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Network Engineer Resume

SUMMARY

  • Ten years of professional experience in Network Engineering, Performing Network Analysis, Design, Implementing, Capacity Planning with focus on performance tuning and support of large Networks.
  • Experienced in configuring VLANs, STP, VTP, PVST and 802.x authentication in access layer switches.
  • Strong knowledge of HSRP, VRRP Redundancy Protocols.
  • Experienced in Layer 2 Routing protocol configurations: ATM/FRAME RELAY, IP services such as QoS and VPN technologies: IPSec & SSL
  • Experienced with different Network Management Tools and Sniffers like SNMP, and Cisco works to support 24 x 7 Network Operation Center.
  • Experienced in Physical cabling, IP addressing & Subnetting with VLSM using QIP configuring and supporting TCP/IP, DNS, installing and configuring proxies.
  • Experienced in set up, configured and managed of Cisco PIX, ASA, Juniper SA 2500, 4500, 6500.
  • Experienced in Layer 3 Routing protocol configurations: EIGRP, OSPF, BGP, & MPLS.
  • Experienced work on F5 LTM and GTM.
  • Implemented MPLS/VPN services for various customers.
  • Good work Experience with Active Directory.
  • Assisted in managing Windows Active Directory.
  • Worked extensively in Designing, Implementing & Managing LAN, WLAN & WAN solutions for different client setups. In - depth knowledge and experience in WAN technologies including T1, T3, ISDN, HDLC, Point to Point, ATM & Frame Relay.
  • Configured, Installed and troubleshot wireless lan controller and Access point.
  • Ability to Install, Manage & Troubleshoot Large Networks & Systems Administration on Windows & Linux platforms in Development, Staging, Lab & Production Environments.
  • Strong Experience in using various tools for management, analyzing, and troubleshooting, monitoring & process automation in Lab &Production environment.
  • Highly valuable Project Management and Operations Planning skills.
  • Experienced in Cisco Routing, Switching and Security with strong Cisco hardware/software experiences with high end Routers: Cisco 2600, 2800, 3600, 7200, 12000 Series; Catalyst Switches: 4500, 6500, 7600.

TECHNICAL SKILLS

Networking Concepts: OSI Model, TCP/IP, UDP, IPV4, IPv6, Sub-netting, VLSM

Routing Protocols: IGRP, EIGRP, OSPF, BGP, Static Routing

Infrastructure services: DNS, ICMP, SNMP, ARP, Active Directory

Switch Technologies: VLANs, VTP, STP, DTP, MLPPP, MPLS, ISL and dot1q

LAN Protocols: IEEE 802.1q, VTP, STP, RSTP

WAN Technologies: Frame Relay, PPP, HDLC

Security: VPN, NAT/ PAT, access-lists

Firewall : Cisco PIX, ASA, Juniper Secure Access VPN Appliance

Operating Systems: Microsoft Windows Server 2003/2008/2012 , Windows XP/Vista/7/8

Other Technologies : VISIO, VMware, Mat Lab, GNS3, Microsoft Word, Excel, Oracle

PROFESSIONAL EXPERIENCE

Confidential

NETWORK ENGINEER

Responsibilities:

  • Responsible for IOS upgration cisco Switches (2960, 2960s,2960x, 3560 and 3850) from version 12.2 to version 15.2
  • Responsible for configure, monitor and troubleshoot of LAN, VLANs, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel on Cisco IOS Switches (2960, 2960s, 2960sx, 3800,and 4500).
  • Work with fiber Team as a supervisor to monitor and troubleshoot.
  • Implement TCP/IP and related services.
  • Configure High availability SSO in wireless Lan Controller ( 5500).
  • Configure, monitor and troubleshoot of cisco Access point.
  • Experience working with Network management software NSM and HEAT ( Confidential ‘s software Incident mgmt., problem mgmt., change mgmt. etc.)
  • Work on project migrating HP ProCurve to cisco 2960, 2960s, 2960sx, 3800,and 4500.
  • Work on datacenter project migrating HP ProCurve to Nexus 7k.

Confidential

NETWORK ENGINEER

Responsibilities:

  • Responsible for configure, monitor and troubleshoot of LAN, VLANs, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel on Cisco Cato’s and IOS Switches (2960,3500,3570,3850, 4948,6500/E, 7600).
  • Implement TCP/IP and related services like DHCP/DNS/WINS.
  • Set up resources, users, sign in policies in juniper SSl VPN.
  • Hands on experience in configuring and supporting site-to-site and remote access IPsec VPN solutions using ASA firewalls.
  • Configure, monitor and troubleshoot of cisco wireless controller (cisco 3300 and 5500).
  • Configure, monitor and troubleshoot of cisco Access point.
  • Configure and manage Network and Network Security by perform system administration/analysis that includes install/configure proxies, DNS, IP addressing scheme & IP Sub netting with VLSM, configure VLANs & Trunks.
  • Experience working with Network management software NSM and Service now (Regeneron software Incident mgmt., problem mgmt., change mgmt. etc.)
  • Work on datacenter project migrating 6509E to Nexus 7k.

Confidential, Wilmington, DE

NETWORK ENGINEER

Responsibilities:

  • Responsible for configure, monitor and troubleshoot of LAN, VLANs, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel on Cisco Cato s and IOS Switches (3500, 4948,6500/E, 7600) .
  • Implement TCP/IP and related services like DHCP/DNS/WINS.
  • Monitor, manage and resolve all data network circuits. Configured Static, IGRP, EIGRP, OSPF and BGP Routing Protocols on Cisco1600, 2600, 2800, 3600, 7300 series Routers.
  • Perform Troubleshooting and monitor routing protocols such OSPF, EIGRP & BGP.
  • Implement traffic filters on Cisco routes using Standard & Extended access - list.
  • Install and configure Routers, Bridges, Terminal Servers and CSU/DSU have to support WAN links.
  • Negotiate VPN tunnels using IPSec encryption standards and also configure and implement site-to-site VPN, Remote VPN. Work through the ServiceNow ticketing system to update tickets
  • Configure and manage Network and Network Security by perform system administration/analysis that includes install/configure proxies, DNS, IP addressing scheme & IP Subnetting with VLSM, configure VLANs & Trunks.
  • Worked on firewall port open request as per business requirement and help application team for end to end connectivity.
  • Experience with converting PIX rules over to the Cisco ASA 5540 solution.
  • Hands on experience in configuring and supporting site-to-site and remote access IPsec VPN solutions using ASA firewalls
  • Support on F5 LTM, GTM series like 6400, 8800 for the corporate applications and their availability.
  • Support to Configure the F5 GTMs to globally load balance the local brocade or F5 load balancers.
  • Assisted in backup, restoring and upgrading the Router and switch IOS.
  • Configure of HSRP on Cisco routers and troubleshoot
  • Experience on turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
  • Configure, monitor and troubleshoot of cisco wireless controller (cisco 3300 and 5500)
  • Responsible for procurement and installation of Hardware, network drives and other IT infrastructure. Document the design, implement at and troubleshooting procedures with Method of Procedure (MOPS).
  • Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
  • Work with Data network team on Nexus 7010, 5020, 2148, 2248 devices.
  • Perform root cause analysis on the problems coming across Project execution.
  • Implement changes through change management process ITIL Process.
  • Experience working with Network management software NSM and Service now (AZ software Incident mgmt., problem mgmt., change mgmt. etc.)

Confidential, New York

Network Engineer

Responsibilities:

  • Experience with converting PIX rules over to the Cisco ASA solution.
  • Configure RIP, OSPF, BGP and Static routing on Juniper M and MX series Routers
  • Configure Remote Access VPN on Juniper SA 6500, 4500,2500
  • Implement TCP/IP and related services like DHCP/DNS/WINS.
  • Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
  • Design, Implement & troubleshooting of Juniper switches, routers and Firewalls.
  • Juniper: EX-2200, EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240
  • Review, analyzing, approving and executing all changes in the network. All Configurations of Cisco Routers and Switches. Participated in a rotating 24x7 support schedule for the Network operation Center.
  • Monitor, manage and resolve all data network circuits. Configured Static, RIP v1 & v2, IGRP, EIGRP, OSPF and BGP Routing Protocols on Cisco1600, 2600, 2800, 3600, 7300 series Routers.
  • Design and Implement of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel on Cisco Catalyst Switches 3500, 6500, 7600.
  • Perform Troubleshooting and monitor routing protocols such RIP, OSPF, EIGRP & BGP.
  • Design OSPF Areas for reliable Access Distribution and for Core IP Routing.
  • Implement traffic filters on Cisco routes using Standard & Extended access-list.
  • Install and configured Routers, Bridges, Terminal Servers and CSU/DSU have to support WAN links.
  • Configure, Monitor and Troubleshoot Cisco's ASA 5500/PIX security appliance. Configure VLANs/routing/NATing with the firewalls as per the design.
  • Configuer standard and extended access-lists on network.
  • Configure and troubleshooting of HSRP on Cisco routers.
  • Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
  • Manage of Active Directory, DNS, DHCP, Terminal Servers.
  • Plann and design Windows Server 2003 Active Directory infrastructure and support systems, collaborate with corporate executives and vendors to acquire hardware and software within acceptable time periods and within budget.
  • Configure and manage Network and Network Security by perform system administration/analysis that includes install/configure proxies, DNS, IP addressing scheme & IP Subnetting with VLSM, configure VLANs & Trunks.
  • Redistribute route (Network Migration) from RIP to OSPF.
  • Responsible for procurement and installation of Hardware, network drives and other IT infrastructure. Document the design, implementat and troubleshooting procedures with Method of Procedure (MOPS).
  • Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
  • Work extensively on Cisco Firewalls, Cisco PIX (506E/515E/525)&ASA 5500(5510/5540) Series.
  • Experience working with Network management software NSM.
  • Experience in working with Nexus 7010, 5020, 2148, 2248 devices.
  • Perform root cause analysis on the problems coming across Project execution.
  • Implement changes through change management process ITIL Process.
  • Hands on experience on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
  • Involved in deployment of new F5 GTM to replace the existing A10 GSLBs.
  • Configure the F5 GTMs to globally load balance the local brocade or F5 load balancers.
  • Hands on experience in configuring and supporting site-to-site and remote access Cisco, IPsec, VPN solutions using ASA/PIX firewalls, Cisco, VPN client in addition to providing TACACS+ and RADIUS services

Confidential

Network Engineer

Responsibilities:

  • Performed network engineering, design, planning (WAN & LAN) & implementation. Studied single point failures & designed WAN structure in such a way that there were no failures in network in case of any device or link failure.
  • Configured and designed LAN networks with access layer switches such as Cisco 4510, 4948, and 4507 switches.
  • Set up VLANS and configured ISL trunk on Fast-Ethernet channel between Switches.
  • Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router becomes unreachable.
  • Configured Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-21.
  • Implemented, Monitored, Troubleshot and Converged in Frame-Mode MPLS inside the core.
  • Configured VLAN, Spanning Tree, VSTP, SNMP on EX series switches.
  • Understood the JUNOS platform and worked with IOS upgrade of Juniper devices.
  • Designed and implemented security policies using ACL, PIX Firewall.
  • Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series
  • Designed and configured OSPF, BGP on Juniper Routers and SRX Firewalls.
  • Configured routing policy for BGP. switching related tasks including implementing VLANs and configuring ISL trunk and 802.1Q on Fast-Ethernet channel between switches
  • Implemented Cisco IOS Firewall IDS using 2600 series router.
  • Configured RIP, OSPF and Static routing on Juniper M and MX series Routers.
  • Troubleshot network problems with Wire Shark.
  • Configured Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module).
  • Understand the JUNOS platform and worked with IOS upgrade of Juniper devices.
  • Redistributed routing protocols and Frame-Relay configurations.
  • Configured and troubleshot type of routing to route traffic flow per customer requirement as primary, backup/load balanced and load splitting.
  • Performed the maintenance of Active Directory and Replication scheme, DNS/DHCP services and time services; wrote step-by-step procedures for implementing upgrades.
  • Created VIP(virtual servers), pools, nodes and applied iRules for virtual servers like cookie persistency and redirection of the URL.
  • Configured VLANs on a switch for inter-VLAN communication. Configured VLAN Trunking Protocol (VTP) on Core Switches. Configured various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches for STP, VTP Domain, VLAN, Trunking, Fast Ether Channel configuration.
  • Documented all the work done by using Visio, Excel & MS word.

Confidential, Berkeley Heights, NJ

Network Engineer

Responsibilities:

  • Handled Corporate and Review Audits from the perspective of IT Security for Network Devices and Servers under our control.
  • Troubleshot complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
  • Completed lab testing & validation prior to implementation of Nexus 7K, 5K & 2K connecting to blade servers.
  • Installed & configured Microsoft Proxy Server 2.0.
  • Configured, installed, & managed DHCP, DNS, & WINS servers.
  • Carried out performance monitoring & documentation of relevant network segments to ensure data integrity & environmental safety.
  • Provided front end on-call network support 24x7x365 for all network infrastructures in the co-operation.
  • Implemented Site-to-Site VPNs over the internet utilizing 3DES, AES/AES-256 with PIX Firewalls.
  • Upgraded Cisco Routers, Switches and Firewall (PIX) IOS using TFTP.
  • Managed Cisco Routers and troubleshot layer1, layer2 and layer3 technologies for customer escalations.
  • Performed regular backups & tested the backups by restoring in test lab frequently.
  • Designed L2VPN services and VPN-IPSEC authentication & encryption system.
  • Conducted HSRP standby troubleshooting & configured & upgraded Cisco IOS.
  • Installed, Configured and proformed troubleshooting Cisco switches and Firewall on multi-mode context based environments.
  • This includes Artifacts for regular Health Checks, IP and System Integrity, Change management, Problem management, Logical Access Controls, Network Connectivity, Service Registration and Performance Management.
  • Experience with MP-BGP and MPLS LDP protocols.
  • Experience with setting up MPLS Layer 3 VPN cloud and also working with BGP WAN towards customer
  • Enabled continuous Layer 2 monitoring with Solar Winds, so that each site can run independently until connectivity is restored.
  • Responsible for managing activities, Upgrading IOS - Upgrading hardware and installing new devices, Tuning (Configuration), make standardization for the topology.
  • Installation and Configuration of Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy It also includes the configuration of port channel between core switches and server distribution switches.
  • Migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority for purpose of scaling.
  • Responsible for the Global engineering and support of existing network technologies / services and the integration of new network technologies / services.
  • Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
  • Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to Get VPN.

Infocom

Network Engineer

Responsibilities:

  • Involved in the redistribution into OSPF on the core ASA firewall.
  • Prepared documentation for various Vlan’s and Voice sub networks and worked on Visio for the same.
  • Installed and configured DNS and DHCP server.
  • Involved in troubleshooting of DHCP and other IP conflict problems.
  • Performed switching technology administred including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
  • Configured of Access List ACL (STD, Ext, Named) to allow users all over the company to access different applications and blocked others.
  • Configured STP for switching loop prevention and VLANs for data and voice along with Configured port security for users connecting to the switches.
  • Involved in L2/L3 Switching Technology Administrated including created and managed VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
  • Worked on Cisco 6509 and 4507 series switches for LAN requirements that include managed VLANs, Port Security and troubleshot LAN issues.
  • Configured and installed Cisco 2500, 3640, 7200, and 7940 Routers.
  • Troubleshot network bandwidth performance, mismatched framing and line coding.
  • Coordinated with LAN/WAN engineers the development and implements security policy.
  • Monitored usage of network resources with Cisco works, and using sidewinder in PIX Firewall.
  • Defined policies, NAT and anti-spoofing for internal, external networks as well as Internet gateways.
  • Configured remote users to access corporate LAN with VPN connectivity.
  • Configured and installed new IP addresses for new users by using IP Addressing and Subnetting Scheme.
  • Interfaced with various vendors for company products.
  • Configured Frame-Relay, ISDN, ATM, Protocols, & load balancing switches.
  • Configured IPX/SPX, HDLC, PPP, TCP/IP, BGP, EIGRP, RIP, & HSRP.
  • Configured TCP/IP addressing scheme to assigned IP blocks.
  • Designed network architectures and implementation of network Switches.
  • Worked on a migration project which involved the removal of all static routes from core devices.
  • Worked on the redistribution of connected routes on all OSPF devices so that all connected subnets were advertised via OSPF.
  • Worked on Network design and support, implementation related internal projects for establishing connectivity between the various field offices and data centers.
  • Ensured network, system and data availability and integrity through preventive maintenance and upgrade.
  • Supported EIGRP and BGP based PwC network by resolving level 2 & 3 problems with internal teams & external customers for all locations.
  • Involved in the removal of EIGRP from all devices and making OSPF the primary routing protocol.
  • Involved in the modification and removal (wherever necessary) of BGP from the MPLS routers.

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