Senior Network Engineer
Resume:
Ravi Teja M
********.****@*****.***
SUMMARY:
Over All 9+ years of experience in IP network design, network integration, deployment and troubleshooting.
Extensive knowledge in configuring and troubleshooting Layer 3 Interior Gateway Routing protocols such as Link-State routing protocols (OSPF and IS-IS) and Distance Vector routing protocols (RIPv1, RIPv2 and EIGRP).
Good knowledge in configuring and troubleshooting Exterior Gateway protocols such as BGPv4 including internal BGP (iBGP) and external BGP (eBGP).
Extensive knowledge of WAN technologies such as T1, T3, DS3, OCx, SDH, SONET, LTE, Fiber and Frame relay.
Hands on experience in configuring high-end routers like GSR 12000 series, 7500 series and Catalyst Switches like 7600, 6500, 4500 series.
Extensive experience in upgrade, backup and password recovery of Cisco IOS.
Experience with F5 load balancers – LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
Expertise in Application Centric Infrastructure (ACI) and Network Function Virtualization (NFV), SDN.
Experience in working with Cisco Nexus Switches like 5000 and 7000 series and Virtual Port Channel configuration.
Interconnecting existing DC network infrastructure to newly deployed ACI fabrics in order to allow applications to be gradually migrated from one infrastructure to another, ideally in a non-disruptive manner.
Extensive knowledge in globally recognized ITSM tools like, Service Now, BMC Remedy, HP Service Manager
Handled multiple projects for IT Service Management (ITSM) tools implementation and customization based on ITIL best practices and project management based on PMI best practices.
Configuring and designing Nexus 7018, 7010, 5596, 3K data center routers/switches for redundancy with HSRPv2, VPC's and peer-links.
Replaced / Upgraded Nexus 9K/7K/5K/3k/2K and Catalyst 65xx/V SS/Cisco boxes.
Knowledge and configuration of redundant router protocols like HSRP, VRRP and GLBP.
Substantial knowledge, including the configuration, of Spanning Tree Protocol (STP), Per VLAN Spanning Tree (PVST), Rapid STP (RSTP) and Rapid per VLAN Spanning Tree (PVST+).
Thorough experience in configuring Virtual Local Area Networks (VLAN) with IEEE 802.1Q, VLAN Trunking protocol (VTP), shortest path bridging, Multiple VLAN Registration Protocol and VLAN Cross Connect (CC).
Analyze and execute on established vulnerability management program in place.
Coordinate and collaborate with leadership regarding technical vulnerabilities that may have the potential to impact enterprise-wide operations.
SRX 3K and 5K platforms. Some large-scale migration/deployments, client’s cluster migration from Cisco ASA to SRX
Completed daily/weekly/monthly/quarterly tasks to maintain PCI Compliance.
Served as technical leadership for Cisco Identity Services (ISE) Security Consulting Services projects.
Utilize many technologies such as vSphere, but specialize in Cisco Security and Cisco Meraki devices to service customer networking needs.
Configuring and administering ACL's route-maps, prefix list, distribution-list, access-list and redistribution between routing protocols.
Technical knowledge & proficiency in Windows Servers, VMware and Network Administration, Window Servers.
Hands-on experience with Infoblox DNS, DHCP, IPAM and reporting server.
Setup scripting of various aspects of Tufin management.
Plan, survey, design, deploy, implement Cisco Meraki wireless managed network infrastructure.
Implemented and troubleshoot LAN and WAN technologies (Frame Relay, DSL, ATM, POS, MPLS)
Hands-on experience with WAN (MPLS, ATM/Frame Relay), Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing.
Wireless LAN Controller and Access Point configuration and deployment.
Administered and maintained the Bluecoat Proxy System for the corporation.
Technologies handled were Cisco Routers/Catalyst Switches, HP switches, Sonicwall firewalls, Shoretel Routers/Switches, and Aruba WAPS.
Supported Integration of Riverbed Steelhead-7050 and Interceptor-9350 optimizer appliances into Nexus platforms in Data Centers.
Good knowledge of SDN Concepts, open stack, VxLAN and Plum-grid Platform.
Remove and replace AERONET WAPS with Aruba IAP225’s. Configured Aruba Virtual Controllers and wireless access points and trouble shot connectivity issues through the wireless network.
Solid Experience in Firewall technologies include general configuration, risk analysis, security policy, rules creation on Fortinet.
Experience in Checkpoint Firewalls and VPN, Checkpoint IDS-IPS, McAfee Antivirus Endpoint Protection Solution EPS.
Advanced OSI model knowledge Advanced Layer 3 and Layer 4 packet analysis in-depth, end-to-end, Network troubleshooting and analysis.
Worked on implementing lab for SDN using Cumulus Linux for test-driving part of DC migration to SDN.
In-depth knowledge and hands-on experience in Tier 2 ISP Routing Policies and Firewalls.
Experience in testing Cisco routers and switches in lab scenarios and deploy on site for production.
Good knowledge of IPv4 and IPv6 Addressing, Fixed Length and Variable Length Subnet Masking (VLSM), OSI and TCP/IP models.
Experience in migration of IPv4 addresses to IPv6 addresses using mechanisms like Tunnel Broker, Transport Relay Translation (TRT), NAT64, DS-Lite and DNS64.
Experience in installing and configuring NAT, DHCP server and DNS in large networks.
Experience in configuration of LAN protocols such as Ethernet and Fiber Distributed Data Interface (FDDI) on Cisco Switches.
Implemented traffic filters using standard and extended access-lists, distribute-lists and route maps.
Experience in documenting and preparing the process related operational manuals.
Wide exposure to LAN/WAN setup, installation, configuration and commissioning of network devices.
Good understanding of SNMP, IP SLA and Network Monitoring with experience in tools like PRTG.
Hands on experience with Big IP/F5 load balancer, Cisco ACE load balancer.
TECHNICAL SKILLS
Routers:
Cisco ASR,ISR,7600, 7200, 3800, 3600, 2900, 2800, 2600 series
Routing:
OSPF, EIGRP, BGP, RIP v1/v2, PBR, Route Filtering, Redistribution, Summarization, and Static Routing.
Switches:
Nexus 2K/5K/7K, Cisco Catalyst 6500, 4500, 3850,3650, 3750, 2960
Switching:
LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Etherchannels, Transparent Bridging,vPC, LACP, HSRP, NAT, NTP and QoS.
Network Security:
Cisco ASA 5540, ACL, IPSEC, F5 Load Balancer, Checkpoint
Wireless Technology:
Cisco AP, LWAP, Aruba, Access Points, WCS.
Juniper Platforms
SRX, MX, EX Series Routers and Switches
Platforms:
Data Center Migration, Dynamic Fabric Automation
Load Balancer:
F5 Networks (Big-IP) LTM 8900 and 6400.
LAN:
Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet
WAN:
PPP, HDLC, Channelized links (T1/T3), Fiber Optic Circuits, Frame Relay.
Gateway Redundancy:
HSRP and GLBP
WAN Optimizer
Riverbed Steelhead Appliance viz: SaaS, IaaS
DHCP and DNS
Infoblox
Various Features & Services:
IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP, FTP.
AAA Architecture:
TACACS+, RADIUS, Cisco ACS.
Network Management:
Wireshark, SNMP, SolarWinds
Operating Systems :
Nexus-OS, Cisco IOS-XR, Linux, UNIX (Mac OS).
PROFESSIONAL EXPERIENCE:
CVS Pharmacy Inc. Nov 2017- Present
Scottsdale, AZ
Network Build Engineer
Project Description: In CVS, we have multiple projects to work in parallel, my role in this company is to build new distribution centers based on the architecture design, some projects involve in replacing EOL devices with new devices, few other projects on F5, Infoblox and Wireless LAN Controller. Additional tasks include monitoring performance, troubleshooting network problems, outages, scheduling upgrades, collaborating with network architects on network optimization.
Responsibilities:
Developing network documentation for operational readiness. Provides project support to various (client) facilities, performing work such as configuration and installation of network infrastructure. Working with local vendors to co-ordinate installation of services including circuits for local and other remote sites.
Configuration and deployment of ISR Routers (4300 and 4400 series), Catalyst switches (4500 and 6500 series),3850 (Standalone and Stack) switches in the new and existing client distribution centers and bring them up into production environment. Additional tasks include replacement of legacy 2960s with 3850s in the client network.
Configuring OSPF as interior gateway protocol and BGP as Exterior Gateway protocol with route filtering and route redistribution. Troubleshooting complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF and BGP.
Configuration & troubleshooting of Layer 2 protocols such as Spanning tree protocol, EtherChannel and Layer-2 security (port-security).
Troubleshooting the network issues (Layer-2 and Layer-3) onsite and remotely, depending on the severity of the issues.
Configuring VLANs with 802.1q tagging, HSRP between VLANs, ether channels, and Spanning tree protocol for creating Core/distribution and Access layer switching architecture.
Assisted solutions test team for virtualization, SDN/NFV, WAN, VPN, MPLS, BGP and WAN optimization
Responsible for complete datacenter layout and migration, configured ACI after migration of datacenter using nexus 9k, 7k.
Worked on OTV, LISP for datacenter migration configured Nexus 9k, 7k and ASR-1001-X for the same.
Experience with day-to-day DNS/DHCP, IP Management request fulfillment, adding IP address and Hostname in Infoblox (enabling forward and reverse lookup) and operations of an Infoblox infrastructure. Additional Responsibilities include fulfilling IP requests, consulting to determine technical needs, support DHCP connectivity issues.
Managing the F5 BigIP LTM appliances which includes writing iRules, SSL offload and everyday task of creating VIPs. Additional tasks including assigning IP address from SolarWinds for VIPs and Servers based on the Subnet and Vlan Information.
Supported Infoblox appliances grid environment for DNS, DHCP and IP Address Management tools (IPv4), for the Client enterprise network.
Performed upgrade of Infoblox Grid to current version and applied current licenses.
Worked on F5 BIG-IP LTM 8900, configured profiles, provided and ensured high availability.
Worked on F5 and CSM load balancers deploying many load balancing techniques with multiple components for efficient performance.
Working on wireless LAN controllers Cisco 5508 and Wireless Access points such as Cisco 3500,3600 and 3700 series.
Support third party technologies within the ACI ecosystem such as VMware ESX, OpenStack.
Configuring and creating mobility groups, AP groups and RF Profiles on controllers. Configuring the SSID's for User Wi-Fi, Guest Wi-Fi and Client WLANs with PSK and enabling them for Onsite users and Visitors.
Familiar with wireless network security features 802.11i (WEP, WPA/WPA2, WPA/WPA2-PSK and WPA/WPA2-Enterprise) & Authentication protocols like EAP, PEAP, 802.1x.
Key contributions include deployment of new sites (Layer-3 and Layer-2) and troubleshooting of LAN/WAN infrastructure related issues in customer environment.
Configuration of vPC, vPC+ and Fabricpath on Nexus 3K/5K/7K and 9K.
Deployed and configured Catalyst 6500,3850,3750-X and 3750 switches
Deployed and configured Cisco ASR 1000 and 9000 series routers.
Deployed advanced features like vPC, VDC, Fabricpath, OTV in Nexus and VSS in catalyst 6800.
Validation of latest NX-OS and IOS on LAB before implementing in customer locations.
Involved in the configuration & troubleshooting of VSS and switch stacking configurations.
Configured and implemented ISR, ASR Routers, Catalyst 3850, 3750X, 6800-VSS in lab environment.
Cisco Systems Inc.
Louisville, KY & San Jose, CA Nov 2016 –Oct 2017
Network Security Engineer
Project Description: In this project, we have a Customer Assurance Program (CAP) Engagement/Overall network challenges for error findings in the customer network, recommend the changes and develop the High Level (HLD), Low level (LLD) and Detailed test plan (DTP) for the network re-configuration and implementation. This project includes providing Cisco services to Enterprise Networks. Developed a Cisco Test lab for the client, performing Lab Testing various functions like Configuring, installing, modifying, troubleshooting and backing up of various types of Cisco routers, switches and Nexus devices.
Responsibilities:
Developed a Testing lab as replica to client network systems, performing feature testing, Negative testing and software upgrades on all the devices like ASR 9K, Nexus 7K,6K,3K and other catalyst devices like 6880 and 3750X Using SPIRENT as traffic generator.
Evaluate local area network (LAN) or wide area network (WAN) performance data to ensure sufficient availability or speed, to identify network problems, or for disaster recovery purposes.
Attend new project meeting and understanding the client requirements for network connectivity at new buildings and data centers, or at sites where networks are being enhanced or upgraded.
Implementation of network projects by managing installations, configuration of network devices in lab environment. Preparing change implementation plans, test plans based on customer requirements.
Implemented and troubleshoot LAN and WAN technologies (Frame Relay, DSL, ATM, POS, MPLS)
My job involved site survey and migrating their wireless infrastructure to stadium at ASU campus. It was part of a bigger project as our company also helped them migrate and build the datacenter. I had deployed 2504 WLC and 30 Access Points.
Hands-on, in-depth ServiceNow Platform analysis for ITSM standardization to meet future organizational needs based on ITIL best practices with development resources required.
Logged All access points Mac Address and reported location of access point and WAP information to System Admin.
Wireless LAN Controller and Access Point configuration and deployment.
Knowledge working with SDN test lab on cumulus Linux, Open Stack, Ansible tools.
Setup and installed Tufin cluster in virtual environment. Trained client on usage and reporting of Tufin and Check Point.
Supported the HIPPA Security Team with upgrades, monitoring and compliance issues related to securing the network.
Upgrade ITSM BMC Remedy 5.3 to 7.0. Upgrade process involved upgrading Remedy from 5.3 to 6.1 to 7.1.
Responsible for providing BMC Remedy Administration to operate and maintain BMC Remedy 7.x across the client location.
Created custom normalization and reconciliation requirements documents for the continuous configuration monitoring and management project for BMC Remedy 7.X.
Hands-on experience with WAN (MPLS, ATM/Frame Relay), L2/L3 Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing.
Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs.
Providing support for F5 Load Balancers version 10.2, ASM and APM
Provide second/third level technical support for ACI (Application Centric Infrastructure) technologies.
Troubleshooting issues specific to DNS, DHCP, IPAM, TFTP, FTP, HTTP, Anycast DNS, VRRP, and maintenance of Infoblox Grid.
Identified causes of networking device and end device problems, using diagnostic testing software and equipment (Meraki Dashboard, cable testers, command shell, telnet, Wireshark, IP scanners, GoToAssist console, PuTTY).
Conducted research on current vulnerabilities and exploits using integrated systems as well as publicly available, trusted resources.
Performed load balancing and application level redundancy by deploying F5 BIG-IP LTM 3900.
Perform monthly vulnerability assessments on client’s assets consisting of 1m+ hosts, mitigating risk to sensitive unclassified and classified information.
Configured OSPF and Static routing on Juniper M and MX series Routers.
Completed daily/weekly/monthly/quarterly tasks to maintain PCI Compliance.
Installed and configured wired & wireless networking equipment (Meraki routers and switches (MX 90, MS 220 and MS320) with all other cisco modems, routers, switches. WAPs, & Required Cables).
Providing training for staff regarding protecting secret information using HIPPA standards via Web Hosted conferencing.
Followed company confidentiality policy and procedures, HIPPA, Local and State Rules and Regulations.
Configuration and maintenance of Network Switches and access points (Cisco, Meraki, Dell).
Hands-On experience, with Lab recreate of customer’s environment, with detailed feature testing on multiple Cisco devices and Line-cards, documentation of analysis/findings and formal presentation to the customer’s technical leaders.
Configuring and troubleshooting L3 routing protocols such as EIGRP, OSPF, RIP, BGP; and High Availability on Cisco devices.
Implemented Cisco ASA 5505 for specialized, “off network” internet connectivity for employees and guests using Policy Based Routing on the Nexus.
To provide network consulting optimization services to customers for their Nexus Infrastructure in the Datacenter.
Updated Fortinet firewall with option 150 scripts to allow DHCP and configurations for the Cicso IP Phones.
Configuration of Access List ACL to allow users all over the company to access different applications and blocking others.
Execute the day to day ACL maintenance including setting up new users, managing backup, network monitoring, and server management. Manage the license of users and access level.
Configure and implement Resource Pools, VMware Clusters, HA, DRS, Patch Management using VUM in high-end ESX environments.
Initiated the use of Infoblox csv import tool for improved productivity and mass updates.
Upgraded VCenter and ESXi to 5.5 using VMware Update manager and manual upgrades.
Experience in working and designing configurations for vPC, vPC domain, vPC peer-gateway, vPC peer-switch, auto-discovery, vPC single sided, vPC double sided, NX-OS and fabric path.
Cisco, Phoenix, AZ Apr 2016 –Nov 2016
Network Consulting Engineer
Project Description: In this project, we developed High Level (HLD), Low level (LLD) and Customer Requirements documentations (CRD) for the network re-configuration and implementation. Designed Network infrastructure, deploy hardware/software configuration and installation, backup schedule procedure planning implementing Fusion Core into the network. We established networking environment by designing system configuration, directing system installation, defining, documenting, and enforcing system standards. Increased the network performance by monitoring performance, troubleshooting network problems, outages, scheduling upgrades, collaborating with network architects on network optimization.
Responsibilities:
This Network begins with the deployment of a new “core” infrastructure known as Fusion. Fusion will replace the existing edge environment to provide a centralized routing and segmentation point for zones and organizations moving forward.
Designed Network infrastructure, deploy hardware/software configuration and installation, backup schedule procedure planning for switches, routers etc.
Strong hands on experience in installing, configuring, and troubleshooting of Cisco Nexus 7K as core switches, 6500 switches as distribution and access switches.
Performed VPN/VRF secure designs over BGP enabled MPLS and dedicated WANs.
Worked on configuring Cisco routers and switches, implemented protocols such as OSPF, EBGP, IBGP, STP and VLAN management.
Manage network monitoring system to oversee LAN\WAN Infrastructure for outages and mitigate issues between remote offices connected via VPN and MPLS.
As an ISE Senior lead primary responsible to provide design, consulting and implementation documents to support ISE security services to the client.
Configured routing protocol OSPF, EIGRP, BGP. Configuration of port channel between core switches and server distribution switches was performed.
Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
Worked on F5 BIG-IP LTM 8900, configured profiles, provided and ensured high availability
Knowledge in implementing and configuring F5 Big-IP LTM-6400 load balancers
Used load balancers ACE and load balancing technique with multiple components for efficient performance and to increase reliability through redundancy
Involved in Design Bluecoat Renewals process and Customized Renewals & Track Renewals pages in Bluestore and also experienced in Service Contracts renewals using Custom Single Screen process.
Worked on Nortel DMS-100 and CS-1000/SL-100 switching equipment with customer.
Daily tasks include moves, adds, and changes within the Nortel SL-100, performing proper backups and clearing of alarms if necessary.
Remote support of Cisco and Juniper WAN routers, switches, as well as Riverbed optimizers for Avaya Professional Services Group, based in Client network.
Implementation of Data Center migration from 6500 based data center to Nexus based data center with 7k-5k-2k dual home design with multiple VDC's, VPC, OTV and FEX
Management in the routing protocols of EIGRP, OSPF and BGP at the customer location.
Involved in the removal of EIGRP from all devices and making OSPF the primary routing protocol.
Creation & modification of access list, prefix list & distribution lists, Route-map
NAT (Static & Dynamic).
Key contribution in troubleshooting LAN/WAN structures including EIGRP, multi-area OSPF and
BGP.
Evolving from standard IP subnet FW-based access control to advanced, policy-based access control, which allows deploying new applications into an ACI environment in a more “application-centric” manner.
Supported the HIPPA Security Team with upgrades, monitoring and compliance issues related to securing the network.
Monitored and reported on all security related systems and procedures to determine adherence to HIPPA standards.
Interconnecting existing DC network infrastructure to newly deployed ACI fabrics in order to allow applications to be gradually migrated from one infrastructure to another, ideally in a non-disruptive manner.
Installation, Configuration and Administration of FTP, DNS, DHCP, TFTP, Linux OS under various LAN and WAN environments.
Worked with Infoblox for secure DNS, DHCP and IPAM, Cisco ACE GSS 4400 Series global site selector appliances.
Develop an access list and VLANS to meet user specifications.
Configuring and administering ACL's route-maps, prefix list, distribution-list, access-list and redistribution between routing protocols.
Created and modified Access lists and extended Access list for filtering traffic.
Played responsible role for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services.
Developed design principles, models, plans, internal standards, budgets, and processes based on industry best practices.
Translating Cisco IOS Route maps to Cisco IOS XR routing policies
Working with Cisco Nexus 2148 Fabric Extender and Nexus 5500 series to provide a Flexible Access Solution for datacenter access architecture.
Deployed Palo Alto Networks PAN-5050.
Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning and configuring VLANs/routing/NATing with the firewalls as per the design
Converting Cisco IOS to Cisco IOS XR configurations, Configuring BGP, MPLS in Cisco IOS XR
Configuring Virtual Device Context in Nexus 7010, Working with CISCO Nexus 7000, Nexus 5000, and Nexus 2000 platforms
Working with BGP, OSPF protocols in MPLS Cloud, Hands-on experience with iBGP & EBGP.
Provided support for troubleshooting and resolving customer reported issues.
BB&T, Wilson, NC Jun 2014 –Mar-2016
Sr. Network Security Engineer
Project Description: Designed Network infrastructure, deploy hardware/software configuration and installation, backup schedule procedure planning for switches, routers etc. Developed design principles, models, plans, internal standards, budgets, and processes based on industry best practices. Implementation and configuration of Checkpoint, Cisco ASA firewalls. Installed, configured and administered Cisco networking technologies such as ASA and PIX firewalls, Catalyst switches and wireless controllers and devices. Installed, configured and administered Palo Alto firewalls including migration from ASA.
Responsibilities:
Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Nexus 7k, 5k and Catalyst 6500 switches.
Migrated Distribution switches from Cisco 6509 to Nexus 7010.
Experience working with High performance data center switch like nexus 7000 series.
Experience working with Nexus 7010, 7018, 5020, 2148, 2248 devices.
Involved in the activity of DATA-Center migration of regular Cisco catalyst switches with the new Nexus 2148, 2224T, 5548, 6018, 7010 using F3/M3 line-cards with 10GE & 40GE interfaces and Supervisor 2E.
Involved in the troubleshooting aspects of complex network infrastructure using routing protocols like EIGRP, OSPF and BGP.
As part of Data Center fabric remediation/refresh project, deployed Cisco Nexus switches and implemented features like FEX Links, VPC and VDC.
Configured and deployed VPC between Nexus 7010 and Nexus 5596, 5548 switches along with FEX 2248.
Experience with design and configuring Overlay Transport Virtualization (OTV) on Cisco NX-OS devices like Nexus 7000
Configured Nexus 6509 switches and updated the iOS.
Data center migration of 6509's, nexus 5k, 3750 and nexus 2K switches.
Resolved the errors in all the switches after migration.
To support all Remedy related activities at an enterprise level for BB&T.
Responsible for providing custom application development expertise to ensure existing platform functionality with BMC Remedy Action Request System (ARS), ITSM and Service Request Management (SRM) forms and workflow.
Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks.
Experience converting Cat OS to Cisco IOS on the Cisco 6500 switches.
Designed MPLS VPN and QoS for the architecture using Cisco multi-layer switches.
Cisco IOS experience on 3600/7200 class hardware in complex WAN environment and experience on Cisco OS and IOS on CAT6500 in a complex data center environment.
Hands on experience installing Sup720 for Cisco 6509-E series and its Gigabit Ethernet port deployment in the core network.
Configuring IP, RIP, EIGRP, OSPF and BGP in routers.
Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and backup.
Paths for the packet prioritization and EIGRP tuning.
Experience on a mesh 6500 and 5500 series routers and switches to support the core trading system. Involved.
Environment: Juniper firewalls 5GT, 208, SSG 5, 140, 550, 550M, NSM, IDS/IPS, Nexus 2K, 5K and 7K 500/3750/3550/3500/2950 switches, Juniper (M320, T640), Load balancing, Cisco 7200/3845/3600/2800 routers, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, Ether Channels.
Verizon Wireless, Warren, NJ Feb 2013 – May 2014
Network Engineer
Primary focus of the project is providing network support, configuration, and implementation of Cisco products including routers, switches and firewalls. On-time resolution of network issues and resolving issues relating to network infrastructure and data center is a part of the project. It also involves the transition of IPv4 addresses to IPv6 address scheme.
Responsibilities:
Configured HSRP between VLANs, configuring Ether Channels, Port Channel on 6500 catalyst switch.
Performed data center migration in Access, Distribution and Core layers.
Configured Routing protocols such as RIP, OSPF, EIGRP, MPLS, static routing and policy based routing.
Configured and troubleshot link state routing protocols like OSPF in single area and multiple areas.
Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
Provided Technical Support and solutions for network problems.
Implemented NAT solutions on WAN applications.
Upgraded IOS, troubleshot network outages.
Performed configuration and troubleshot EIGRP and BGP.
Configured Standard, Extended, and Named Access Lists to allow users all over the company to access different applications and blocking others
Planned and implemented Subnetting, VLSM to conserve IP addresses
Configured STP for loop prevention and VTP for Inter-VLAN Routing
Performed troubleshooting of connectivity problems using PING, and Trace route
Provided Technical support for improvement, up gradation, and expansion of the existing network architecture.
Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
IOS upgrade 1900, 2900, 3500 series Cisco Catalyst switches and 2500, 2600, 3600 series Cisco routers using TFTP.
Migrated IPv4 addresses to IPv6 addresses using mechanisms like Tunnel Broker, Transport Relay Translation (TRT), NAT64, DS-Lite and DNS64.
Configured ACLs (Standard, Extended and Named) to allow users all over the company to access different applications and blocking others.
Environment: Cisco 3750/3550/3500/2960 Switches and Cisco 3640/12000/7200/3845/3600/2800 routers, Cisco Nexus7K/5K, 2248/3560/5020/6509, Cisco ASA5510, Checkpoint, Controllers 6000, 3600, 3400, 650, Juniper SRX, Microsoft Lync, MPLS, VOIP,SIP, Cisco Unified Video Conferencing, Unix commands, IPV6, Cisco IP phones, Cisco 5500, 6500 series controller, Avaya3000
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