Name: S.Gautham Kumar

Email: ac0ffc@r.postjobfree.com

Phone:512-***-****

Summary

Accomplished network and security engineering professional with over five years of real time experience in designing, deploying, migrating and supporting critical multi-site redundant network environments.

Extensive hands-on experience with complex routed LAN and WAN networks, Cisco routers, switches, ASA and PIX firewall deployment.

Extensive knowledge of deploying & troubleshooting L2/L3 TCP/IP, Multilayer Switching, IPSec, UDP, WLAN, MPLS, Multicasting, Ethernet, IP Routing Protocols RIP, OSPF, EIGRP & BGP Cisco routers, switches, ASA and PIX firewall deployment.

Excellent customer management/resolution, problem solving and debugging skills with good verbal/written communications and presentation skills.

IPSEC and SSL VPN's, zone based integration, and analysing syslog's, and utilizing wild fire feature in Panorama 7.1.

Worked on cisco 3900, 2900, 2800, 800, 1700 series routers and 1000 series ASR's.

Worked on cisco 3500, 3700, 2900, 6500, 4500, 3500X series, POE and non-POE switches

Skills

LAN Technologies

VLAN, VTP, vPC, Inter-VLAN routing, STP, RSTP, PVST

WAN Technologies

Frame Relay, ISDN, PPP, ATM, MPLS, exposure to DS1, DS3, OC3, OC12, OC48,

T1 /T3 & E1/E3

WLAN Technologies

Autonomous AP’s, Lightweight AP’s, WLC, WDS, WLSE, Standards– 802.11a, 802.11b, 802.11G

Network Hardware

Cisco and other vendor equipment

Cisco routers (10008, 7200, 3800, 3600, 2800, 2600, 2500, 1800 series), & Cisco Catalyst switches (6500, 4900, 3750, 3500, 2900, series), Cisco Nexus 5000 7000 series ; PIX Firewall 506/515/525/535, ASA Firewall 5520/5550, CatOS, Cisco IOS 11.x, 12.x, PIX OS 6.x, 7.x; Load Balancers (Cisco), Junipers M320, T640,CHECKPOINT firewall

Network Security

NAT/PAT, Ingress & Egress Firewall Design, VPN Configuration(L2 and L3), Internet Content

Filtering, Load Balancing, IDS/IPS, URL Filtering,Cisco ASA,IPsec

Routing Protocols

RIP, IGRP, EIGRP, OSPF, AND BGP.

Infrastructure Services

DHCP, DNS, SMTP, FTP, TFTP, IIS

IP Telephony

SIP, H.323, RTP, voice gateways, CCM

Documentation

MS office

Network Monitoring Tools

Wire shark, Cisco works, vitalqip, View Point

Load Balancers

Cisco CSM, F5 Networks

Experience

Client: DELL, Austin, TX January 2016-Present

Role: Sr Network Engineer.

As a member of Global Data Center Engineering and Development, which is responsible for designing, Implementing and troubleshooting of all kind of network requirements pertaining to the data center.

Design and implementation of the LAN IP infrastructure using Layer 2 / Layer 3 switching, VLAN, vPC, HSRP and Trunking / channeling technologies and routing protocol EIGRP and OSPF.

The data centers consisted of various Cisco platforms Cisco 3550, Cisco 4510, Cisco 6509, Cisco Nexus 5000 & 7010 series switches and LoadBlancer Cisco ACE, CSS and Big IP.

Writing Engineering work orders as per the changes going in data center and implement the changes as per the schedule.

Worked on setup redundancy enabled network for better performance using Cisco Nexus 7k environment. Upgraded network from Nortel to Cisco Nexus environment using nexus 5K FEXs.

Providing support for teams in activities such as Load testing, troubleshooting and managing VIP, Sticky Ness.

Configuring ASA and PIX Firewall to allow site to site VPN access and configuring authentication, encryption, compression, ACL to ensure better security.

Managing Servers using Hardware Load balancer F5 and Cisco ACE load balancer.

Drawing Visio Diagrams using MS Visio for documentation purposes.

Configured and deployed Application based load balancing using F5 LTMs & site level load balancing on F5 GTMs using 3900 & 6900 BIG-IP appliances.

AAA, PAP and CHAP implementation using Cisco Secure ACS (TACACS+, RADIUS)

Configuring all the end ports as access ports using port fast and implementing BPDU guard

Working on Cisco ACS, Cisco works, HP NNMI tools for ticketing system and authentication.

Managed Cisco ASA firewalls and IPS systems using CSM and ASDM.

Configured DMZ for clients on Cisco ASA firewalls.

Implemented firewall rules for users and vendors using Checkpoint R71 firewall.

Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.

Supporting EIGRP and BGP based PwC network by resolving level 2 & 3 problems of internal teams & external customers of all locations.

Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.

Client: Phillips, Monroevill,Pittsburgh January 2015-December 2015

Role: Network Engineer.

Responsibilities:

My accomplishments are Network Administration and Security Infrastructure with Cisco hardware which includes data center and campus network.

Managing Cisco Routers 3600,7200 series routers And Cisco Switches 3800 and 6500 series

Project involved was upgrading Cisco nexus 2000 series switches with Cisco nexus 5000 series switches

Configuring Net Screen Firewall to allow site to site VPN access and configuring authentication, encryption, compression, ACL to ensure better security.

Applied effectively various routing protocols including EIGRP, OSPF and BGP;

Isolate and diagnose network problems, SSH, HTTP, HTTPS, involving TCP/IP, DHCP, DNS, Group Policy, Deployment & support of Microsoft Active Directory Services

Involved in implementation of Wireless LAN, Wireless Access Point and Hotspots for our various clients and troubleshooting of Wi-Fi related problems faced.

Managing Servers using Hardware Load balancer F5 and Cisco ACE load balancer by managing internal customized tools and creating of SSL and Digital Certificates.

Provided support for teams in activities such as Load testing, troubleshooting, and performance tuning.

Configured and deployed Application based load balancing using F5 LTMs & site level load balancing on F5 GTMs using 3900 & 6900 BIG-IP appliances.

Configured static NAT, dynamic NAT, inside global address overloading, TCP overload distribution, overlapping address translation.

Managed enterprise grade server/application load balancing using F5 LTM/GTM.

Implemented IP, RTP, TCP, UDP, IPV4 Packets capture and analysis using WIRESHARK (ethereal).

Client:CITI, Tampa, Florida September 2014-December 2014

Role: Systems/Network engineer

Responsibilities:

Assisted in troubleshooting LAN connectivity and hardware issues in the network.

Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.

Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.

Monitor performance of network and servers to identify potential problems and bottlenecks.

Performed RIP & OSPF routing protocol administration.

Interacted with support services to reduce the downtime on leased lines.

Troubleshoot problems on day to day basis; provide solutions to fix the problems.

Monitor the operability and reliability of the network.

Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.

Managed IP address space using subnets and variable length subnet masks (VLSM).

Worked along with the team in ticketing issues; responsibilities included documentation and

support other teams.

Client: Spice Digital Limited –Hyderabad, IND January2011-May2014

Role: Network Security Engineer

Responsibilities:

Design and Implement DMZ for FTP, Web and Mail Servers with CISCO PIX 506, PIX515

Configured NAT and PAT on the Cisco PIX Firewalls for the Internal Systems

Placed access control list (ACL) on inside and outside interfaces on the PIX Firewall

Configured Turbo ACL

Migration of PIX to ASA

Configured Failover for high availability

Education

Master’s in Information Science and Technology,UMHB,USA.

Bachelor’s of Engineering in Computer Science & Technology, JNTU, India.

Certifications

Cisco Certified Network Associate (CCNA)

Cisco Certified Network Professional (CCNP-Routing)

Contact this candidate