SUMMARY:

• Network Engineer with 6+ years of experience in design, installation, configuration, administration and troubleshooting of LAN/WAN infrastructure, wireless, voice and security using Cisco, Juniper, Nortel, Arista, Avocent, Riverbed, and CheckPoint Network equipment . Sound knowledge of Windows based server platforms and network technologies. Have good experience on LAN, WAN, Routing and Switching, server and storage systems, capacity planning, administration, monitoring, troubleshooting, cluster building, back - up and restore planning, operation and maintenance and project management. Have experience working in Financial, Trading, Educational and Telecommunication industries.
• Experience in installation and administration of Arista 7150 series and Cisco 3500, 3600, 3700, 6500, 5500, and Nexus 1-7k series, 3850.
• Experience in installation and administration of Cisco Routers 2800, 3900, 7200, 7600 and Juniper MX5 router.
• Thorough technical knowledge in the design, implementation and operation of TCP/IP networks that includes layers 1-3 routing and switching.
• Experience in installation and administration of Juniper NetScreen 208, N5SGT, SSG5, Checkpoint 4600, UTM-1 Appliances, Cisco ASA 5500 and Cisco Catalyst firewalls, nCircle IDS/IPS and LAN security.
• Experience in installation and administration of Cisco 4400, 5500, 7500 Series wireless controllers.
• Expert in installation and configuration of Riverbed Steelheads and Mobile controllers.
• Monitored and maintained data center facilities and related equipment to meet 100% SLA uptime standards.
• Excellent analytical and trouble-shooting skills.
• Knows programming in Assembly language, C++ Language, Database programming in SQL and Microsoft Access 2007.
• Ability to work with team, work individually with management, peers, customers and vendors.
• Promoted from technical assistant position within two months based on technical troubleshooting skills, positive work ethic, dedication to teamwork and ability to communicate technical concepts to end users.
• Strong time management and communication skills (Written and Oral).

TECHNICAL SKILLS:

Operating Systems: Linux/Unix, MS-DOS and Microsoft Windows NT, 2000, XP, 2003, 2008, Vista, 7, 8 and 8.1.

Applications: Checkpoint SmartConsole, Cisco Works, Corvil, Juniper NSM, OPNET, AceLive, NetVoyance, NetQos, Entuity, EKG, SolarWind and Orion, Riverbed Pilot and Cascade, Remedy - OPAS, IBM Lotus Notes, MS Exchange 2003/2008, Enterprise Server, Symantec End Point Protection Backup and Antivirus, Wireshark, MS Visio 2010 and MS Office 2000/2003/2010/2013 and 360.

Routing: IP routing, BGP, CDP, HSRP, VRRP, IGRP/EIGRP, IPv4/IPv6, MPLS, NAT, RIP, OSPF, ISIS and SNMP.

Switching: Multi-Layer switching, STP, RSTP, PVST+, MSTP, VTP, VPC, VLAN, VRRP, HSRP, GLBP, 802.1Q, 802.1x, QoS, Gigabit LAN, LACP, Frame Relay and PPP.

Security: nCircle IDS/IPS, Switch port Security, ACL, Basic configuration of Juniper Netscreen 208, NS5GT, SSG5, Cisco Catalyst FWS, Cisco ASA 5500, Cisco PIX 500 Series, Checkpoint UTM-1 and 4600 appliances, and IPSec VPN.

Wireless: Cisco Wireless LAN Controllers 4 400 and 55 00.

PROFESSIONAL EXPERIENCE:

Confidential, Sterling, VA

Sr. Infrastructure Security Engineer

Responsibilities:

• Responsible to lead the team of 7 members to ensure all day to day duties and tasks are accomplished and a proper turnover takes place before change of shifts. Follow through any outstanding tasks from previous shifts to completion.
• Respond to DDoS attacks and issues by actively monitoring customer’s traffic using packet captures and Arbor alerts and mitigating any real time attacks in a 24/7 operation environment.
• Provision new customers based on the connectivity method (Detection and Alerting, BGP GRE, DNS proxy, and direct connect) using Juniper MX 50 routers, Netscalers, Arbor Peakflow TMS appliances and UI.
• Proactively identify and eliminate network single points of failure and work with vendors in rectifying the hardware and software issues on any scrubbing center devices.
• Maintain and update detailed SOPs, network diagrams and related documentation.

Confidential, New York, NY

Network Engineer

Responsibilities:

• Troubleshoot and measure client’s latency related issues, market data and order entry gaps using Corvil appliances, Dell 1950 and 26 50 Linux based sniffers and Wireshark and involve stock exchanges technical groups when necessary.
• Implement the design of multicast network built on Arista 7150 series switches, Juniper MX5 and Cisco ME3600, Nexus 3800, 5K and 7K series switches to consume new and modify existing feeds using mix multicast modes over various mediums.
• Perform installation, configuration and maintenances on Juniper Netscreen SSG5, NS5GT Firewalls, Checkpoint UTM-1 and 4600 appliances including IOS upgrades, policy pushes, create / modify rules and setup HA failover capabilities.
• Implement Site to Site VPN with new clients and lead the migration project to Netscreen SSG5 VPN firewalls from Netscreen NS5GT Series Company wide.
• Integrate new clients into company’s network by establishing layer 3 connectivity with clients via cross connects, site-to-site VPN and via using third party vendors present in co-located data center locations. Prepare necessary layer 3 configurations using BGP protocol, route maps, prefix lists, set provisions on the ACLs and CheckPoint 4600 firewalls to enable the communication.

Confidential, New York, NY

Network Support Analyst

Responsibilities:

• Provided technical support and identified and resolved recurring issues in a 24/7 environment.
• Responsible for smart hands support and maintenance in Hub/Headquarter Co-location facility, including racking, cabling, installing network equipment and assisting/escorting third party vendors on site.
• More than 2 years of experience in installing, configuring and troubleshooting of MPLS T1/E1, DS1, DS3 and OC3 data circuits.
• Interpreted and used operating instructions, database information, and system diagrams.
• Installed, operated, supervised, and performed maintenance on Cisco Nexus 1K, 5K and 7K including IOS upgrades, installing licenses and utilizing VDC and VPC features.
• Installed, operated, supervised, and performed maintenance on Cisco 7200, 7600, 6500, 5000, 4500, 3500, 3700, 3800, 3900, 2900, 2800 and Arista 7150 switches including working with TAC in isolating the bugs in the software and implementing TAC’s recommendations.
• Installed, maintained and troubleshoot Cisco wireless controllers 4400, 5500, and 7500 including performing upgrades IOS upgrade to support new AP’s and implementing TAC’s recommendations.
• Managed and maintained global Riverbed platform and upgrade including rules and policy pushes using CMC and CLI.
• Maintained Riverbed Cascades and Opnet services to help support teams in finding end user performance issues for operations.
• Worked with Application supports teams in determining the baselines of the applications using Cascade Shark and Cascade Pilot.
• Tracked and trend bandwidth utilization, prepared reports, crated graph charts, and compiled the reports for senior managements using Cascade Profiler, Opnet Ace Live, and Cisco Works.
• Cohesively worked with interdepartmental group, local access providers, and independent telecom technicians and managers to help isolate troubles and coordinate customer repair dispatches (Including AT&T, Verizon, Cogent, and Sprint etc.).

Confidential, Staten Island, NY

Jr. Network Analyst

Responsibilities:

• Responsible for providing 1st level supports, monitoring and implementing projects in hand.
• Monitored and checked Solarwind, Orion, NetQoS and NetVoyance alarm devices to quickly resolve network issues and provide proactive measures to prevent new network outages.
• Responsible for upgrade of various monitoring software and Cisco and Riverbed IOS Code upgrade.
• Responsible for maintaining the dedicated Internet DS3 circuits and Bandwidth Management.
• System Admin responsibility included multi-domain design and configuration, installation configuration of PDC, BDC, member servers, DHCP, WINS, DNS, creating trust relations, share/NTFS permissions, administering local and global groups, and user administrations.
• Responsible for assisting Sr. Security Engineer in the migration project to Cisco ASA 5500 Series from Cisco PIX 500 Series company wide. Performed maintenances on Juniper Netscreen 208 Firewalls including IOS upgrades.
• Responsible for assisting Telecom team in administrating CUCM and Cisco voice gateways.

Confidential, Jamaica, NY

College Assistant

Responsibilities:

• Point of contact for resolution of desktop/work group-related problems to 300-users.
• Set up and configured workstations and laptops for new employees.
• Assemble, maintain, update and upgrade equipment.
• Ensured network connectivity, installed and tested hardware and software.
• Diagnose and troubleshoot technical issues related to equipment.
• Conducted research on proposed system upgrades and identified potential incompatibilities that led to alternative system purchase.