewall administration across global networks
• Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
• Design and configuring of OSPF, BGP on Juniper Routers (MX960, MX480) and SRX Firewalls (SRX240, SRX550) experience working knowledge of IP protocol
• 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, Firewalls
• Strong knowledge of TACACS+, RADIUS implementation in Access Control Network
• Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA
• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a datacenter access architecture Expertise in installing, configuring and troubleshooting Juniper EX Switches (EX2200, EX2500, EX3200, EX4200, EX4500, EX8200 series)
• Enterprise Routing experience using protocols RIP v1 & 2, EIGRP, OSPF and BGP
• Expertise in installing, configuring and troubleshooting Juniper Routers (E, J, M and T-series)
• Implementing security policies using Cryptography, ACL, SDM, PIX Firewall, IPsec, VPN and AAA Security on different series of routers.
• Perform 802.11a/g/n/ac wireless site survey using AirMagnet suite of tools that included wireless survey pro and spectrum analysis.
• Design and implement Cisco wireless network. Troubleshoot RF WLAN system networks.
• Perform active and passive WLAN surveys using AirMagnet and Cognio spectrum analyzer tools.
• Research into multiple 802.11standards for possible vulnerabilities within security and research security protocols to find possible vulnerabilities in design.
• Experience working with advance level technical solutions for existing wireless networks VPNs and mesh network.

TECHNICAL SKILLS

Routing: RIPV1, RIPV2, IGRP, EGIRP, OSPF, BGP, Route Filtering, Redistribution, Summarization, and Static Routing.

Switching: VLANs, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Ether channels, Transparent Bridging, CEF, DECF, Port Security, VSS Cisco 2960, 3560, 4500, 6500, 4900, 2900, 3750, Nexus 5000,Nexus 7000, WS-C4948, Juniper EX, QFX and Alcatel 7705 SAR

Router: Cisco 7600, 7606, 7609, 7613, 7200, 4400, 3900, 3800, 2900, 1900, ASR-901, ASR-903,, ASR 5500, ASR-9010, 7206 VX, MWR 2941, Alcatel 7705 SAR, Juniper ACX, E, M, MX960 and SRX 240 series

Switches: Cisco Catalyst 6500, 4500, 3560, 3750, 2960, Nexus 7000, Nexus 6000, Nexus 5000,Juniper EX, QFX and Alcatel 7705 SAR series

Network Security: Cisco ASA5550/ 5540,NetScreen, Juniper SRX, Palo Alto, Checkpoints, AAA, Firemon, FREE RADIUS, CADA, LDAP, IPsec VPN, SSL VPN, IDS, IPS, Source Fire, Fire Eye, Cisco NAC (4.9.3), Cisco ISE, Aruba, RSA, RSA 2 Factor, SIEM, Qradar, Tripwire

Network Management: Wire shark, SNMP, Ethereal, Solar Winds, Net cool

Operating Systems: Windows (98, ME, 2000, XP, Sv2003, Sv2008, Sv2012, Vista, 7, 8), Ubuntu, Red Hat Linux, CentOS

PROFESSIONAL EXPERIENCE

Sr. Network Engineer

Confidential, Enon, OH

Responsibilities:

• Performed technical planning, system integration, verification and validation, evaluates alternatives including cost and risk, supportability and analyses for total systems.
• Part of the troubleshooting and production support team, involved in monitoring 200 servers, have supported data center migration.
• Worked as part of a team to manage Enterprise Network Infrastructure as a Tier 3 Support Engineer.
• Involved in configuring and implementing of Composite Network models consists of Cisco 7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Worked on conversions to BGP WAN routing, which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) that involves new wan links.
• Replaced branch hardware with new 3900 routers and 2960 switches.
• Configured firewall switch module on Cisco 6506 distribution layer switches, configuring VTPs, trunking, NAC product, inter-vlan routing, port fast, uplink fast, backbone fast on access layer switches.
• Enabled STP attack mitigation (BPDU Guard, Root Guard), Using MD5 authentication for VTP
• Planned and installed Frame Relay WAN links to the branch offices.
• Maintained wireless access points at various locations in the company.
• Assisted in the installation of communications hardware - CISCO VOiP administration
• Great understanding of WLAN including 802.11 standards, Lightweight and Autonomous systems, WPA, PEAP.
• Assisted in MPLS migrations, implemented a backup for the existing WAN connection using site-to-site IP sec VPN tunnels.
• Configured Voice VLAN’s (VOIP), prioritizing the voice traffic over the data traffic.
• Configured and troubleshot OSPF routing protocol on the corporate network.
• Tested and implemented various BGP attributes such as Local Preference, MED, AS-PATH, Community, Extended community using route-maps.
• Worked on migration of Frame Relay based branches to MPLS based VPN for customer’s WAN infrastructure.
• Worked on migration of existing PIX firewall to ASA firewall, PIX OS upgrade from 6.3 to 7.0, also configured on BIG IP (F5) Load balancers and also monitored the Packet Flow in the load balancers.
• Experience working with CLI F5 Bgi-Pipe, TMSH
• Worked with Blue coat and handled the Trouble Tickets on F5 Load Balancers.
• Switching experience includes Cisco Catalyst switches: Cisco 3750, 4500, 6500 series switches.
• Managing enterprise BGP setup by configuring and troubleshooting BGP related issues.
• Knowledge on Scaling of BGP and IGP in the core, dealt with implementation of deployment related to Cisco devices and applying security policies on it.
• Troubleshot issues related to VLAN, VLAN Trunking, HSRP failovers, related issues.
• Maintained effective communications with vendors, peers and clients in resolution of trouble-tickets, equipment RMAs, and support requests.
• Planned for upgrade of IOS on devices and performing the upgrade.
• Assisted in the architecture, evaluation and recommendations related to purchasing and installing hardware, software related to IP Networking

Environment: ISR 4451/4431, NEXUS- 7700,NEXUS N77C7706,CATALYST- 6506,3560-G48TS,4500 L3, 2900STACK, 3800 STACK, FIREWALL- PALO ALTO PA5050,LOADBALANCE- F5 NETWORKS- BIG-IPVCMP, Routing protocol- MPLS, BGP, OSPF, EIGRP, Cisco, F5 networks, VMware, palo alto PA5050,net-SNMP, windows, linux, Avaya

Network Engineer

Confidential

Responsibilities:

• Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, maintenance etc.).
• Implementation of Wireless access points, Cisco 3750, 3850 switches and Cisco 3900 and ASR 1000s routers to new sites.
• Involved in Switching Technology Administration including creating and managing VLANS's, Port security, Trunking, STP, Inter VLAN routing, LAN security etc.
• Configured Layer3 protocols like IP, EIGRP, RIP, BGP and OSPF in routers. Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture.
• Experience configuring Virtual Device Context in Nexus 7010.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers which is having Junos OS.
• Level 2 support on Active Directory Domains, it has 50 Domain controllers with single forest multiple domains environment.
• Deployment of GRE tunneling, SSL, Site-Site IPSEC VPN and DMVPN.
• Working with Checkpoint Support for resolving escalated issues.
• Working experience with CoS (class of service) on the Juniper EX and MX series switches and routers for the Radio Project includes configuring code points, ingress policers and Egress policers all the MCCA data centers.
• Deployed Site to Site and Client to Site VPNs utilizing Checkpoint Firewall-1/VPN-1.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Coordinating with service providers for WAN link outages.
• Checking and configuring Cisco 7600 and 7200 routers at data center for remote sites' issues.
• Working on Cisco 6509 and 4507 series switches for LAN requirements that include Upgraded and updated Cisco IOS from 12.3T to 12.4. Used to DHCP to automatically assign reusable IP addresses to DHCP clients.
• Worked with various scripting languages like Perl and Python.
• Used PIX Firewall and ACLs for authentication of EIGRP to ensure high security on the network.
• Configured Cisco 7200 routers which were also connected to Cisco PIX 535 security appliances providing perimeter based firewall security.
• Used load balancers ACE and load balancing technique with multiple components for efficient performance and to increase reliability through redundancy.
• Configuring and managing Bluecoat proxy and also providing extended support to Citrix Netscaler.
• Tested various BGP attributes like local preference, MED, Weight and replicated customer issues in the testing environment Lab.
• Interacted with the customers and on call support to troubleshoot the issues
• Installed high availability Big IP F5 LTM and GTM load balancers to provide uninterrupted service to customers.
• Implementation and Configuration (Profiles, I Rules) of F5 Big-IP LTM-6400 load balancers.
• Upgraded F5 load balancers from Radware to F5 BigIP v9 which improved functionality and scalability in the enterprise.
• Installation and configuration of CISCO VPN concentrators 3000 for VPN tunnel and implementation of SDM for IPSec VPN.
• Replicated the issues in the production networks in the lab and provided solutions for them.
• Worked with various scripting languages like Bash, Perl, Shell, Ruby, Python, Unix and the experience on tables, functions etc.
• Knowledge of UNIX Clustering in RedHat Linux, virtualization, package creation and LVM maintenance.
• Connected IP Phones to virtual server through new VLANs and created livevox access to new users in all the remote locations FOR VOIP.
• Troubleshoot and solve network outages that are escalated by Tier 3 NOC Engineers.
• Xbox One Controller enrolling, binding/pairing to the Xbox One Console via Wi-Fi/USB connection. Controller.
• Used Network monitoring tools to ensure network connectivity and Protocol analysis tools to assess and pinpoint networking issues causing service disruption.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/12000/7200/3845/3600/2800 routers, Checkpoint, OSPF, BGP, VLAN, HSRP, LAN, WAN, IPV4, ASAFirewall, Checkpoint, Nexus 7K/5K/2K, F5 load balancers.

Network Engineer

Confidential

Responsibilities:

• Experience in configuring Site-to-site and remote access VPN solutions
• Installed and configured Cisco 7200 series router and Cisco 2950, 4500, 6500 Series switches
• Configured network using routing protocols such as RIP, OSPF and BGP and troubleshooting L2/L3 issues
• Worked on multiple projects related to Branch networks, Campus networks, extranet clients and Data Center Environments involving in data center migrations from one data center to another
• Provided estimated bandwidth requirements for data replication, to best determine adequate timing for migration service levels
• Created data migration strategies to help with completion of migration of data center from one point to another.
• Configuration of Cisco 6500 (SUP 720), 4500 (SUP 6) & 3750 Catalyst Switches for network access
• Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510) Series, experience with convert PIX rules over to the Cisco ASA solution
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Time to time upgrade network connectivity between branch office and regional office with multiple link paths and routers running HSRP, EIGRP in unequal cost load balancing to build resilient network
• Design and implement Catalyst/ASA Firewall Service Module for various LAN's
• Key contribution includes troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP
• Troubleshoots in Cisco Aironet 2700 and 600 series
• Configured Client VPN and RSA Token ID technologies including Cisco's VPN client via IPsec
• Configuring ACL to allow only authorized users to access the servers.
• Participated in on call support in troubleshooting the configuration and installation issues.
• Installation, maintenance, troubleshooting local and Wide Areas Network (ISDN, Frame relay, DDR, NAT, DHCP, TCP/IP)
• Provided technical support in terms of upgrading, improving and expanding the network
• Providing technical security proposals, detailed RFP responses and security presentation, installing and configuring ASA firewalls, VPN networks and redesigning customer security architectures

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/12000 /7200/3845/3600/2800 routers, Cisco ASA5510, Checkpoint, F5 Load Balancer, Cisco Nexus7K/5K, Checkpoint, Cisco ASA.