SUMMARY

• Over Nine years’ experience in information technology, with past eight years “hands - on” focus on Cisco and F5 technologies, specializing in network design, implementation, troubleshooting, integration and monitoring LAN/WAN infrastructures in a multi-protocol networks environment that will improve operational proficiency and reduce total costs of ownership

TECHNICAL SKILLS

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, WirelessWAN: Frame Relay, OC3, MPLS, PPP, T1 /T3

Protocols: TCP, IP, ICMP, IGMP, OSPF, EIGRP, BGP, HSRP, VRRP, SNMP, MLSP, MPLS, VPN, CDP, VLAN, 802.11x, 802.1x, NAT, PAT, QoS, Spanning Tree, Ether channel, PaGP, LACP

Platforms: Cisco IOS (11.x, 12.x), ASA (8.2, 8.4), CAT-OS, LINUX,VMware ESX, VMware Server, Terminal Server

Infrastructure services: DHCP, DNS, SMTP, FTP, TFTP, HTTP, SSL, HTTPSNetwork Equipment: Cisco Routers 2500, 2800, 3620/3640, 3800, 7200 Cisco Switches 2621XM, 3750,4500, 6509, Cisco ACE load balancer, F5 Local Traffic Manager, F5 Global Traffic Manager, Bluecoat ProxyFirewall: Cisco ASA Firewall 5510, 5540, Cisco FWSM, Juniper Netscreen ISG 2000, Solsoft

Operating System: Windows XP, Linux, Windows 7, TMOS

Network Management: Cisco Wireless Control System, HP Openview, Opsware Network Automation, Wireshark, Remedy

Desktop application Software: MS Word, MS Project, MS Access, MS VISIO 2007, Virtual Network Computing (VNC),Team Vewier, VMware, Cisco Anyconnect

PROFESSIONAL EXPERIENCE

Confidential, New York, NY

F5 Engineer

Responsibilities:

• Migrated legacy F5 LTM and GTM appliance to newer version appliances
• Created complex rules utilizing TCL scripting to perform load balancing decisions
• Upgraded GTM modules from version 10 to version 11+
• Configured F5GTM solutions, which includes WideIP, Pool Load Balancing Methods, probers and monitors
• Configured and deployed GEOIP and Topology record on the GTM to load balancing client requests to nearest hosting data center
• Designed and deployed F5 LTM load balancer infrastructure per business needs from the ground up approach
• Configured and deploy LTM for application such as Exchange, 2010, 2013, SharePoint, VMview, using iApp and manually
• Advanced skills of designing, coding, and troubleshooting iRules
• Strong understanding of the different load balancing options & features to include OneConnect, Persistence, SSL offload functions, HTTP profiles
• Strong understanding of the Global Traffic Manager and iQuery functionality between LTM & GTM for a HA design.
• Provided SME Level 3 support and direction for production related issues.
• Deep knowledge of application requirements (such as persistence), understand SSL offload and implementation of SSL certificate and Key, and web acceleration and TCP optimization
• Advance experience with F5 configuration via CLI ( advance shell and traffic management Shell (TMSH) )

Confidential, Mclean, VA

Network Security Engineer / F5 Engineer

Responsibilities:

• Experienced with packet capture analysis (Wireshark, tcpdump) software for troubleshooting
• Configured F5 BiGip to provide Load Balancing for server farm
• Configured SSL offloading, bridging and pass through for custom applications per business needs
• Responsible for High and low Level design as it pertains to load balancing infrastructure and changes
• Deployed code upgrade from version 11.2.1 to version 11.4.1 on the LTMs
• Designed and Deployed F5 LTM load balancer infrastructure per business needs
• Configured and deployed LTM with Inbound SNAT configurations and outbound NAT server to IP mapping.
• Reviewed network design, implementation plans, and customer requested changes
• Provided incident management, and comprehensive troubleshooting for customer generated trouble tickets
• Developed documentation and training presentations for use by the Network, Security, and Firewall Teams on products such as Cisco
• 65XX Series L3 Switches, Cisco, Cisco Wireless Controllers, F5 Load Balancers, BlueCoat Proxy, Cisco ASA 5510, 5540 and FWSM, Juniper netscreen ISG 2000, and Cisco ACE Load Balancers
• Performed security audits of perimeter routers, identifying missing ACL’s
• Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, AAA(TACACS+ &RADIUS)
• Upgraded Cisco Routers, Switches and Firewall (ASA) IOS using TFTP
• Built and maintained Visio documentation database of network topology
• Re-engineered BGP routing (Route Maps, AS-Path prepend, MED, Local Preference) to load balance traffic across multiple ISP’s links
• Responsible for approving, testing, and validating each firewall change request
• Utilize dCisco intrusion prevention systems to detect, block, and remediate security incidents
• Prepared scripts of router, switch, and firewall modifications prior to change control windows
• Increased Layer 2 security by introducing 802.1x, port security, VTP security, storm control, andPrivate VLANS into the network infrastructure
• Segmented layer 2 infrastructure via private VLANS, port security, and protected ports
• Created and maintained VPN infrastructure with Cisco Pix firewalls spanning 25 sites

Confidential, Crofton, MD

Network Engineer

Responsibilities:

• Designed and deployed EIGRP/OSPF configurations, including route distributions and summarizations
• Designed and implemented redundant internet access using BGP4 with multiple ISPs to provide full fault-tolerant internet access services for the company.
• Developed a VLSM (Variable Length Subnet Mask) scheme, using it along with OSPF to create the most efficient flat switch domains.
• Analyzed network traffic pattern and developed a VLAN (Virtual LAN) infrastructure among all switched networks for optimal performance.
• Ensured the effective performance of Spanning-tree Protocol by configuring the appropriate switches as root bridges
• Conducted Wide Area Network design using Frame Relay technologies. Performed backbone network design.
• Configured and troubleshoot the F5 local traffic manager. Performed TCPDump captures for advanced troubleshooting. Enabling Health Monitors on Pool members, Creating virtual servers and implementing Irules
• Implemented and maintained a secure network environment. Configure and maintain Cisco enterprise Firewalls (Layer 2&3) from CLI, ASDM and SSL. Limit and grant access to network devices based on vulnerability compliance.
• Configured and troubleshot WAN links. Maintain and troubleshoot Site to Site and IPSec, encrypted tunnels
• Designed and configure remote VPN IPSec tunnel solutions for travel customers (Cisco Rvpn)
• Configured 6509 FWSM with multiple context.
• Troubleshot network topology with VRF design
• Designed and configured network security architecture using Cisco ASA firewalls and VPN technologies
• Conducted large scale switched VLAN design and implementation.
• Designed and implemented Layer 3 switching architecture.
• Ensured the provision of higher bandwidth as well as avoided frame loops by creating Etherchannels. .
• Monitored problem-reporting system and work network-related tickets
• Created and maintain local, end to end VLANS, Etherchannels and STP.
• Configured network devices for redundancy (HSRP, VRRP)
• Developed and update access lists to meet customers’ specifications
• Configured and troubleshoot routing paths and routing protocols (OSPF, EIGRP, static redistributed routes)
• Developed and implemented VLAN architecture and IP subnet address scheme for client's network
• Installed, configure and troubleshoot Cisco Routers, and Multilayer switches. Create, design and implement local and enterprise area networks.
• Monitored WAN and LAN for circuit outages, network component failure, and user-reported network issues as well as network components such as routers, switches, and firewalls via the Network Management System (HP Open View).
• Provided network support to other companies as well as network maintenance and monitor NMS.

Confidential, New York, NY

NT /Network Administrator

Responsibilities:

• Built, installed, and performed hardware maintenance on server running NT4.0, 2000 servers,
• Traveled offsite and to Disaster Recovery sites to perform maintenance and solve problems With servers and applications
• Evaluation of IT Infrastructure, Operations and Daily Administration
• Designed and implemented a plan to stabilize Tape backup solution.
• Designed and implemented plan for Backup power throughout the entire building.
• Designed plan to re-cable Network Center to solve problems efficiently
• Provided upper-level support for any networking issues
• Created network diagrams and documentation to simplify troubleshooting any network issues
• Reconfigured network equipment to improve network administration
• Configured Cisco switches with IP addresses for remote administration and troubleshooting
• Implemented migration plan of cc: Mail to MS Exchange 5.5.
• Responsible for user data migration, backup and restoring data in Window NT 4.0 environment.
• Setup NT domains, NT Servers, NT workstations and MS exchange Servers.
• Setup NT security and documented server configurations for ongoing operations Windows NT 4.0 Networks.

IT Analyst

Confidential

Responsibilities:

• Imaged new and old PCs and laptop for local and remote branches
• Performed hardware maintenance and software remediation on Windows NT 4.0 and 2000 platforms
• Trouble shot Black berry(s) and other PDA devices
• Configured and installed printers and monitors.
• Managed user accounts via systems administration in Windows NT environment
• Coordinated move for 150 users in the Trader Floor to a new Floor
• Installed, tested, and used software applications such as MS Office, Adobe Acrobat, and bank-owned software and hardware systems including the Dell GX series