Engineer Network

SACHIN BASAVARAJAPPA

COMPUTER NETWORK ENGINEER

A dynamic, high-performance and multi-faceted professional with over 8

years' experience in configuration, implementation, design and

troubleshooting network issues in timely manner. Strong background with

network, infrastructure, desktop and communication administration. Self-

motivated with ability to quickly comprehend, co-ordinate, organize,

analyze, troubleshoot and solve simultaneous complex technical issues.

Dedicated network engineer with affinity to work as a team as well as

perform individually.

. Cisco Certified Network Associate (CCNA) and Cisco Certified Network

Professional (CCNP).

. Large-scale application and network migration of the enterprise network

extensive knowledge in developing test plans, procedures and testing

various LAN/WAN/SAN products and protocols.

. Designing and Implementation of L2 and L3 networking protocols.

. Experienced in Server Load balancing user traffic with cisco and F5 load

balancers.

. Upgrading CAT OS and CISCO IOS for switches and routers.

. Familiarity and hands-on capabilities Network Security Solutions such as

Fortinet, Juniper, RSA, CheckPoint, TippingPoint, CISCO, etc

. Prior experience working 24/7 operational environment, to achieve desired

project targets. Possess excellent communication, interpersonal and

presentation skills.

TECHNICAL SKILLS

IP Devices : Routers: Cisco (2500, 3600, 3700, 7200), Juniper

(ACX,MX,LN,SRX,etc)

Switches: Cisco 2900, 3560,

3750, 4500, 6500, N5K (FCoE), N7K (Nexus)

Juniper

22K, 32K, 33K, 42K 62K 82K

Firewalls: Cisco PIX, ASA,

Checkpoint, Palo-alto

Protocols : Layer 3: RIPv2, OSPF, EIGRP, VSS, HSRP, VRRP,

ACL, NAT/PAT, TCP/IP.

Layer 2: VTP, STP, RSTP, MST, VLANs, PAgP, LACP,

802.1Q, ISL.

SAN : VSAN, LAN free Backup, FCoE,

Load Balancer : Big IP F5, Cisco ACE

IPSec/VPN : PIX to Router, Router to Router, PIX to VPN wildcard

client, ASA to ASA, PIX to PIX.

Route filtering : Distribute-list, ACL, Prefix list and Route-

map.

Cryptographic

Algorithms : DES, 3DES, AES, RSA, DSA, SHA, MD5, Diffie-Hellman

Key exchange.

Security Protocols : DHCP Snooping, IP Source Guard, Dynamic Arp

Inspection, 802.1x and VACL's

Technologies : LAN: Ethernet, Fast Ethernet, Gigabit

Ethernet.

Implement Cisco

Secure Access Control Server (ACS) for Tacacs+/Radius

WAN: Frame Relay, ISDN T1/E1 (PRI/BRI), PPP, ATM and

MPLS.

VOIP/Wireless : Cisco Wireless LAN Controller (WLC), Light

Weight Access Point (LAP) and

Cisco IP phones

Operating Systems : Windows and Linux

Network management : Cisco Works, Solar winds, Riverbed,

Wireshark, INFOBLOX, QIP, VISIO, REMEDY

PROFESSIONAL EXPERIENCE

Barclays Capital, Jersey City, NJ

Jan 2013 -Present

Sr. Network Engineer

Working as a Senior Network Engineer for designing, implementing and

troubleshooting of complex environment consisting of high end L2/L3

devices, firewall and WAAS.

. ISSU software upgrade process in the production 6513 Virtual Switching

System (VSS) followed by the chassis replacement with 6513 E.

. Designing, documenting and replacing existing redundant 6506-E Core

switch with ACE and Firewall appliances to perform in VSS mode.

. Implementation of DHCP /DNS at various levels

. Designing and configuring Dynamic queries, alerts, jobs and network

discovery on new Orion solar wind NPM and NCM. Redesigning the views and

nested view group structure to optimize the user experience.

. Designing and expansion of the L2/L3 network in correction centers and

filed offices.

. Designing, configuring and managing F5 load balancers. Troubleshooting F5

for any application related issues.

. Redesigning NTP architecture and implementing the NTP configuration

devices to source the timing from correct stratum.

. Configuring ASA to hide the clients Security Electronics network behind

the firewall.

. Upgrading SNMP from V2C to V3 on network device for authentication and

privacy while polling the devices using Orion Solarwinds.

. Key contributions include troubleshooting of complex LAN/WAN

infrastructure that include routing protocols EIGRP, OSPF & BGP.

. Trouble shooting the issues of OSPF Vlan connectivity through the transit

area, also resolving the issues with OSPF Neighbors negotiation

. Trouble shooting Some complex Issues with Recursive failure with BGP.

. Streamlined the process of Network replacement life cycle such as Network

assessment, proof of concept, building material, budgeting, procuring,

testing and implementation.

. Used NETQOS for monitoring and troubleshooting.

. Coordinating with the field staff for change implementation and

troubleshooting complex networking issues.

. Application layer packet analysis using SPAN session and Wireshark.

. Creating HLD and LLD for projects and documenting the changes.

. Proving network support in absence on network operations on a 24x7 basis.

Bristol-Myers Squibb, Princeton, NJ

Oct 2011 - Dec 2012

Sr. Network Engineer

Worked as a Senior Network Engineer in migrating the large data center with

of Nexus 7000, 5000 and MDS 9500 series switches. The challenging work

involved finding the defects/ enhancement suggestions to improve the

existing and future images of LAN and SAN switches.

. Provided network support for the large-scale network migration for

setting up a new Data center as well as the DR site. Project task also

involved upgrading, replacing and installing new routers and switches at

85 remote sites.

. Monitoring and troubleshooting network issues between client site and 85

remote sites with legacy switches and routers

. Performed and presented network analysis as a part of network migration.

Involved in knowledge transfer to vendors and provided them network

support as required

. Worked as a single point of contact for the whole migration

. Independently able to design and configure Nexus 7K.

. Experience with VPC and QOS technologies

. Configuration and maintenance of EIGRP and BGP network on router 7200 and

6500 MLS.

. Configuration and maintenance of 3750 stack and 6500 VSS for improved

efficiency of the data plane.

. Configuration and management of NEXUS network in the existing network

infrastructure.

. Created LAB setup with 7k and 5K NEXUS switches for application testing.

. Configured Nexus 5K Fiber channel over Ethernet (FCoE) for SAN

connectivity for LAN free backup.

. Configuring Server Load Balancing using CISCO ACE4000 to improve the

resource availability and avoid single point of failure. Working

experience with real servers as well as virtual boxes

. Knowledge of CISCO PIX and ASA for site-to-site and remote-access VPN

connectivity.

. Setting up VLANS and configuring 802.1Q trunk on Fast-Ethernet channel

between switches.

. Managing 3750 stack at client location with 802.1x port based security

for local users.

. IP address management using web tool INFOBLOX.

. Configuration of SNMP and monitoring traffic using tools such as SOLAR

WINDS, CISCO works and RIVER

BED

. Managing changes via REMEDY change management ticketing process.

. Creating MOP (method of procedure) for all configuration changes.

. Creating future state network diagram as a part of migration deliverables

using VISIO and updating the master document with completion of every

wave of migration.

. Interacting with clients and project team on a daily basis for project

planning, scheduling and feedback.

Novartis Pharmaceuticals, Whippany, NJ

Sep 2010 - Oct 2011

Network Engineer

Novartis provided me the responsibility of configuring the maintenance of

large wireless network. Also upgrading the network to Pfizer standards.

Challenging work involved the load balancing and monitoring the traffic

issues.

. Responsible for configuration and maintenance of a collapsed core

network of 90 switches and routers along with maintenance of existing

Wireless network.

. Spear headed the project of migration of Pfizer network for remote

administration and upgrading the network according to Pfizer standard.

. Configuration and maintenance of the routers running on existing EIGRP

and BGP protocol with 7200 router and 6500 core. Also configured route

filtering using distribute list with route maps and ACL's.

. Configured BIG IP F5 load balancer for cluster / server farm load

balancing to increase resource availability and provide redundancy.

. Configuration and administration of ASA and PIX firewall. (Controlling

outbound access using NAT, PAT and IP-sec encryption and security

level for inside network, outside network and DMZ).

. Configuration experience of Fiber Channel Director for supporting

Storage area Network (SAN). Familiarity with TSM tape library handling

and routine backup process.

. Install, maintain, and troubleshoot all issues .Write correlation rules

and monitor .Write documentation

. SME - ArcSight Administration and Analyst (Correlation tool used to

monitor for improper network traffic)

. Configured switches to support Cisco VOIP phones and extended trust

boundary to support end user devices. Configured separate voice Vlan

and Qos parameters for the Cisco phones.

. Light-Weight Access Point (LAP) installation and management using WLC.

Supported existing wireless infrastructure as well as installed new

LAP for extending the user mobility.

. Implemented gateway redundancy using Virtual Router redundancy

Protocol (VRRP) in the core.

. Setting up VLANS and configuring 802.1Q trunk on Ethernet channel

using LACP between switches.

. Maintaining the loop free environment in the network using STP and

guarding the stable STP network using protocols such as Root guard,

UDLD and BPDU guard.

. Implemented Portfast and Uplink fast for a quicker convergence in STP

environment.

. Implemented traffic filters on Cisco routers using Standard and

Extended access-list.

. Network monitoring using GUI such as Cisco Works and Wireless control

system.

. Creation and maintenance of guest accounts for Pfizer wireless

network.

. Responsible for upgrading software and hardware on switches and

routers.

Wavetech, Inc., NYC, NY

Jul 2009 - Sep 2010

Network Engineer

Worked as an network engineer for configuring the and maintaining the data

center for the corporate environment. Showed the skilled work on

configuring the devices with L3 routing protocols. Challenging trouble

shooting environment of with L2 protocols and also the L3 protocols.

. Responsible for configuration and maintenance of switches and routers at

the corporate data center.

. Configuration and maintenance of the network running on OSPF, & BGP at

layer 3. Installed a 3700 router for a new internet connection as well as

6500 and 4500 at the core and distribution layer.

. Responsible for Server load Balancing (SLB) using Cisco ACE-load

balancer.

. Configuring remote access and firewall rules using Cisco PIX. Extensively

used SDM and ASDM for tunnel configuration.

. Design and implemented Frame-relay network with ISDN backup on Cisco 3700

Series Routers.

. Install and configure Routers, Bridges, Terminal Servers and CSU/DSU's to

support WAN links.

. Redistribution of routing protocols and Frame-Relay configuration.

. Implemented SNMP on Cisco routers for network management and

troubleshooting.

. Reconfigured layer 2 networks for RSTP mode and maintained stable STP

architecture using the protocols such as Root guard, BPDU guard and Loop

guard.

. Setting up news VLANS and reconfiguring 802.1q trunk on Fast-Ethernet

channel between switches. Segregating users traffic for optimal use of

available bandwidth.

. Configured link aggregation using PAGP protocol over trunk link.

. Resolved Connectivity issues in multi protocol Ethernet, Token Ring, and

FDDI networks.

. Implemented traffic filters on Cisco routers using Standard and Extended

access-list.

. Network management using Cisco Works.

. IP reservation and management using tools such as QIP.

Stargate Industries, Pittsburgh, PA

Nov 2008 - Jun 2009

Network Engineer

Responsible for maintaining the complex LAN/WAN infrastructure with 3500

series switch. With expert knowledge on creating the network maps for

Network operation center using VISION tools.

. Designed, installed and maintained a complex routed LAN/WAN

infrastructure in West Virginia supporting Dial-up, T1, Frame Relay, ISDN

and 802.11b.

. Configured and installed routers, switches and LWAP at the client's data

center and different IDFs.

. Configured 3500 series routers with EIGRP and BGP for the internet facing

router and as well as for the core switches.

. Working experience with Cisco 3750 and 6500 layer 3 switches. New

switches installed to make network scalable and manageable. Reconfigured

the STP for placing the Root at the center of the network and guarding

the root against unwanted topology changes.

. Redesigned network infrastructures and proposed new changes for existing

layer-2 network to improve bandwidth utilization and segregating the

group traffic.

. Created and maintained network maps for the Network Operation Center

(NOC) using VISIO.

. Managed IP addressing and subnetting using INFOBLOX.

. Configured switches with port security and 802.1x for enhancing customers

security.

. Monitored network for optimum traffic distribution and load balancing

using Solar winds.

. Implemented security measures to keep networks running and secure.

Configured extended ACLs to filter traffic and gave restricted access to

certain users.

. Supervised call center and technician routine maintenance and up-

gradation of network device.

. Provided network and workstation support.

. Interfaced with customers and senior management for problem resolution

and project planning.

ICICI Commercial Bank, Nagpur.

Jun 2006 - Oct 2008

Network Administrator

Huge facility of L2 data center. With responsibility of installing,

maintaining and troubleshooting (3750 tack for IDF's). Also involved in

installing desktop devices for PC,s

. Performed installations, technical support, troubleshooting and

maintenance of network equipment. Managed infrastructure installation

services including network facilities, Information Assurance, Cable

Plant, WAN and BAN/LAN teams.

. Configured 3750 stack for the IDF's and data center for layer 2

reachability.

. Supported and maintained NOC/Co-location facility. Racked, cabled and

network servers and network equipment.

. Assisted in network engineering efforts consistent with the

infrastructure of an Internet Service Provider and support of such

network services. Helped in designing and implementation of VLAN for the

new users.

. Installation and Configuration of various types of Personal Computers and

Printers. Installation of different operating systems on Intel based

PC's.

. Installed Hard disks, Floppy drives, CD Drives, Sound Blaster cards, CPU,

Memory, Power supply unit, Network card, Video graphics card, Hard disk

controller card on PC systems.

. Troubleshooting of personal computers. On line Support to customers

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