SUMMARY

• Experienced in working with DATA - CENTER Nexus 7009, 7018, 5548P, 5596T, 2148T, 2224T, 6000 switches.
• Worked on configuring teh Nexus 5K Aggregation Switch and Nexus 2K Fabric Extenders.
• Implemented VDC, VPC, VRF and OTV on teh Nexus 5505 and 7009 switches.
• Extensively worked on Cisco catalyst 6509, 4507, 4510 and implemented VSS on them.
• Detailed understanding of different layer 2 protocols like VLANs, VTP, STP, RPVST Port Security.
• Experience in configuring Routing Protocols EIGRP, OSPF, BGP and RIP.
• Designing Redundancy Gateways for Campus Network using HSRP/VRRP/GLBP.
• Extensive knowledge in teh usage of ether channels for effective usage of bandwidth with aggregation protocols LACP and PAGP.
• Worked with MPLS in establishing peer ship with BGP protocol.
• Experience with route manipulation and route filtration by implementing Off-set lists, distribution-list and access-lists respectively.
• Good amount of knowledge about various WAN technologies such as Frame-Relay, PPP and HDLC.
• Solid understanding of NAT/PAT and experience with assigning static NAT IPs and NAT pools for new projects.
• Worked on migration from a full mesh frame relay to Point-Point T1 and implementation of IPsec VPN.
• Performed security operations on Cisco ASA 5520, 5550 firewalls and has good knowledge on Checkpoint.
• Managed enterprise grade server/application load balancing using F5 LTM/GTM.
• Troubleshooting and monitoring application issues using tools like Wire-shark.
• Excellent inter-personal skills with teh ability to work in a team of large members with minimum supervision necessary.
• Experienced in Microsoft Visio creating a detail physical and logical network diagrams.

TECHNICAL SKILLS

LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, LWAPs.

WAN Technologies: HDLC, PPP, Frame Relay, Channelized links (E1/T1/E2/T2).

Routing Protocols: OSPF, EIGRP, BGP, RIP v1/v2, PBR, Route redistribution, Route filtering, Summarization, Static route.

Routers dealt with: Cisco 7606, 7609, 3845, 3660, 2921, 2691, 1812.

Switching Technologies: VLANs, Inter VLAN routing and Port Channels, VTP, Spanning Tree Protocols like PVST+, RSTP+, Multi-Layer Switching, Port security, VSS, CEF and DCEF.

Switches dealt with: Nexus 5548, 5596, 6000, 7009, 7018; Cisco Catalyst 6506, 6509, 4928, 4948, 4507, 4510, 3750, 3560, and 2960.

Network Security Technologies: ASA 5520/5550 and PIX 525 Firewalls, ACL, IPsec, IDS.

Load Balancers: F5 Network (Big-IP) LTM 8900 and 6400.

Redundancy Protocols: HSRP, GLBP, VRRP.

NEXUS Features: VDC, VPC, VRF, FEX, F & M Series line cards.

VPN Technologies: GRE Tunneling, Remote Access VPN, Site-to-Site VPN.

Operating Systems: Windows (98, ME, 2000, XP, Vista, Windows 7, 8.1).

PROFESSIONAL EXPERIENCE

Confidential, NY

Network Engineer

Responsibilities:

• Involved in teh activity of DATA-Center migration of regular Cisco catalyst switches with teh new Nexus 2148, 2224T, 5548, 6018, 7010 using F3/M3 line-cards with 10GE & 40GE interfaces and Supervisor 2E.
• Performed migration from Legacy Catalyst 6509 with SUP-720, Catalyst 4507 with SUP-6 to Nexus 7k with SUP-2E as part of teh data center refresh.
• Deployed VSS on Cisco Catalyst 6509 switches and provided post-deployment support for issues.
• As part of Data Center fabric remediation/refresh project, deployed Cisco Nexus switches and implemented features like FEX Links, VPC and VDC.
• Configured and deployed VPC, OTV, FABRIC PATH between Nexus 7010 and Nexus 5596, 5548 switches along with FEX 2248.
• Involved in teh troubleshooting aspects of complex network infrastructure using routing protocols like EIGRP, OSPF and BGP.
• Configured and deploying Cisco Catalyst 6506, 4948E, 4510 switches and Cisco 3660, 3845, and 7609 series routers.
• Applied ACLs for Internet access to teh servers using Cisco 5550 ASA firewall and performed NAT.
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.
• Good knowledge and hand on experience of implemented firewall policies on Cisco ASA.
• Performed security operations on Checkpoint firewalls.
• Performed Security operations in terms of pushing new policies and deploying new rules. Performing security troubleshooting in terms of checking ACLs and ACEs and traffic flow analysis using packet capture features.
• Performed load balancing and application level redundancy by deploying F5 BIG-IP LTM 3900.
• Involved in teh configuration and maintenance of IPsec Site-Site VPN.
• Supported in giving access teh User machines and partners exterior to teh network using IPsec VPN tunneling and SSL.
• Worked on installation, maintenance, and troubleshooting of LAN/WAN (ISDN, Frame relay, NAT, DHCP, TCP/IP, HTTP).
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• Dealt with teh service providers in teh case of WAN outages.
• Responsible for simulating network operations with teh usage of packet analyzer like Wire shark, and use to resolve tickets whenever their is an issue.
• Had hands on experience in configuring and implementing Prefix-lists, Route-maps, Ether-channels.

Confidential, Quincy, MA

Network Engineer

RESPONSIBILITIES:

• Key responsibility of LAN and WAN maintenance and troubleshooting any network related problems.
• Tuned according to teh requirements of teh organization for deploying and maintaining teh routers and switches.
• Performed VSS on cisco catalyst 6500 series switches with SUP-720.
• Deployed GRE tunneling over IPSEC between to data centers.
• Provided high level of security to teh network by installing ASA 5520 along with ACLs.
• Extensively worked on layer 2 features like STP, VLAN, and VTP and implemented them on new switches and used to troubleshoot any issues.
• Tasks included in performing network administration issues like configuring RPVST+, Port security etc.
• Also gave technical support in teh issues which involved tasks of debugging OSPF and HSRP features.
• Dealt with troubleshooting teh EIGRP and OSPF protocols during teh process of migration and establishing new client setups.
• Worked on OSPF using features like TSA, SA, NSSA and route summarization. Configured EBGP/IBGP policies also tested BGP attributes such as Local preference, MED, AS-PATH, Community and Weight.
• Responsible for resolving service request tickets from teh help desk which involved in providing complete technical support.

Confidential

Jr. Network Engineer

RESPONSIBILITIES:

• Documented teh company’s design, implementation and troubleshooting procedures.
• Monitored teh Network performance based on company’s Service Level Agreement (SLA).
• Testing teh new zone for failover capabilities and redundancy. Connected teh Distribution routers to teh Core routers via OSPF areas.
• Configured VLANs with 802.1Q tagging according to teh Server team’s requirements.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Performed IOS upgrades on various catalyst series switches and maintained latest IOS versions according to company’s policy.
• Responsible for cabling and labeling based on day to day requirement, and Racking & Stacking of various network equipment and made sure that their are no connectivity issues using ping and tracert.
• Provided Helpdesk support that involved identifying and escalating teh tickets to specific groups.
• Resolving all computer related problems, such as troubleshooting operating system failure, scheduling and updating virus checks on servers and desktops.