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Cisco Engineer

Location:
Ramachandrapuram, Telangana, India
Posted:
April 01, 2019

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Resume:

Prasad

Contact: 732-***-****

E-Mail: ac8yzw@r.postjobfree.com

SUMMARY:

7+ years of professional experience and having Certifications Cisco CCNA, CCNP in Network & security engineering, operations, performing network analysis, design, implementation, capacity planning with a focus on performance tuning and support of large Networks.

Experience in managing and migration of large scale enterprise networks, extensive knowledge in developing test plans, procedures and testing various LAN/WAN products and protocols.

Strong experience in cisco routing,switching and security with cisco hardware /software experience

Experience working on Cisco catalyst series 32150, 4500, 4900, 6500 and Experience in layer-3 routing and layer-2 switching. deal with Nexus model like 7k,5k,2k series, Cisco router model likes 7200, 3800, 3600, 2800, 2600, 2500,1800 series and Cisco catalyst 6500,4500,3750,3500,2900 series switches.

Experience on OSI model, TCP/IP, Internet technologies, system security, firewall infrastructure, network architecture and Cisco network routing / switching (Layer 2 and 3) experience, including LAN and WAN, design and implementation which includes Layer 1 to Layer 7 experience

Experience on frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NAT, sub-netting, also including DNS, WINS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols

Experience on Wireless Standards and Technologies, i.e. Ethernet, WAN, LAN, IEEE 802.11a, b, g, n (Wi-Fi). Cisco Wireless Management system, Cisco Meraki Products, PCI standards. Very good knowledge on IEEE 802.15.1 (Bluetooth), Mesh networks, etc.

Experience on configuring and troubleshooting Cisco Wireless networks; LWAPP, WLC, WCS, stand-alone apps, roaming, wireless security basis, IEEE 802.11a/b/g, RF spectrum characteristics

Experience working with Cisco Nexus 2148 fabric extender and Nexus 5000 series to provide a flexible access solution for data center access architecture and involved in installing, configuring, and troubleshooting Juniper Ex switches (EX2200, EX2500)

Worked on AWS cloud service like Compute, Network, Storage and Identity & access management.

Good understanding of Service Now Helpdesk / service Desk, Change Management, Asset Management, Change Tasking, service Level Agreement processes

Experience on 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 Intrusion Detection, DMZ, encryption, IPsec, proxy, Site to Site VPN tunnels, MPLS/VPN, SSL/VPN.

Experience with F5 load balancers and Cisco load balancers (ACE and GSS).

In-depth understanding in implementing and configuring F5 Big-IP LTM 3600, 4200, 6950 and 8950 Load Balancers

Firewall technologies including general configuration, risk analysis, security policy, rules creation and modification of Check Point R65, R70 & R77, Palo Alto and Cisco ASA.

Experience, design, installation, configuration, maintenance and administration of Checkpoint Firewall R55 up to R80 version, Secure Platform Installation, VPN.

Knowledge of methodology and architecture of private cloud (Open stack) and public cloud (AWS & Azure).

Experience in Implementing & managing Symantec Data Loss Prevention

Conduct network vulnerability assessments using tools to evaluate attack vectors, identify system vulnerabilities and develop remediation plans and security procedures

Unix/Linux systems administrator with experience configuring, monitoring, upgrading and maintaining systems hardware, software and related infrastructure

Proficient in using Solar Winds Network Management tools like Network Performance Monitor (NPM), Net flow Traffic Analyzer, Network Configuration Manager (NCM) and Cisco Prime.

Experience working with JUNOS OS on juniper routers and Switches.

TECHINICAL EXPERTISE:

Firewall &Load Balancers

Cisco ASA 5585, 5550, 5540, Juniper SRX 5400, 5600, 5800, Juniper Net screen 6500, 6000, 5400. Juniper SSG Firewalls, Check point, Palo Alto PA-3060/2050, F-5 BIG-IP LTM (3900 and 8900), Blue Coat SG8100, AV 510, AV810, A10 Load Balancers.

Routers

Cisco routers (1900, 2600, 2800, 2900, 3600, 3800, 3900, 7200, 7600), Cisco L2 & L3, Juniper routers (M7i, M10i, M320).

Switches

Cisco switches (3560, 3750, 4500, 4900 & 6500), Nexus (2248, 5548 &7010)

Routing

RIP, EIGRP, OSPF & BGP, Route Filtering, Redistribution, Summarization, Static routing.

Routing Protocols

RIP, OSPF, EIGRP, and BGP.

Switching Protocols

VTP, STP, RSTP, MSTP, VLANs, PAgP, and LACP.

LAN Technologies

Ethernet, Fast Ethernet, Gigabit Ethernet, NAT/PAT, FDDI.

WAN Technologies

FRAME RELAY, ISDN T1/E1, PPP, ATM, MPLS, leased lines, DSL modems.

Secure access control

TACACS+/Radius.

VOIP Devices & Wireless Technologies

Cisco IP phones, QOS, Avaya, CUCM, UCCX, CIPC and UCS.

Wireless: LWAPP, WLC, WCS, Standalone APs, Client Roaming, Wireless Security Basics, AP groups, WLANS, Cisco Prime Site Maps.

Network management

SNMP, Cisco Works LMS, HP Open View, Solar winds, ACI, Ethereal.

Layer 3 Switching

CEF, Multi-Layer Switching, Ether Channel.

Carrier Technologies

MPLS, MPLS-VPN.

Redundancy protocols

HSRP, VRRP, GLBP

Security Protocols

IKE, IPsec, SSL, AAA, Access-lists, prefix-lists.

Monitoring Tools

Packet tracer, Wire shark, Opnet, GNS3, InfoBlox and Solar winds.

Security Technologies

Cisco FWSM/PIX/ASDM, Nokia Checkpoint NG, Juniper SRX, McAfee proxy servers, Fortinet, Bluecoat.

Operating Systems

Microsoft XP/Vista/7, 10, UNIX, LINUX, Redhat.

Programming languages

C, python, Perl.

CERTIFICATIONS:

CCNA - Cisco Certified Network Associate

CCNP - Cisco Certified Network professional

SCP - Solar winds certified professional

ACE-Palo alto accredited configuration Engineer

PROFESSIONAL EXPERIENCE:

NVidia, Santa Clara, CA Oct 2017 - Present

Network Security Engineer

Responsibilities:

Installation and maintenance of network infrastructure and Configure, administer, and document, infrastructure. Managed the deployment, rules migrations, and network administration and responsible for converting rule base onto new platforms

Performed Network implementation that includes configuration of routing protocols, VLANs and IOS upgrades and installations.

Responsible for configuring VPC, VDC and ISSU software upgrade in Nexus 7010, 9k.

Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, Spanning Tree, 802.1q. Configured IP access filter policies

Expertise in working with various Cisco routers such as CISCO 6500, 7613, CISCO-GSR, CISCO-GSR-XR, CRS-16/S.

Worked on SolarWinds Network Performance Monitor, Network Configuration Manager, Network Traffic Analyzer (Net flow) and IP Address Manager.

Involved in the activity of DATA-Center migration of regular Cisco catalyst switches with the new Nexus 2148, 2224T, 5548

Responsible for Checkpoint and Cisco ASA firewall administration across global networks.

Experience on CISCO NEXUS data center infrastructure with 2000, 5000 and 7000 series switches by enabling networked devices to communicate effectively

Configuring Cloud platform (Virtual Networks Multi-site, Cross-site, VMs, VNETs, Azure, Load Balancers, Azure SQL, Service Bus, Azure API gateway/Management

Configuring and managing Aruba Instant Access Points 215, 225 and troubleshoot network connectivity issues

Worked with layer2 switching technology architecture. Implemented L2 and L3 switching functionality, which includes the use of VLANS, STP, VTP and their functions as they relate to network infrastructure requirements including internal and external treatment, configuration and security.

Install, upgrade and configure Next-Gen Palo Alto Firewall series PA-500, 3000, 5000, 7000.Installed Palo Alto PA-3060 Firewalls to protect Data Center.

Worked with Palo Alto firewalls PA3020, PA5020 using Panorama servers, performing changes to monitor/block/allow the traffic on the firewall.

Configured enterprise anti-virus/anti-spam/anti-malware solutions, including Symantec Endpoint Protection.

Configuring rules and maintaining checkpoint VSX, Palo Alto Firewalls &Analysis of firewall logs using various tools.

Implemented Zone-Based Firewalling and Security Rules on the Palo Alto Firewall.

Worked on troubleshooting SAN related issues and firmware up gradations of SANs in VMware

Troubleshooting and analysis of hardware and software failures for various UNIX servers.

Maintenance and troubleshooting of 4 Citrix Farms running on 2003 Citrix servers + Windows 2008 servers

Supported core Network consisting Cisco 7200 series routers running multi area OSPF.

Configured EIGRP and OSPF as interior Gateway protocol route filtering and route redistribution. Troubleshoot complex LAN/WAN infrastructure that includes routing protocols EIGRP,OSPF and BGP

Configuring and troubleshooting Bluecoat SG9000 WAN acceleration appliances including WCCP, CIFS and creating overlays

Configured AWS Identity Access Management (IAM) Group and users for improved login authentication.

Accessed Cisco Prime NCS/WCS and 5508 series Wireless Controller to manage wireless networks

Implemented a Cisco Identity Services Engine (ISE) solution (wired, wireless, and VPN users) for a commercial client with converged access switches and Cisco ASA firewalls

Implemented and validated various cloud solutions based on Cisco and 3rd party products such as Nexus 9K/7K/1Kv, CSR1000v, ASA, NetScaler 1000v, UCS VMware vSphere and NetApp.

Configuration of Juniper M320s as PE's, Cisco CRS-1 as Core, Cisco Catalyst 6500/7600

Configuration of OSPFv3, BGPv6 on Juniper M and J Series Routers. Configuration on SRX firewalls series.

Security firewall products SRX 5400/1400/3400/110/210/series, SSG-Secure Services Gateways, IDP and IPS.

Created standard access lists to allow SNMP, NTP and logging servers.

Worked on administering, configuring and supporting McAfee EPO.

Configured of MPLS L2 VPN's, VPLS on Juniper M and J series Routers

Designed and implemented the F5 LTM's (3600, 4500, 6900, 8950 etc.)

Implemented F5 in both Active/Active & Active/Standby mode

Implemented programs in Python to monitor virtual machine usage data using VMware API calls.

After testing on completed site will be placed back on either dual circuits or with IWAN backup circuit

Executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM

Responsible for all aspects of TCP/IP functionality across multiple Enterprise environments.

Performed OSPF, BGP, DHCP profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.

Configure and deployed BIG-IP LTM 6900 for providing application reduancy and load balancing.

performed Network address translation on Cisco ASA 8.2,8.3 and 9.1 versions

Responsible for IBM Qradar SIEM monitoring and configuration aligned to internal PCI and SOX controls.

Enterprise SIEM systems: centralized logging, NIDS, alerting and monitoring, compliance reporting, based on IBM/Qradar 7.0 SIEM

Performed the ACL request changes for various clients by collecting source and destination information.

Created MPOS (method of procedures) and sought the Approval of peers to perform configuration changes.

Configured ASA 5500-X series firewalls to provide highly secure high performance connectivity between the sites

Configured client VPN technologies including cisco's VPN client via IPSEC.

Environment: Cisco 7k,5k and 3k switches,Cisco routers 7200,3800,3600,2800,cisco catalyst 6500,4500,3750, network monitoring tools NCM,CHECKPOINT,ASA Firewalls 5500-X series BGP,OSPF,STP,MPLS,VTP,EIGRP,VPN AND NAT

State Farm, Bloomington, IL Apr 2015– Sep 2017

Network Security Engineer

Roles &Responsibilities:

Installation and maintenance of network infrastructure and Configure, administer, and document firewall infrastructure. Managed the firewall deployment, rules migrations, and firewall administration and was responsible for converting existing rule base onto new platforms.

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

Successfully installed Palo Alto PA-3060 Firewalls to protect Data Center.

Configured Palo Alto Firewall models PA-2k, PA-3k, PA-5k as well as a centralized management system (Panorama) to manage large-scale Firewall deployments

Implemented Positive Enforcement Model with the help of Palo Alto Networks.

Administration and L3 support of our Infoblox DDI deployment and F5 GTM's and configuring various advanced features (Profiles, monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, and HA) on F5 BIG IP appliances.

Incorporate Cisco Nexus 9000 NXOS to ACI fabric to work in concert with existing Nexus 7000s and ASRs for Multi-Protocol Label Switching(MPLS)

Configuring VPC, VDC and ISSU software upgrade in Nexus 7010

Installed Solar Winds Network Performance Monitor with emphasis on traffic analysis and virtualization management.

Managing Amazon Web Services (AWS) infrastructure with automation and orchestration tools such as Chef.

Implemented Azure VM storage good understanding on Implementing images and disks Configure, monitor Azure VM networking resiliency

Performed the juniper SRX 5800 deployment to replace the Net Screen 5200/5400 firewalls in the Data Center.

Configuring and Troubleshooting the Juniper SRX5400 and 5800 series, Juniper Net Screen routers

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

Deployed the Nexus 9000 Application Virtual switch to support network telemetry applications and 9000 Core with VPC and 3172 TOR

Configured Cisco Wireless Access Points 1100, 3600 through Cisco NCS Prime.

Configuring rules and maintaining checkpoint VSX, Palo Alto Firewalls & Analysis of firewall logs using tools.

Implemented virtual Linux server and Windows server using VMware and Xen when needed for testing.

Configured and troubleshooting Cisco unified UC560 manager VoIP systems

Created standard access lists to allow SNMP, NTP and logging servers.

Configuring rules and maintaining Palo Alto Firewalls & Analysis of Firewall logs.

Implemented Zone-Based Firewalling and Security Rules on the Palo Alto Firewall.

Researched, designed and replaced aging Checkpoint Firewall architecture with new next generation Palo Alto appliances serving as Firewalls and URL and application inspection.

Configured and maintained IPsec and SSL VPN's on Palo Alto Firewalls.

Investigation and resolution of 3rd line network support incidents.

Configuration, support and administration of Palo Alto and Checkpoint and to migrate all gateways and management servers to new hardware and software

Checkpoint R65, R71, R75 R77,R80 Provider-1 on Multiple CMAs updates, configurations, OS upgrades and CLI troubleshooting, rule re-ordering and optimizations

To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.

Installed and Configured the F5 BIG-IP LTM, GTM configured virtual servers and associate them with pools for internal web servers.

Configuring Virtual Server, Service Groups and Load balancing methods in new A10 LTM

Configuring WIDE IP and WIDE IP pool on F5 GTM's to support Load balancing between data centers.

Experience on IPS and/or DLP, Administration of McAfee anti-virus.

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

Dealing with Cisco ISE Secure Network Server 3515 and other network security products.

Designing MPLS VPN and QoS for architecture using Cisco multi-layer switches.

Monitor mitigate threats using Cisco Firepower IPS using custom correlation events and built-in tools

Installed, tested and deployed monitoring solutions with Splunk services

Implemented Zone-Based Firewalling and Security Rules on the Palo Alto Firewall.

Configured and maintained IPsec and SSL VPN's on Palo Alto Firewalls.

Maintained and managed assigned systems, Splunk related issues and administrators

Web Filtering solutions from Bluecoat/Websence/Cisco etc.

Worked on bluecoat web application firewall to improve application performance and to perform checks on HTTP, HTTPS, TCP, ICAP and ICMP in order to monitor web content servers.

Redesign current security network and implement Cisco IDS/IPS and Network Access Control (NAC) to the maximum security.

Configuration and maintenance of SIM/SIEMS tool – Qradar.

Manage the day-to-day log collection activities of source devices that send log data to SIEM IBM Qradar.

Experienced to maximize network performance by monitoring performance troubleshooting network problems and outages scheduling upgrades.

Utilized python in the handling of all hits on configuration and other application

Implemented and administered Websence Web Security Gateway for web content filtering and DLP

Improved network and system security through setup and ongoing maintenance of Riverbed IPS and fire eye

Experience in enterprise anti-virus/anti-spam/anti-malware solutions, including Symantec Endpoint Protection.

Implemented the Inter VDOM Routing through the Fort iGATE Firewalls and also the Router.

Implemented the Policy Rules, DMZ and Multiple VDOM's for Multiple Clients of the State on the Fortigate Firewall

Installation of ESX server and creation of VMs and install different guest OS

Problem resolution of leveraged and dedicated SIEM Environment.

Hands-on experience on Cisco switches 2960, 3750, 3560, Cisco routers 2821 ISR

FEDEX, Memphis, TN AUG 2014 – Mar 2015

Network Engineer

Responsibilities:

Maintained a network lab with more than 80 routers (3600 series), 100+ switches (2900 series), firewall and other network devices like DHCP, DNS servers and VPN concentrators.

Working with ASR 9000 series switches with IOS-XR.

Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet and Gigabit Ethernet channel between switches.

Maintained the network team to install new switches and routers and configure the IOS according to the requirement which included VLAN, OSPF, Subnetting, EIGRP, BGP, VTP, spanning–tree, IP Sub netting, wireless access points, T1 circuits and PIM-SM using auto RP.

Involved in configuring and implementing of composite network models consist of ASR 9k

Configuring rules and maintaining checkpoint VSX, Palo Alto Firewalls & Analysis of firewall logs using various tools.

Worked with Palo Alto Panorama M-100 and M-500 appliances for management of centralized Palo Alto Firewalls.

Implemented Pre, Post, Default Rules, Groups and Template on Panorama. Implementing Security rules and NAT rules on the Palo Alto Firewall

Installed Solar Winds Network Performance Monitor with emphasis on traffic analysis and virtualization management.

Implemented Zone-Based Firewalling and Security Rules on the Palo Alto Firewall

Troubleshooting the Juniper SRX5400/5600 and Juniper Net Screen routers with Site-Site VPN, and firewalls

Design network system architecture and implement the prototype of the system using SDN

Executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM

Managing data center and network by using solar winds, NPM, NTA, NCM and F5 load balancer and citrix load balancer.

Assisted in backing up, restoring and upgrading the Router and Switch IOS.

Assisted campus for VOIP network management and troubleshoot.

Troubleshooting Aruba Wireless issues like slow performance, intermittent connectivity, authentication failure, low signal strength, Replacing AP's and controllers

Provided single-point-of-contact resolution and dispatched ISP and network vendors to client repair sites

Configuring and troubleshooting QOS involving policing Core and towards CE and PE routers

Involved in configuring and troubleshooting of Juniper SRX100, 3600 and 5800 series, Juniper Net Screen routers.

Check Point SME for over inter-connectivity 150 firewalls Check Point, Juniper, ASA, PIX

Configuration, support and administration of Palo Alto and Checkpoint and to migrate all gateways and management servers to new hardware and software

Dealing with Infoblox traffic control products to simplify DNS load balancing operations

Configure Cisco ASR 9001/9010/9910 and Catalyst 6509 routers for L3 Vlans with HSRP

Designed, configured and administrated Silver-Peak WAN Optimization devices.

Implemented Site-to-Site VPNs over the Internet utilizing 3DES, AES/AES-256 with ASA Firewalls.

Migrating from Cisco ASA 8.2 version to Cisco ASA 8.4 Version.

Convert PIX rules over to the Cisco ASA solution..

Supporting users in troubleshooting of all software’s used in Development environment & Symantec Antivirus.

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

Installing various patches on Windows Server 2003/2008 to ensure the stability of the server OS

F5 configuration for newly setup web sites and bluecoat ProxySGS.

Bluecoat Proxy single managed deployments hand writing various change scripts and verifying peer scripts

Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls for stable VPNs.

Implementation and maintained intrusion detection/ prevention (IDS/IPS) system to protect enterprise network and sensitive corporate data. For Fine-tuning of TCP and UDP enabled IDS/IPS signatures in Firewall.

Configuration the access-list rules, network object-service group based on well-known port the port i.e. FTP/SFTP, SSH, HTTPS/HTTPS (SSL) and etc.

Deployed a Cisco Identity Services Engine (ISE) solution (wired, wireless, and VPN users) for a commercial client with converged access switches and Cisco ASA firewalls.

Working on Cisco ASR 9001 ASR 1006.

Responsible for Cisco ASA firewall administration across our global networks.

Worked with LAN protocols like STP, RSTP, MST, VTP, VLAN and Port Channel Protocols like LACP.

Used Linux LVS load balancers controlled by custom Perl-based software to access active-active redundant servers

Developed tools using python and Shell Scripting to automate some of menial tasks

Creation of PERL scripts to check the QA of network device configurations via SNMP and configuration file checks

Design and configuring Overlay Transport Virtualization (OTV) on Cisco NX-OS devices like Nexus 7000.

Migration from 6500 series devices to 4500 Series switches in Campus deployments at Core, Distribution and Access Layers.

Implementation on VMware ESXi and VMware Infrastructure.

Hands-on experience with McAfee EPO deploying agent either with EPO.

Responsible in troubleshooting on Cisco ISE added new devices on network based on policies on ISE.

Implementing, configuring and troubleshooting routing protocols such as RIPv2 HSRP, GLBP

Installation & configuration of Microsoft Proxy Server 2.0 & Bluecoat Proxy.

ETC Networks, Hyderabad, India NOV 2012 – MAR 2014

Network Administrator

Responsibilities:

Supported core network consisting of Cisco routers running multi area OSPF. Implemented stub/Totally stub areas as per requirements

Deployed Cisco ACS using TACACS+ for Authentication, Authorization and Accounting of access to network.

Installation, configuration, and testing cisco equipment’s, IOS updates, and configuration changing, troubleshooting various LAN/WAN technologies issues for internal and external clients, monitoring network performance, defining network policies and procedures

Resolve customer WAN/LAN/wireless/load balancing networking issues

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

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

Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550.

Configuring IPsec VPN Site-site, GRE Tunneling and SDM along with troubleshooting.

Firewall and router configuration changes as per the business requirement.

Provide technical assistance and support for incoming queries and issues related to Networks, computers systems, software’s, and equipment’s hardware.

Installed and configured Cisco ASA 5500 series firewall and configured remote access IPSEC VPN on Cisco ASA.

Responsible for Configuring SITE-TO_SITE VPN on Cisco ASA 5500 series firewall between Head office and Branch.

Hands on Experience working with security issue like applying ACL's, configuring NAT and VPN

Documented and Log analyzed the Cisco ASA 5500 series firewall

Worked with Backup team to install and configure networker client on the Linux servers

Evaluating network performance, including availability, utilization, throughput, and latency

Optimized OSPF and EIGRP network reducing network multicast traffic

Troubleshooting SAN related issues and firmware up gradations of SANs in VMware and different environments

Handled installation of Windows NT Server and Windows NT Workstations.

provided systems design, feasibility and cost studies and recommend cost-effective cloud solutions

Installed Linux OS, and configured required network on the virtual machines.

Greatly enhanced network manageability using SNMP, NTP, SSH and SolarWinds

Installed Operating System and configured kernel parameters for Linux /UNIX servers.

Performed configuration and management of network and circuits. Documented and updated network physical and logical layout

Extensive day to day work with Spanning Tree Protocol and multiple VLANs

Shell Networks & Solutions, Hyderabad DEC 2011 - NOV 2012

Network Engineer

Responsibilities:

Maintenance responsibilities included software & hardware installation & configuration

Maintaining and creating login credentials, privacy settings and user privileges for the employees in the company.

Replacement of the older routes and switches with new routers and switches with the configuration set up.

Assigned a task to set up their LAN. Worked on the entire project from cabling to IP addressing assignment.

Configured 2600 series routers with OSPF protocol.

Configured and maintained Cisco 2500, 4000, 7000 and 7500 Series Routers as well as Catalyst 5000 and 5500 Series switches

Responsible for troubleshooting complex networking issues in service provider MPLS & internet

VLAN Configuration to different applications with RSTP, STP, VTP.

Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel.

Configured Cisco IOS Feature Set, NAT and Simple Network Management Protocol (SNMP) for Network Security implementation.

Performed troubleshooting tasks on Routing and switching and isolated the problem and finding the cause.

LAN/WAN hardware including, Ethernet Hubs, Cisco Switches, switch panel's installation, configuration and troubleshooting, Frame-Relay configured support.

Routing related tasks included providing cisco router configuration and change management, providing technical support for Cisco Router configurations and installation for Customer. Configuring IP RIP, EIGRP, OSPF and BGP.

Redistributing from OSPF to RIP and vice versa by implementing hub and spoke topology with a Frame Relay Switch in between • Troubleshoot TCP/IP problems; troubleshoot connectivity issues in multi-protocol Ethernet, Environment.

Configuring static NAT, dynamic NAT, inside Global Address Overloading, TCP overload distribution,

Installed Operating System and configured kernel parameters for Linux /UNIX servers.

Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay).

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