SUMMARY

• A Network Engineer with over 7+years experience in design, installation, configuration, administration and troubleshooting of LAN/WAN infrastructure and security using Cisco devices in large network infrastructure environment.
• In depth knowledge in Network operation, Design, TCP/IP protocol suite, IP addressing, subnetting, network security, CISCO Data Center technologies and protocols.
• Strong experience in configuring CISCO Nexus, Routers, Switches using different routing protocols like RIP, OSPF, EIGRP, BGP, STP, RSTP, PVSTP, VTP, VLANs.
• Strong hands on 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
• Experience in implementing Cisco ASA, Checkpoint Firewalls, IDS/IPS, VPNs, Wireless Networks, VLANs and Security policies in highly secured and redundant networks.
• Strong experience working with 24/7 L2, L3 Support teams, Can provide 24/7 Support and On-Call availability.
• Experience working on WAN Implementation.
• Can offer a diverse and eclectic background in system engineering/administration with various operating systems.
• Experience in Hardware installing, maintaining and managing various rack mounted/Blade servers from Dell, HP, IBM and Cisco UCS. Network Hardware installation and cabling experience.
• Network Security Analysis experience on a large scale using different tools but mainly SPLUNK.
• Knowledge of Juniper Equipment.
• Monitoring Servers Large scale Networks. Performance tuning Server systems.
• Network monitoring using SNMP and other tools such as PRTG, SPLUNK.
• Strong Troubleshooting and problem solving skills. Efficient in diagnosing and troubleshooting complex issues and minimizing the downtime.
• Strong interpersonal skills, Enthusiastic self-starter and team/Individual player, can perform well under pressure.
• Excellent verbal and written communication skills.

TECHNICAL SKILLS

SOFTWARE & TOOLS: Cisco IOS, JunOS, Red Hat Linux, Oracle Solaris, IBM AIX, Free BSD, VMWare, Windows XP/7/2003/2008 Server/Workstation, OpenStack, MS project, Word, Excel, Power point, Visio.

PROTOCOLS & STANDARDS: TCP/IP, VPCs, RIPv2, EIGRP, BGP, OSPF, PPP, HDLC, Frame Relay, ATM, MPLS, STP, VTP, VLAN, NAT/PAT, RSTP, HSRP, GLBP, SNMP, IPsec, LACP, LWAPP, Ethernet, Fast Ethernet, DHCP, DNS, LDAP, AAA.

ENTERPRISE SERVICES: NFS, SAN, DHCP, DNS, SMTP, SNMP, SNMPv3, POP3, FTP, TFTP, DMZ infrastructures.

NETWORK SECURITY: ACLs, IDS, IPS, Policy routing, Checkpoint Firewalls, ASA Firewalls, securing physical LAN.

ENTERPRISE APPLICATIONS: Splunk, Wireshark, Solar Winds, HP Openview, Cisco Work, PRTG, Mat lab, Simulink, SystemVue, Web Methods, Web Logic, Apache Tomcat, IIS, Nagios, Advanced Design Systems (ADS).

PROGRAMMING/SCRIPTING: Shell scripting, Bash, Java Script, Perl, Python

PROFESSIONAL EXPERIENCE

Confidential, Hartford CT

Network Design/Build Engineer

Responsibilities:

• Conduct Technical Review discussions with the Customer on IT Infrastructure requirements
• Detailed documentation of the AS-IS Network Architecture
• Report on the findings on possible causes of Latency Issues, 1Gig capabilities and Expansion options for network in the data center
• Provide new simple and scalable IP Schema for New requirement
• Recommend revised data centers & Remote sites network architecture based on the assessment Study
• Create high bill of material and pricing comparison for new network component proposed
• Recommend network architecture based on the current & future requirements based on the business requirement
• Identify End of Life devices & End of Support devices for the LAN equipment’s of the Data centers.
• Recommend topology changes to existing infrastructure based on current findings
• Responsible for Vendor management For MPLS,VPN circuits
• Design of a highly redundant link over WAN/LAN core networks
• Worked on Nexus 7K/5K implementation in data center environment.
• Migration and Troubleshooting of highly complex Cisco based networks, VPNs and Load Balancing set ups as well large WLAN scenarios
• Implementing new LAN deployments with Cisco Stacks switches, Wireless LAN Controllers and ASA’s
• Implemented Cisco’s Wireless Land Controllers, Wireless Control System
• Predictive and post survey for WLAN(campus, building, floors)
• Bulk provisioning of WLAN controllers (5500, 4400 series)
• WLAN Configuration, Create templates for multiple unique SSID’s
• Remote WAN design/MPLS implementation

Environment: Router series (2800, 3800, 7200) and switch series (3750, 3650, 4509E, 6509E), Cisco ASA (5505, 5510) firewall, Routing Protocols (EIGRP, OSPF, BGP), Switching protocols (VTP, STP), Site to Site VPN

Confidential, San Diego, CA

Cisco Network Administrator

Responsibilities:

• Planning and configuring the routing protocols such as OSPF, EIGRP, RIP, and Static Routing on the routers.
• Configuring and Troubleshooting VLANS and Inter VLAN routing for improving LAN performance.
• Assist the certification team and perform configuration of LAN\WAN technologies such as Ethernet, Fast Ethernet, and Gigabit Ethernet.
• In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Worked with different networking protocols DHCP, DNS, FTP, UDP, VOIP
• Performed cable management, ran post installation LAN connectivity tests.
• Monitor and troubleshoot network using sniffer software to diagnose service affecting issues
• Create and maintain documentation for network
• Responsible for the network infrastructure of 50 campuses and 3 datacenters around the US
• Administered the company's LAN consisting of 5 NT servers and 40 workstations
• Installed, Configured and Administered Microsoft servers

Environment: Cisco Switches: 3560, 2960 series, Routers: 6500 and 7200 series, Access-points: 1100 series, 1250 series, Firewall: PIX 500 series, others: WLSE, ACE, Load Balancers, Frame-Relay, MPLS, Routing protocols.

Confidential, New York City, NY

Network Infrastructure Support Engineer

Responsibilities:

• Configure and troubleshoot Routing protocols (Static and Dynamic (EIGRP, OSPF, BGP)), physical cabling, IP addressing, LAN - WAN Networks and Load balancing.
• Involved in installation, maintenance and support of network equipment (Cisco Routers, Switches and Firewalls). Monitor and Troubleshoot Networks. Primary responsibilities include administering a routed and switched TCP/IP, UDP network maintained 24x7.
• Involved in transiting from EIGRP to OSPF as the primary routing protocol on Enterprise scale.
• Designed and implemented switched highly available LAN IP infrastructure using layer2/layer3 switching, VLANs, VTP, Spanning Tree, Fast/Gigabit Ethernet and trunking/channeling technologies (Catalyst 3550, 3560, 3750, and 4500).
• Implemented traffic filtering using Standard, Extended and Named access-lists, Distribute-Lists, Route Maps and Prefix-Lists
• Redundancy: HSRP, VRRP, GLBP
• Worked with service provider in implementing MPLS infrastructure.
• Coordinated installations and followed up with project managers and end users to ensure acceptable system/network performance once changes were completed.
• Involved in design and implementation of IP addressing as part of new deployment.
• Oversaw migration of WAN links to new service provider using MAN and Dark fiber.
• 24/7 on call support for TX, Alabama branches and Data center.
• Worked on ASA 5505, 5510 models and migration from PIX to ASA.
• Worked on F5 load balancer for minimizing traffic congestion.
• Create, update and modify Microsoft Visio network diagrams and related documents including cable mapping, IP address allocation and switch port assignments.
• Part of team configuring Cisco-based VPN technologies to establish secure remote site connectivity and remote access for mobile workforce.
• LAN/WAN level 3 support (diagnose and troubleshoot layer 1, 2, 3 problems)

Environment: Cisco Catalyst Switches and Routers, Protocol: EIGRP, BGP, HSRP, Cabling: T1, T3, Cisco, Net gear access points, Fiber Optics, MPLS, ACL, NAT, IPSec, STP, VPN, NMS, VLANS, Ethernet Tech.

Confidential, Glen Mills, PA

Network Administrator

Responsibilities:

• Involved in troubleshooting of DNS, DHCP and other IP conflict problems. Implementation of name resolution using WINS & DNS in TCP/IP environment.
• Worked with Different types of Routed and Routing Protocols (TCP/IP, RIP, EIGRP, OSPF, BGP)
• Network designing as per customer applications
• Working with Cisco PIX firewalls and policy routing for security
• Worked with different types of GSM, TDM, TDM over IP/MPLS/Ethernet products, MAP (Multi Service access product) like Multi service Access Node, Multiplexes, Digital service access Device, signaling monitoring application and inverse multiplexes products
• Worked with Voice compression devices of RAD, optimization and VoIP
• Worked with Last Mile products like Modems (G.SHDSL, SHDSL, ADSL), converters, wireless multiplexes.
• Also handled Network Management part, responsible for Connectivity Solution
• Performed LAN Hardware and networking issues (NIC installation)
• Ensured Cisco 3600 and Cisco 1700 series WAN connectivity based on ISDN BRI technology and synchronous serial lines
• Configuration of site to site VPNs
• DNS/DHCP configuration and maintenance
• Installing new office wired LANs
• Connectivity using Different types of media (Fiber, RF, E1, and STM-1)
• Network Monitoring for corporate customers, bandwidth management using traffic shape and rate limit on Cisco routers
• Worked With MPLS Technology
• Participate in 24x7 on-call rotations
• Capacity and performance management of existing infrastructure

Environment: Cisco Catalyst Switches and Routers (3600,2600,2950), Protocol: EIGRP, BGP, HSRP, Cabling: T1, T3, Cisco, Net gear access points, Fiber Optics, MPLS, ACL, NAT, IPSec, STP, VPN, NMS, VLANS, Ethernet Tech.