Haadvitha

603-***-****

adb5ts@r.postjobfree.com

Summary:

Certified Network Consultant with 7+ Years of professional experience in Network Designing, Deployment, Configuring, Troubleshooting, and Testing of networking system

Experience working with High Performance Data Center switches like Nexus 9500, 9300, 7000

Experience working with Nexus 7010,7018, 5020, 2148, 2248 devices

Experience working with Next Generation Palo Alto Firewalls for Large Scale VPN, URL Filtering

Design, implementation, organization and operation of Palo Alto Firewalls like 800 series, 3000, 5000 and 7000.

Experience working with Data Center networks with integrating Palo Alto Firewall to create the Security Perimeter and enable Security Threat Prevention features

Dealt with the escalation problems for Routing, Switching and WAN connectivity issues using ticketing system like Remedy Ticketing System

Working with Cisco for opening TAC Case and resolving issues to meet project deadlines.

Experience with designing, deploying and troubleshooting LAN, WAN, Frame-Relay, Ether-channel, IP Routing Protocols - (RIPV2, OSPF, EIGRP & BGP), ACL's, NAT, VLAN, STP, VTP, HSRP & GLBP

Experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches

Strong hands on experience on PIX Firewalls, ASA (5540/5550) Firewalls, Palo Alto Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS)

Having Experience in Implementation, Administration and Maintenance in multi-vendor platform environments (Cisco, Juniper, F5, PaloAlto)

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

Working knowledge with monitoring tools like Manage Engine OPManager & network packet capture tools like Wire-shark

Experience with working on Netscaler load balancers and their implementation in data center environment

Experience working on Service Now to create and run reports on the assets, creating RITMS and Change Management

Provided 24x7x365 availability and on-call support as required by the projects

Excellent working knowledge of TCP/IP protocol suite and OSI layers

Good knowledge and experience in Installation, Configuration and Administration of Windows Servers 2000/2003, Active Directory, FTP, SFTP, DNS, DHCP, TFTP, Linux OS under various LAN and WAN environments

Technical competencies:

Cisco Switches: Cisco Switches Catalyst 2800, 2900, 3750 and its stacking, 3500, 4000, 4500, 6500, Nexus 9K/7K/ 5K/ 2K – vDC, vPC, VRF,OTV.

Cisco Routers: ISRs/ ASRs/ VXRs/ GSRs family (1700, 1800, 2500, 2600, 3600, 3700, 4000, 7200 & 7600, Meraki MX,

Protocols: TCP, IP, OSPF, BGP, RIP, EIGRP, IGRP, IS-IS, IPv4/ IPv6, VTP, STP, PVST+, RSTP, MSTP, HSRP, GLBP, TCP/ IP, SCCP, PPP, HDLC, FTP, Telnet, SNMP, DHCP, DNS, SMTP, NTP, 802.1q,802.1D&802.1W, BPDU guard, PVST, RPVST+.

Juniper series: EX3300, EX3400, EX4300, EX4600, SRX5800, SRX3600, QFX5100, QFX10002, MX Series edge routers, PTX, ACX routers

Network security: DMVPN, IPsec, L2TP, IKE, ISAKMP, HTTP, HTTPS, ACL, AAA, 2FA, Dell secure works, Defense center IPS/IDS, Source fire 3D3500.

Firewalls: Cisco ASA 5585-X/ 5520, Site-site VPN, Web VPN, NAT, Juniper Net screen SSG/ SRX, Blue coat, Check point, Sonic wall.

Network automation: XML API, NETCONF, YAML, JSON, XML, SLAX, JSD&MGD based automation, Data serialization, Cisco cloud.

Voice: SIP, POTS, INMP, CUCM 8.5, CUC, CER, PBX, VOIP, MGCP&H323 Voice gateways, Voice mail, Call accounting, Voice recording, IMPACT.

Network Monitoring: PRTG, HP Network Node Manager, Solar Winds, wire shark, Splunk, Net XMS, Microsoft Network monitor, Omni, Netscout.

Wireless devices: Cisco 5508, 4404 and WISM wireless controllers, Airo net access points, Aruba network wireless 3600&650 controllers, WCS.

Load Balancers: F5 Big IP LTMs, GTMs, Big IP Virtual editionv12&v13 Riverbed Stingray, I Rules, Custom checks, Cisco ACE/ CSS LB, Open API.

Server: Windows server 2003/2008 R2/2012 Active directory, VMware, V Sphere/ ESXi 5.x&6.x, Hyper-V, Citrix, Oracle VM virtual box.

Documentation: Visio, Slack, Lucid charts, Web sequence diagrams, Jira.

Professional Experience:

Client: T-Mobile Fort Washington, PA Sep 2018 – Present

Position: Sr Network Engineer

Responsibilities:

Attended Sector Add site scoping meetings and prepared preliminary RFDS based on the scoped data and submit for initial approval

Build a new layer for the Sector Add corresponding to the Preliminary RFDS in the ASSET Propagation tool.

Verify the accuracy and consistency between SORT, ASSET, Element, and the RFDS Tool for RF related data fields.

Created CIQ for LTE overlay technologies in the web-based tool

Extensive use of SON tool for PCI/PSC collision and adding utran neighbors for UMTS.

Site level hardware troubleshooting which also includes RET, alarm clearance, RF performance troubleshooting and optimization to bring up the new site.

Monitor performance of all layers of the launched site for a minimum of 7 days/ till handed over to RF with deliverables, after on-air date.

Trouble shoot sites alarms and open TT in PIER, Coordinate site specific troubleshooting issue with PM/ER

Perform initial site and Cluster Level Volte optimization to ensure the main KPI’s (Accessibility, Retainability, Mobility) are within the defined thresholds, in line with the performance of the surrounding sites

Optimize the overlay site and Cluster until the overall performance of the overlay is better than the one before the overlay, KPI’s such as AFR, DCR, Congestion, SINR, Throughput, traffic etc. are met or better.

Deliver an official Site and Cluster Performance Report (7 days after the new site is On Air), which will include before and after site performance statistics (DCR, AFR, SINR, Throughput, etc.). The report will also contain any findings and troubleshooting/optimization done to resolve the issues.

Involved in the 5G site scoping meetings for San Diego market and prepared preliminary RFDS based on the scoped data and submit for initial approval

Worked on the plumbing Diagrams for the approved RFDS.

AT&T, Dallas, TX July 2017 – Aug 2018

Position: Network Security Engineer

Responsibilities:

●Managed Firewalls with Checkpoint, Cisco ASA and reviewed information security requirements, assessed security risks, and defined security requirements.

●Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NAT'ing, NAC product sub-netting, also including DNS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols.

●Analyzing and Managing networking requirements of different environments (VLANs, trunking, multicast, VRFs, OSPF & BGP routing, in a Cisco based environment)

●Worked on lab testing and prod testing to drive the development of Overlay and underlay SDN.

●Understanding of SDN/NFV ecosystem SDN controller with Real-time engagement, support diagnostics, billing and business automation for SDN.

●Experience working with Nexus 2000, 4000, 7000 series

●Setting up Cisco Meraki MX84 and MS 225 in the Lab for testing the new pilot project with the Cisco Meraki

●MS225 switches and also testing the Dongle to allow access to wireless broadband.

●Enterprise Routing experience using protocols RIP v1 & 2, EIGRP, OSPF.

●Implementing security policies using Cryptography, ACL, SDM, PIX Firewall, IPsec, VPN, and AAA security on different series of routers.

●Experience with different Network Management Tools and Sniffers like Wireshark (ethereal), HP-Open view, RSA envision, Netflow to support 24x7 Network Operation Centre.

●Worked on PA-5020, PA-3020 series Palo Alto firewalls and Panorama.

●Installed, Administered, Upgraded, and Deployed the Blue coat proxy servers, content filtering, and policy including the BCAAA (Blue coat Authentication Agent) Servers.

●Proficient in Checkpoint, Palo Alto, F5, Cisco, Juniper, Lucent, Fortinet and Blue coat technologies.

Advance Auto parts LLC., Roanoke, VA Jan 2015-May 2017

Position: Network consultant

Responsibilities:

Network engineer supporting two level one Data Centers, 13 offices and over 1000 clinics with 10000+ associates.

Provided technical solutions to clients on NSX, often resolving production down application P1 and P2 issues with critical financial impact. troubleshooting complex environments with hyper converged and multi-vendor technology stacks.

Configuration of Cisco 800, AIR and WLAN devices, 1900/2900 routers, 3560/3750 switches, ASA’s, ASR’s and Nexus devices

Core infrastructure connected by multi exit points to internet by balanced BGP.10 Gbps core to distribution layer uplinks.

Designed and implemented CNA datacenter solution for SAN and LAN enterprise need. NEXUS 7009/7010 and 5596UP + 2K top-of-rack solution.

Hub and Spoke technology DMVPN and FLEXVPN.

Supporting and managing two internet Gigaman, five point to point Gigaman, nine endpoint Opti-Man, 13 AVPN point and 1000+ MPLS cloud services.

Primary DC running on multi Cisco 6509-E with redundant SUP720s switches, 5 cisco 7206vxr npe-g2, 3 ASR 1002.

All DMZs are protected with different types of firewalls ASAs 5520, 5585-X, IPS and IDS systems. operate and manage over 400 different network devices including (Catalyst 6500s, 4938, 3750s, 2960s, all Cisco router models, NAC, VPN solution- IPSec, SSLVPN, remote, thin, thick) 200+ Cisco APs with Wireless controllers and WCS. Nexus 7K,5K,2K . 20 Gbps OTV between Data Centers. SONET and UVN fiber rings for multi data center connectivity.

Convert campus WAN links from point to point to MPLS and to convert encryption from IP Sec /GRE to Get VPN

Configured and built various Call Handlers per customer needs and specs.

Implemented CER 8.6 for customer’s E911 needs.

Client: Computer Science Corporation, Hyderabad, INDIA June 2012 to May 2014

Position: Network Engineer

Responsibilities

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

Implementation of name resolution using WINS & DNS in TCP/IP environment

Configured FTP server for inside/outside users & vendors

Used various scanning and sniffing tools like Wire-shark

Enabled STP Enhancements to speed up the network convergence that include Port-fast, Uplink-fast and Backbone-fast

Configured network access servers and routers for AAA Security (RADIUS/ TACACS+)

Worked on Cisco routers 7200, 3800, 2800 and Cisco switches 4900, 2900

Key contributions include troubleshooting of complex LAN/WAN infrastructure that include

Configured Firewall logging, DMZs & related security policies & monitoring

Creating Private VLANs & preventing VLAN hopping attacks & mitigating spoofing with snooping & IP source guard

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

Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation

Routing protocols OSPF, RIP & BGP

Configured BGP for CE to PE route advertisement inside the lab environment

Spearheaded meetings & discussions with team members regarding network optimization and regarding BGP issues

Responsible for Configuring SITE_TO_SITE VPN on Cisco Routers between Head Quarters and Branch locations

Certifications:

Cisco Certified Network Associate (CCNA)

Cisco Certified Network Professional (CCNP)

Education:

Masters in Electrical engineering from university of North Carolina – 2016

Bachelors in electrical & electronics communication from acharya Nagarjuna university – 2012

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