Sunil

acukdl@r.postjobfree.com

732-***-****

acukdl@r.postjobfree.com

Professional Summary:

Over 7+ years of professional experience in Network engineering with Cisco Certified Network Engineer, performing Network analysis, design, Implementing, capacity planning with a focus on performance tuning and support of large Networks.

Experience working on Cisco Catalyst Series 3750, 4500, 4900, 6500; Nexus 2000, 5000, 6000 and 7000 series switches.

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

Strong knowledge in Cisco Routing, Switching and Security with Cisco hardware/software (heavy Cisco shop) experience.

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

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

Responsible for Cisco ASA firewall administration across global networks.

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 working with Cisco Nexus Switches and Virtual Port Channel configuration.

Extensive experience taking copy of Cisco IOS on TFTP server and loading back on routers.

Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.

Involved in configuring of OSPF, BGP on Juniper Routers (MX960, MX480) and SRX Firewalls (SRX240, SRX550).

In-depth knowledge on Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS.

Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a datacenter access architecture and involved in installing, configuring and troubleshooting Juniper EX Switches (EX2200, EX2500).

Enterprise Routing experience using protocols RIP v1 & v2, EIGRP, OSPF and BGP.

Implementing security policies using Cryptography, ACL, ASDM, IPsec, VPN, and AAA Security on different series of routers.

Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.

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 with different Network Management Tools and Sniffers like Wireshark (ethereal), HP-Open view, RSA envision, and Cisco works to support 24 x 7 Network Operation Center.

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

Basic and advance F5 load balancer configurations, including migrating configurations from Cisco ACE to F5 and general troubleshooting of the F5 load balancers.

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

Configure VRRP & GLBP and VLAN Trunking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.

Created network diagram for employees using the Microsoft Visio.

TECHNICAL SKILLS:

Routers : Cisco 2600, 3600, 3800, 7200, 7600, ASR 9001.

Switches : Cisco 2960, 3750, 4500, and 6500 and Nexus 2K/3K/5K/7K series.

Routing Protocols : RIP V1/V2, EIGRP, OSPF, BGP.

Switching : VLANs, VTP, STP, RSTP, PVST+, RPVST, VLAN Maps, Inter

VLAN routing & Multi-Layer Switching, Ether channels (LACP, PAgP),

VSS, VPC, VDC, CEF, DCEF, Port Security.

Gateway Redundancy : HSRP, VRRP, GLBP.

Network Security : Cisco ASA.

Load balancers : F5 BIG-IP, LTM 6900 series, GTM 6400 and 6800 series.

Protocols : IP, TCP, UDP, ICMP, NAT, DNS, DHCP, SNMP, IPSEC, SSL, HTTP,

SSH.

AAA Architecture : TACACS+, RADIUS, Cisco ACS.

LAN Technologies : Ethernet Standards, VLAN, Inter-VLAN Routing, VTP, STP, RSTP,

SMTP,Ether Channel, Port Fast, ACL.

WAN Technologies : Frame relay, (E1/T1/E3/T3) lines, PPP, HDLC, DS3, OC192.

Network Management Tools : NCM, Zenoss, Wireshark, Net flow Analyzer, Solarwinds.

EXPERIENCE

HID Global, Austin, TX Nov 2014 - Present

Sr. Network Engineer

Project was to install and maintain all the necessary equipment for the company to get it up and running. Management of LAN/WAN network and systems of the entire company is also a part of the project.

Responsibilities:

Performed network implementation that includes configuration of routing protocols, leased lines, ISDN lines, VLANs and IOS upgrades and installations.

Configured EIGRP and OSPF as interior gateway protocols with route filtering and route redistribution. Troubleshot complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF and BGP.

Troubleshoot the network issues onsite and remotely, depending on the severity of the issues.

Deployed and decommissioned the VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.

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

Having hands-on experience with WAN (ATM/Frame Relay), Routers, Switches and IP addressing.

Worked with layer 2 switching technology architecture. Implemented L2 and L3 switching functionality, which includes the use of VLANS, STP, VTP and their functions as they relate to networking infrastructure requirements including internal and external treatment, configuration and security.

Configured ASA 5500-X Series firewalls to provide highly secure and high performance connectivity between the site locations.

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

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

Configured and deployed BIG-IP LTM 6900 for providing application redundancy and load balancing.

Configured Client VPN technologies including Cisco’s VPN client via IPSEC.

Troubleshoot issues and outages on Trunks and Router interfaces and firewalls extensively.

Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.

Provided technical assistance for LAN/WAN management & troubleshooting and complex customer issues using Network monitoring tools such as NCM and Zenoss.

Performed Network Address Translation on Cisco ASA 8.2, 8.3 and 9.1 versions.

Used DHCP to automatically assign reusable IP addresses to DHCP clients.

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

Created MOPS (Method of procedures) and sought the approval of peers to perform configuration changes.

Environment: Cisco 7k,5k and 3k switches, Cisco Routers 7200,3800,3600,2800, Cisco catalyst 6500,4500,3750, Network monitoring tools NCM and Zenoss, ASA Firewall 5500-X series, BGP, OSPF, STP,VTP, EIGRP, VPN and NAT 8.2,8.3 and 9.1, ACL, VISIO.

Verisk Health, Raleigh, NC May 2013 – Oct 2014

Network Engineer

Responsible for LAN and WAN maintenance and troubleshooting of the company network. Involved in the Team of Data Center Level 2 support to perform duties like deployment and troubleshooting of Cisco Routers Switches, Load balancer and Firewalls according to the organization requirements.

Responsibilities:

I was part of Data Center design and build team. As part of data center refresh project, I performed migration from Cat 6513 Switches to Nexus 7k.

Worked with the data center planning groups, assisting with network capacity and high availability requirements.

Implemented VPC, VDC on Nexus Switches and also configured FEX.

Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, and LAN security.

Involved in resolving various issues on ASA 5540 and layer 2 and layer 3 issues.

Used BGP for verifying various traffic policies and influencing outgoing, incoming traffic using BGP attributes such as Local Pref., AS Path, Med, Weights.

Configured ASA 5540 to ensure high-end security on the network with ACLs and Firewall.

Acquired excellent troubleshooting skills on 7613 Cisco Router, which include working on ticketing system and change management system to provide, troubleshoot support.

Configured and maintained (2921, 3845, 7204, and 6509) and configured OSPF & BGP Protocols.

Configured and resolved various OSPF multi-area environments, used OSPF as IGP with route filtering and route-redistribution, implemented Stubs/Totally stub areas, implemented features like route summarization and SPF throttling.

Involved in providing access to user machines and partners outside our network by SSL and IPSEC VPN tunneling.

Configured and deployed BIG-IP, LTM-6900 for providing application redundancy and load balancing.

Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.

Used internal network monitoring tools to ensure network connectivity and Protocol analysis tools to assess the network issues causing service disruption.

Environment: Cisco 7k and 5k switches, Cisco Routers 7600,3800,3600,2800,2600, Cisco catalyst 6500,4500,3750, Network monitoring tools Solarwinds and Wireshark, ASA Firewall 5540, F5 BIG-IP and LTM 6900 Load Balancer, BGP, OSPF, STP,VTP, EIGRP, ACL, VPN and NAT 8.2,8.3.

Ardent Mills, CO, Denver Jan 2012 – Apr 2013

Network Support Engineer/L2

Implementing, engineering & level 2 support of existing network technologies / services & integration of new network technologies / services.

Responsibilities:

Managed Data Center Cat 6513 Switches with Supervisor Engine 720-10G and 6904 40G line Cards and also implemented VSS, Worked on 3750, 4500, 6500 series Cisco Catalyst Layer 3 switches, in multi VLAN environment for the implementation of inter-VLAN routing, 802.1Q Trunking, VLAN Trunking between various access-switches and Ethernet channel. Provided Layer – 3 redundancy by implementing HSRP in the network.

Configured 3750, 4500, 6500 series and Cisco Catalyst Layer 3 Switches.

Configured the site to site and remote user access VPN connections.

Worked on 2600, 3500, 7613 Router, implemented OSPF and BGP and performed route filtering and route manipulation by applying distribute-lists, route-maps & offset lists. Majorly was involved in improving OSPF convergence by controlling SPF algorithm and LSA/SPF throttling in the WAN infrastructure.

Used Load Balancers CSM and load balancing techniques for optimum efficiency of Cisco 6500 switches and 7600 routers.

Involved in Network Designing, Routing, DNS, IP Subnetting, TCP/IP protocol.

Part of a team in establishing the WAN network that has primary Leased Line and ISDN as backup source.

Worked on Security issues, VPN, IPSec, NAT, Configuration Standard and Extended Access Control Lists (ACLs) and Firewalls.

Configured IPSec VPN tunneling for client machines to access organization's network.

Involved in troubleshooting Layer-2 & Layer-3 issues on daily basis.

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

Environment: Cisco 5k switches, Cisco Routers 7600, 3800,3500,2800,2600, Cisco catalyst 6500, 4500, 3750, Network monitoring tools Solarwinds and Wireshark, ASA Firewall 5540, LTM 6900 Load Balancer, ACL, BGP, OSPF, SPF, VTP, EIGRP, VPN and NAT.

Convergys, Hyderabad, India Jan 2010- Nov 2011

Network Engineer

Designing and implementing of the LAN IP infrastructure using Layer 2 / Layer 3 switching, VLAN, VTP, STP, Gigabit Ethernet and Trunking / channeling.

Responsibilities:

Converted networks with multiple routing protocols RIP, IGRP, EIGRP into a single OSPF domain, thus providing for future network scalability.

Used Load balancer ACE and load balancing techniques for efficient performance and to increase reliability through redundancy.

Accomplished in the usage of all tools in the TCP/IP protocol suite used with NT Server: DNS, DHCP, WINS, etc.

Provide daily Help Desk support resolving trouble tickets.

Configured, installed software applications, anti-viruses, drivers and security software on user devices, maintained and troubleshoot desktop, laptop and peripheral equipment.

Perform hardware and software diagnostics, fault isolation and coordinate repairs and/or replacement of faulty equipment.

Maintain logs of network and bandwidth utilization of servers and network devices and create utilization report based on the logs

Design network and create physical and logical network layout diagrams.

Write and maintain technical documents describing implemented technologies and architecture.

Provided consultation services to clients for installing and configuring Cisco routers and switches.

Co-ordinate with other internal team and vendors for creating test labs for network environments.

Manage backup of all infrastructure and file server and do the recovery procedure when necessary.

Troubleshoot TCP/IP problems; troubleshoot connectivity issues in Ethernet networks.

Environment: Cisco 2k switches, Cisco Routers 3800,3500,2800,2600, Cisco catalyst 4500,3750, Network monitoring tools Solarwinds and Wireshark, ASA Firewall, VTP, ACE Load Balancer, OSPF, RIP,IGRP, EIGRP and NAT, VISIO.

SYSQ, Hyderabad, India Aug 2008- Dec 2009

Jr. Network Support Engineer

Involved in installing and configuring DNS, DHCP and other services on Windows Server 2003 and upgrading IOS on Cisco Routers and Switches.

Responsibilities:

Provided technical assistance in upgrading IOS on Cisco Routers and Switches.

Configured Access Control Lists to allow only authorized users to access certain applications and block others.

Involved in switching related tasks implementing VLANs.

Assisting senior engineers in troubleshooting TCP/IP issues and connectivity issues in multi-protocol environment.

Perform planning, testing, and evaluate new devices and troubleshooting.

Provided support to user's software, hardware & wireless issues and escalate to second level.

Prepared the Technical specifications in operation manuals.

Installing, repairing and upgrading desktop computers, which include software installation and imaging, and final configuration and testing.

Worked with Remedy Ticketing tool in maintaining and keep a track of logs/monitor.

Designed and implemented IP Addressing, Subnetting, Route Summarization and Route Distributions.

Enabled SNMP traps for our Cacti Monitoring tool to monitor traffic and check the regular health of Servers and Network Devices.

Environment: IP Addressing, Subnetting, ACL’s, Network monitoring tool Cacti and NAT, DNS, DHCP, VISIO.

CERTIFICATIONS

Cisco Certified Network Professional (CCNP).

Cisco Certified Network Associate (CCNA).

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