Network Engineer

Thilak Reddy

ac0s82@r.postjobfree.com

Ph :+1-601-***-****

SUMMARY

A Network Engineer with over 9 years of experience in design, installation, configuration, administration and troubleshooting of LAN/WAN infrastructure and security using Cisco devices in large network infrastructure environment.

Excessive work experience in configuring IP, RIP, EIGRP, OSPF and BGP in routers.

Experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 5K, 2K series, Cisco router models like 12k,10k,7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches.

Excessive work experience in configuring and troubleshooting LAN Routing Protocols (HSRP,VRRP, GLBP, Layer 2 Protocols)

Experienced in configuring and troubleshooting MPLS, building MPLS-VPN and Multicast support.

Experience in Wireless technologies: 802.11a, 802.11b, 802.11g, 802.11n, GSM, RF, Wi-Fi, WI-Max etc.

Experience in Implementing and Managing WAN Networks: ISDN, Frame Relay, ATM and SONET (OC-3, OC-12 circuits)

Protocols Awareness: OSPF, EIGRP, RIP, BGP, HSRP, ACL, VTP, NAT/PAT, CDP, SSH, HTTP, HTTPS, NTP, SNMP, ARP, STP (802.1D), SNMP, DNS &DHCP.

Experience in implementing Cisco PIX/ASA firewalls, IDS/IPS, routers, switches, building VPNs, Wireless Networks, VLANs and security policies in highly secured and redundant networks.

Experienced with Juniper JUNOS device configuration like Juniper Router and Juniper switches.

Experience in configuring and Troubleshooting Juniper routers such as Mx-960, MX-480, MX-80 and Switches such as Ex-4200, EX-8200.

Expertise in installing, configuring and troubleshooting Juniper EX Switches (EX2200, EX2500, EX3200, EX4200, EX4500, EX8200 series).

Enhanced level of experience with QOS, OSPF, BGP-4, ATM, T1-T3 Frame-Relay, and TCP/IP.

Work experience on Policy based routing, QOS and also IPS(Juniper),IDP(Tipping point)

Basic knowledge of Big IP/F5 load balancer, Cisco ACE &CSS load balancer.

Experience in working with Cisco Nexus 2k, 5k and 7k series switches for data center.

Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution.

Strong interpersonal skills and leadership qualities which help in creating innovative yet practical solutions to the business.

Well Excellent problem solving and debugging skills with good verbal/written communication and presentation skills.

Highly experienced in designing and presenting new designs within the team.

Experience in Network Management Tools and sniffers like HPNA, SNMP, and Wireshark, Cisco works, Solar Winds to support 24 x 7 Network Operation Center.

Hands on experience and good working knowledge with Checkpoint Firewall policy provisioning.

Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools

Self-starter and able to work independently or under minimal supervision.

TECHNICAL SKILLS:

LAN/WLAN technologies : Ethernet, Fast & Gigabit Ethernet, VLANS, VTP, STP, RSTP, 802.1W, Autonomous AP’s, Lightweight AP’s, WLC, WDS, WLSE

Standards : 802.11A, 802.11B, 802.11G, 802.N, 802.11P Frame Relay, ISDN, PPP, ATM, MPLS

Cisco Equipment : Cisco routers (2500, 2600, 2800, 3600, 3800, 7200, 7600), Cisco Catalyst switches(1900, 2900, 3550, 3750,4500, 6500), PIX (506, 515, 525, 535)/ ASA (5505/5510) Firewall, CatOS, Cisco IOS 11.x, 12.x, PIX OS 6.x, 7.x, Load Balancers using Cisco ACE, Nexus 2k and 5k switches.

Routing Protocols : RIP, IGRP, EIGRP, OSPF, BGP, IS-IS, VRRP, GLBP and HSRP.

Infrastructure/Enterprise Services : DHCP, DNS, SMTP, POP3, FTP, TFTP, DMZ infrastructure,

Network Security : Cisco ASA 5540, ACL, IPSEC, Checkpoint

Juniper Platform : SRX, MX, EX series routers and switches.

Routing Protocols:

Working knowledge of routing protocols including RIP, IGRP, OSPF, ISIS, EIGRP and BGP.

Switching Concepts:

LAN technologies (Ethernet- CSMA/CD), STP (IEEE 802.1d/w, 802.1s) VLANs, and Ether channel, Spanning- Tree, Port security, STP mitigation attacks like Root Guard and BPDU Guard.

Network Security:

Access Control Lists, Radius Authentication,Tacacs+, Network Address Translations, IDS, IPS and securing physical LAN media from intrusion, Cisco ASA 5500 series Firewalls, Cisco IOS Firewall feature set (IOS 12.X) and Cisco SDM (Security Device Manager), Checkpoint.

TCP/IP Services: DNS, DHCP, HTTP, FTP, SSH and SMTP

Tools: Wireshark, Cisco packet tracer, GNS3, HP Open view, SNMP, Cisco Works, Ethereal, Wire shark Network Analyzer, Tcp dump.

CERTIFICATION

Cisco Certified Network Associate (CCNA)

Cisco Certified Network Professional (CCNP)

EDUCATION

Bachelors of Engineering in Electronics & Communication, Rajiv Gandhi University, INDIA

PROFESSIONAL EXPERIENCE

Bank of America (Remote) Dec 2014–Till date

Network Engineer

Responsibilities:

Involved in design and implementation of Data Center Migration for external Connections.

Configuring, Maintaining the Routers and Switches and Implementation of RIP, EIGRP, OSPF, BGP routing protocols and trouble shooting.

Design and engineering of secure B2B (Business to Business) network connections.

Having good experience in troubleshooting various WAN technologies like Frame-Relay, MPLS, T1, DS3 and ISDN.

Worked with service providers in Installing, Troubleshooting T1, DS3, OC3 and OC-12 circuits.

Involved in migration of Frame-relay connections to MPLS based technology with the extranet clients.

Implementing the firewall rules on Checkpoint according to the Business Requirement and verification.

Involved in VPN (IPSEC and GRE) migrations and new designs for the clients.

Troubleshooting the Network Routing protocols (BGP, EIGRP and RIP) during the Migrations and new client connections.

Provide end to end design, engineering, implementation and support for secure builds within the DMZ and EBNC complexes via projects and MACS.

Design and engineering of secure customer connections over the internet via IPSEC Tunnels.

Configuring IPSEC VPN on Juniper SRX series firewalls.

Successfully launched Juniper’s Contrail SDN Controllers.

Migrated to Juniper EX series switches from Cisco 3500 series and 6500 series switches.

Negotiate VPN tunnels using IPsec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.

Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.

Configuring and testing Multicast for both IPv4 and IPv6 routing in Data Environment

Configuring Cisco Catalyst 2960, 3750, 4500, 6500 and Nexus 3000, 5000, 6000, 7000 series switches and Cisco 2600, 2800, 3600 series routers.

Day to day responsibilities include tasks like building new connections to third parties and doing server moves, adds and changes within the DMZ as are requested.

Worked on Nexus 2k and 5k series switches. Involved in configuring VPC and FEX.

Migrated to Juniper EX series switches from Cisco 3500 series and 6500 series switches.

Migrated firewalls from ASA to Checkpoint.

Configuring OSPF and Static routing onJuniper M and MX series Routers

Configured MPLS on Juniper J and M series routers

Maintenance and configuration of Cisco ASR1000 series and 7200VXR routers at data center and deployment of and 3900, 3800, 2951 2821 for branch connectivity.

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.

Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.

Maintain work relationships with customer technology groups to ensure compatibility between implanted solution and emerging business requirements.

Involved in providing the documentation support such as Diagrams, Configurations, Host name and IP changes, Circuit Orders, Bill of Materials, for both planned and expedited changed.

Involved in meetings with external engineering teams to design and build the network connections According to the business requirement.

Deliver costing details on new project work. Update (redline) network drawings as needed. Attend project implementation meetings as required.

Peer Review engineering design CCP and EWO for all Foundational and Secured Services changes to ensure compliance with Bank of America Standards (Templates, Design Standards, IOS Standards and various Platform Standards).

Create network documentation for production site support and engineering packaging for change control.

Initiate circuit orders; create high-level engineering diagrams and giving level 3 support on call.

Working on tools like ALDEA and IW Remedy (integrated workflow system) or BMC Remedy.

Worked on Visio software to create and design the network diagrams according to the business requirement.

Creating new designs and presenting the designs to the team

Providing on call supports 24/7 and worked in NOC (Network operations center).

CITIGROUP, WARREN, NJ Sep 2012 - Dec 2014

Network Engineer

Responsibilities:

Designing, Implementing and Troubleshooting Cisco 3750, 3550, 3560, 4500,2924, 6513,6504,6506,6509,6500 series switches, GSR, ASR routers with Cisco IOS and IOS-XR and NX.

Installing, configuring, and maintaining Cisco Switches (2900, 3500, 3700 series, 6500 series)

Installing, configuring, and troubleshooting of Cisco Routers (3800, 3600, 2800, 2600, 1800, 1700, 800).

Installation of Palo Alto (Web Application and URL filtering, Threat Prevention, Data Filtering).

Developed the passive cabling design and installation for the passive storage area network infrastructure.

Migrated to Juniper EX series switches from Cisco 3500 series and 6500 series switches.

Migrated firewalls from ASA to Checkpoint.

Maintenance and configuration of Cisco ASR1000 series and 7200VXR routers at data center and deployment of and 3900, 3800, 2951 2821 for branch connectivity.

Experience with converting WAN routing from EIGRP/OSPF to BGP (OSPF is used for local routing only) which also involved converting from Point to point circuits to MPLS circuits.

Configured and maintained IPSEC and SSL VPN's.

Signature Updates Deployment on the Management Components and all the Individual Network IPS/IDS devices.

Experience in working with BGP attributes such as Weight, Local-Preference, MED and AS-PATH to influence inbound and out bound traffic.

Configure Multi-Protocol Label Switching (MPLS) on Cisco IOS XR Software.

Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches.

Configured RIP, OSPF and Static routing on Juniper M and MX series Routers.

Design and configuring of OSPF, BGP on Juniper Routers (MX960) and SRX Firewalls(SRX240).

Support Data center Migration Project involving re-locations.

Designing,Implementing,Troubleshooting,CiscoRouters-(2800,2900,3900,3800,7600) using Static, RIP, IGRP, OSPF, EIGRP.

Refining Network IPS Policy and Creating Rules according to the Security Standard.

Configured IP, EIGRP and OSPF in routers. Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.

Configuration and extension of VLAN from one network segment to other segment between different vendor switches (Cisco, Juniper) -

Deployed and maintained Juniper firewalls-globally.

Apply firewall configurations on Juniper ISG 2000 firewalls

Organized and remotely supported all hardware installation, repair, and maintenance activity performed at the various domestic and international office locations and Data center.

Experience working with design and deployment of MPLS Layer 3 VPN cloud, involving VRF, Route Distinguisher(RD), Route Target(RT), Label Distribution Protocol (LDP) & MP-BGP.

Setup and management of Riverbed data optimization appliances.

Used to be responsible for resolving the service request tickets from the help desk which involved in providing entire technical support.

Responsible for day to day management of Cisco Devices, Traffic management and monitoring.

Configured backup and recovery of Cisco IOS Images. Perform password recovery on Cisco IOS routers/switches.

Implemented, maintained and supported Riverbed devices for WAN optimization.

Good understanding of TCP/IP, Malware detection, and incident response, incident handling and monitoring.

Performs bandwidth and device upgrades on IOS-XR, IOS-XE, NX-OS, and IOS.

Performed Network analysis with packet capturing tools Sniffers, Wire-shark.

Value IT Labs Pvt.Ltd.India May 2008 - Sep 2012

Network Engineer

Responsibilities:

Configured IPSec site-to-site VPN connection between Cisco VPN 3000 Concentrator and Cisco 3800.

LAN and WAN experience with Cisco switches and routers and other WAN equipment Network Accelerator and Riverbed.

Configured STP for loop prevention and VTP for Inter-VLAN Routing.

Configured RIP, RIPv2, EIGRP and OSPF on 2600, 2900,3560 and 3600 series Cisco routers

Implemented redundant Load balancing technique with Internet applications for switches and routers.

Manage Checkpoint 2000 v.4.1 firewall

Manage installations, configuration and administration of Cisco equipment including Hubs, Switches and Routers.

Installation, maintenance, and troubleshooting of LAN/WAN (ISDN, Frame relay, NAT, DHCP, TCP/IP).

Configuring VRRP, Static route, BGP, Routing policies, ACL

Configured Access Lists (Standard, Extended, and Named) to allow users all over the company to access different applications while blocking others.

Provide Tier1 technical support assisting users facing network problems. Perform advanced troubleshooting, diagnostics and provide Level 1 solutions to network failures.

Troubleshoot wiring problems and serial communication lines.

Responsible for the up-to-date Network health (wired and wireless) including Security, Performance and Reliability.

Coordinating with Service providers & Clients on various implementations.

Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches.

Performed on-call support for installation and troubleshooting of the configuration issues.

Maintenance and troubleshooting of connectivity problems using PING, and traceroute.

Responsible for keeping the system updated with the latest OS patches.

Supporting and maintaining networking devices, cabling and standalone systems.

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