Network Engineer Technical Support

HIMA BINDU PARIJATHA Email: *****.**********@*****.***

Sr. Network Engineer phone: 510-***-****

Professional Summary:

Around 8 years of experience in Cisco/Juniper Networking, Security which includes designing, Deployment and providing network support, installation and analysis for a broad range of LAN / WAN protocols.

Hands On experience Cisco IOS/IOS-XR/NX-OS, Juniper JUNOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS.

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.

Extensive work experience with Cisco Routers, Cisco Switches, Load Balancers and Firewalls.

Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.

Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 7010, 5000 series to provide a Flexible Access Solution for a datacenter access architecture

Involved in troubleshooting of DNS, DHCP and other IP conflict problems.

Configuring Virtual Chassis for Juniper switches EX-4200,Firewalls SRX-210

Responsible for Check Point (Secure Platform R70) and Cisco ASA firewall administration across global networks.

Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.

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.

Experience in testing Cisco routers and switches in laboratory and deploy them on site production.

Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NAT with the firewalls as per the design.

Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series

Knowledge in preparing Technical Documentation and presentations using Microsoft VISIO/Office.

Worked on MPLS while ensuring secure networking, improving the network performance by prioritizing network traffic and allocating bandwidth according to usage and service requirements.

Worked on Multicast to use the bandwidth more effectively while reducing the load on the sender.

Knowledge of WAN Optimization Technology, Riverbed.

Configuring Cisco Wireless Controllers and AP’s.

Configuring Cisco WAAS.

Configuring the Network Admission Control (NAC).

Excellent customer management/resolution, problem solving, debugging skills and capable of quickly learning, effectively analyzes results and implement and delivering solutions as an individual and as part of a team.

Hands on Experience testing iRules using Browser(IE), HTTP watch

Education:

Bachelors of Technology from Jawaharlal Nehru institute of technology, India

Certifications:

Cisco certified Network Professional (CCNP)

Cisco Certified Network Associate (CCNA)

Technical Skills:

Networking Technologies

LAN/WAN Architecture, TCP/IP, Frame Relay, VPN, VLAN, VTP, NAT, PAT, STP, RSTP, PVST, MSTP

Networking Hardware

Cisco Switches, Cisco Routers, ASA/Pix firewalls, Vmware, Ironport

Routing Protocols

OSPF, IGRP, EIGRP, RIP, MPLS, IS-IS, BGP, Multicasting

Security Technologies

PAP, CHAP, Cisco PIX, Blue Coat

Network Monitoring

Cisco Works 2000, Wire Shark, HRPing

Operating Systems

Windows 7, Vista, XP, 2000, LINUX, Cisco IOS, IOS XR

Routers

CISCO 2600, 2800,3600,3800,7200, Juniper M & T Series, Cisco CRS-1, CRS -3, GSR

Load Balancers

Cisco CSM, F5 Networks (BIG-IP)

Capacity & performance

IXIA, Spirent, Cisco works, IPerf, IXChariot

Switches

CISCO 2900, 3500,4500,5000,6500, Nexus 7k,5k,2k

Programming Languages

C, C++, Perl, VB Script, Power Shell, Python, SQL

Simulation Tools

Qualnet Developer, OPNET IT GURU, OPNET Modelar, Cadence

Firewalls

juniper net screen(500/5200), Juniper SRX (650/3600), Pix(525/535), ASA(5520/5550/5580), McAfee Web Gateway

AAA Architecture

TACACS+, RADIUS, Cisco ACS

Features & Services

IOS and Features, HSRP, GLBP,IPAM IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management, Open Stack, IVR’s, HLD and LLD documents, Dell equal logics

Role: Sr. Network Engineer

Company: NGS Infonet

Location: Reston, Virginia, USA. March’2016-Till Date

Responsibilities:

Experience with configuring Cisco 6500 VSS in Distribution layer of the Data center network

Configuration and Administration of Cisco and Juniper Routers and Switches

Performed Configuration on ASR 9K Pairs includes HSRP, Bundle Ethernet Configuration, Assigning DHCP profiles

Experience working with Nexus 7010, 5548, 5596, 2148, 2248 devices.

Deploying and decommission of VLANs on core ASR 9K, Nexus 9K, 7K, 5K and its downstream devices and also configure 2k, 3k, 7k series Routers

Experience configuring VPC(Virtual Port Channel), VDC(Virtual Device Context) in Nexus 7010/7018

Experience with configuring FCOE using Cisco nexus 5548

Created documents for various platforms including Nexus 7k, ASR9k, and ASR1k enabling successful deployment of new devices on the network

Configured Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000 to connect servers and storage devices.

Experience with setting up MPLS Layer 3 VPN cloud in data center and also working with BGP WAN towards customer

Work with Load Balancing team to build connectivity to production and disaster recovery servers through F5 Big IP LTM load balancers.

Configure and troubleshoot Juniper EX series switches and routers

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

Experience with moving data center from one location to another location, from 6500 based data center to Nexus based data center

Network Redesign for Small Office/Campus Locations. This includes changes to both the voice and data environment

Network security including NAT/PAT, ACL, and ASA/SRX Firewalls.

Good knowledge with the technologies VPN, WLAN and Multicast.

Well Experienced in configuring protocols HSRP, GLBP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP.

Work with Load Balancing team to build connectivity to production and disaster recovery servers through F5 Big IP LTM load balancers

Installation and Configuration of Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy It also includes the configuration of port channel between core switches and server distribution switches

Implement changes on switches, routers, load balancers (F5 and CSS), wireless devices per engineers instructions and troubleshooting any related issues

Experience with communicating with different with different customers, IT teams in gathering the details for the project

Switching tasks include VTP, ISL/ 802.1q, IP Sec and GRE Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.

Experience in installing and configuring DNS, DHCP servers.

Replace branch hardware with new 3900 routers and 2960 switches.

Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.

Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IP Sec/GRE to Get VPN.

Responsible for layer 2 securities which was implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trunking, deployed port security when possible for user ports

Involved in configuring Juniper SSG-140 and Cisco ASA firewall

Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed.

Role: Network Engineer

Company: Novartis

Location: Boston, Massachusetts. Oct’2014 – Feb ’2016

Responsibilities:

Configure / Troubleshoot CISCO 12000, 7500, 3800 series routers and 3560 series switch for LAN/WAN connectivity.

Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks

Experience configuring VPC, VDC and ISSU software upgrade in Nexus 7010

Experience in Configuring, upgrading and verifying NX-OS operation system with OSPF, BGP

Actively involved in Switching technology Administration including creating and managing VLANS, Port security- 802.1x, Trucking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009.

Troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP, MPLS

Experience with deploying PIM Sparse-mode/Dense-mode multicasting in Campus locations.

Serve as part of a team of network engineers responsible for base wide network upgrade from Cisco Layer 3 Catalyst switches to Juniper Layer 3 EX4200 & EX3200 switches.

Design, implement and administer IPv4 enterprise network infrastructure utilizing Juniper routers like Juniper MX80, MX 480 and MX960.

Design and implement Catalyst/ASA Firewall Service Module for various LAN’s.

Involved in Configuration of Access lists (ACL) on checkpoint firewall for the proper network routing for the B2B network connectivity.

Experienced in handling and installing Palo Alto Firewalls

Serve as part of a team of network engineers responsible for base wide network upgrade from Cisco Layer 3 Catalyst switches to Juniper Layer 3 EX4200 & EX3200 switches.

Experience working with ASR 9000 series switches with IOS-XR

Involved in configuring Juniper SSG-140 and Check point firewall.

Provided Layer-3 redundancy by implementing HSRP and GLBP for High availability

Implementation and Configuration ( Profiles, I Rules) of F5 Big-IP LTM-6400 load balancers

Implemented Access lists and policy mapping on Juniper router installed in each branch across all the states.

Worked on configuration commissioning and upgradation of the MPLS circuits for various branch offices.

Role: Network Engineer

Company: cap Gemini

Location: San Francisco, CA, USA jan’2011 – sep’2013

Responsibilities:

Involved in implementation of trunking using Dot1Q, and ISL on Cisco Catalyst Switches.

Involved in Local Area Network (LAN) design, troubleshooting, and maintenance as per company’s requirements.

Worked with snipping tools like Ethereal to analyze the network problems.

Maintenance and troubleshooting of network connectivity problems using PING, Trace Route.

Performed replacements of failed hardware and upgraded software.

Configured VLANS to isolate different departments.

Troubleshoot issues related to VLAN, VLAN Trunking, HSRP failovers, related issues.

Configured IPSEC VPN on SRX series firewalls.

Used TFTP server to backup Cisco configuration files.

Network layer tasks included configuration of IP Addressing using FLSM, VLSM for all applications and servers throughout the company.

Performed scheduled Virus Checks & Updates on all Servers & Desktops.

Implementing Routing and Switching using the following protocols; IS-ISOSPG, BGP on Juniper M series routers.

Design, installation and troubleshooting networks with hand-on experience with OSPF, ISIS, BGP, VPLS, Multicast, VPN, MPLS, & Traffic engineering.

Configured STP for loop prevention on Cisco Catalyst Switches.

Configured VTP to manage VLAN database throughout the network for Inter-VLAN Routing.

Worked in setting up Inter-VLAN routing, redistribution, access-lists and dynamic routing.

Involved in configuring and implementing of Composite Network models consists of Cisco 3750, 2620 and, 1900 series routers and Cisco 2950, 3500 Series switches.

Implemented various Switch Port Security features as per the company’s policy

Configured RIP, and EIGRP on 2901 and 3925 Cisco routers.

Provided technical support for expansion of the existing network architecture to incorporate new users

Role: Jr. Network Engineer

Company: Capgemini

Location: Hyderabad, India june’2008 – dec’2010

Responsibilities:

Used TFTP server to backup Cisco configuration files.

Provided technical support for expansion of the existing network architecture to incorporate new users.

Network layer tasks included configuration of IP Addressing using FLSM, VLSM for all applications and servers throughout the company

Configured STP for loop prevention on Cisco Catalyst Switches

Configured VTP to manage VLAN database throughout the network for Inter-VLAN Routing.

Worked in setting up inter-vlan routing, redistribution, access-lists and dynamic routing.

Involved in configuring and implementing of Composite Network models consists of Cisco 3750, 2620 and, 1900 series routers and Cisco 2950, 3500 Series switches.

Implemented various Switch Port Security features as per the company’s policy

Configured OSPF, and EIGRP on 2901 and 3925 Cisco routers.

Configured VLANS to isolate different departments

Troubleshoot issues related to VLAN, VLAN Trunking, HSRP failovers, related issues.

Configured IPSEC VPN on SRX series firewalls

Design, installation and troubleshooting networks with hand-on experience with OSPF, BGP, VPLS, Multicast, VPN, MPLS, & Traffic engineering.

Involved in implementation of trunking using Dot1Q, and ISL on Cisco Catalyst Switches

Worked with snipping tools like Ethereal (Wireshark) to analyze the network problems.

Maintenance and troubleshooting of network connectivity problems using PING, Trace Route.

Performed replacements of failed hardware and upgraded software

Performed scheduled Virus Checks & Updates on all Servers & Desktops.

Implementing Routing and Switching using the following protocols; OSPF, BGP on Juniper M series routers.

Involved in Local Area Network (LAN) implementation, troubleshooting, and maintenance as per company’s requirements.

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