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Sr. Network Engineer Resume

4.00 Rating

Harrisburg, PA

SUMMARY:

  • Cisco Certified Network Engineer with 7+ years of professional experience in Network engineering, performing Network analysis, design, Implementing, capacity planning with focus on performance tuning and support of large Networks.
  • Experience in Cisco Routing, Switching and Security with strong Cisco hardware/software experiences with Cisco Routers such as 1900, 2900, 3900, Cisco ASR - 1k/9k, Cisco Multilayer Switches 4500, 6500, Cisco Nexus 2k/5k/7k/9k and Juniper: M320, MX80, MX480, MX960 and EX4200, EX8200 switches.
  • Experience in set up, configuration and management of Cisco ASA Firewall in various domain such as Internet, DMZ, Business-Partner and Remote-Access VPN etc.
  • Experience in creating DAP Policies on Cisco ASA for Remote-access users and Creating IPSEC tunnel on ASA with Business Partner Firewall.
  • Experience in configuring and Troubleshooting BIG-IP F5 load balancer LTM
  • Creating Virtual Servers, Nodes, Pools and iRules on BIG-IP F5 in LTM module.
  • Experience in Layer 3 Routing protocol configurations: RIP, EIGRP, OSPF, BGP, & MPLS.
  • Experience in Layer 2 Routing protocol configurations: ATM/FRAME RELAY,IP services such as QoS and VPN technologies: IPSec & SSL.
  • Implemented MPLS/VPN services for various customers
  • Experience in configuring and troubleshooting vPC on Cisco Nexus-5k for downstream FEX and Servers.
  • Experience in configuring VLANs, STP, VTP, PVST and 802.x authentication in access layer switches.
  • Strong knowledge of HSRP, VRRP Redundancy Protocols in high availability environment.
  • Experience with different Network Management Tools and Sniffers like SNMP, HP-Open view, and Cisco works to support 24 x 7 Network Operation Center.
  • 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.
  • Knowledge of advanced technologies like VOIP, H.323, SIP, QOS, Multicasting, MPLS and MPLS-VPN
  • Experience in Physical cabling, IP addressing & subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
  • Access Control Server configuration for RADIUS & TACACS+.
  • 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.

TECHNICAL SKILLS:

IP Routing: RIP, BGP, OSPF, IGRP, EIGRP, Static Routing, IP Addressing and Subnetting, VLSM.

Communication Protocols: TCP/IP, UDP, DHCP, DNS, ICMP, SNMP, ARP, RARP, PPP, HDLC and ISDN.

Redundancy Protocols: GLBP, HSRP, VRRP

Topologies: Frame Relay, ATM, Ethernet, Cable Modem, and Wireless.

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

Network Hardware: Cisco switches (2960, 3550, 3560, 4500, 6509, and 6513)

Network Management Tools: MRTG, HP Openview, Cisco WAN manager, Cisco works 2000.

Security: NAT/PAT, Ingress & Egress Firewall Design, VPN Configuration, Internet Content Filtering, URL Filtering -Web-sense, SSL, IPSEC, IKE, Static, Dynamic, Reflexive ACL, and authentication AAA (TACACS+ & RADIUS).

Firewall: Cisco ASA, Check Point, Juniper SRX

Operating Systems: Windows, UNIX, Active Directory, Linux.

PROFESSIONAL EXPERIENCE:

Confidential, Harrisburg, PA

Sr. Network Engineer

Responsibilities:

  • Dealt with implementation, deployment related to Cisco devices and applying security policies.
  • Troubleshoot issues related to VLAN, VLAN Trunking, HSRP failovers and related issues.
  • Planning for upgrade of IOS on devices and performing the upgrade.
  • Assisted in the architecture, evaluation and recommendations related to purchasing and installing hardware, software related to IP Networking.
  • Responsible for maintaining the entire Routing and switching domain across the campus / Branch to head office and also the Layer-2 campus network across the remote branches which included configuring VLANs and Trunks, Spanning Tree protocol, Port-Security, VLAN-MAPs and DOT1X for switches and Wireless.
  • Monitored network traffic and developed capacity planning initiatives, making necessary recommendations additional resources or hardware.
  • Responsible for creating network documents and Visio drawings for smooth and efficient network operations.
  • Provided Layer-3 redundancy by implementing HSRP and GLBP for High availability
  • Experience configuring VPC, VDC and ISSU software upgrade in Nexus 7010
  • Upgraded load balancers from Radware to F5 BigIP v9 which improved functionality and scalability in the enterprise. Managed the F5 BigIP GTM/LTM appliances to include writing IRules, SSL offload and everyday task of creating WIP and VIPs.
  • Extensive working knowledge in BGP, OSPF, EIGRP, RIP, IS-IS, HSRP, L2/3 VPNs in IOS, IOS XE, and IOS XR platforms.
  • Experience with VOIP and QOS implements and support.
  • Possess a good experience working with the Trouble Tickets on F5 Load balancers.
  • Switching experience includes Cisco Catalyst switches: CISCO 3750, 4500, 6500 series switches.
  • Managing enterprise BGP setup by configuring and troubleshooting BGP related issues. Responsible for adding new BGP peers for remote branch offices and business partners.
  • Worked as part of a team to manage Enterprise Network Infrastructure as a Tier 3 Support Engineer.
  • Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series and ASR 9k, GSR 12K routers and Cisco 2950, 3500, 5000, 6500 Series switches.
  • Configured networks using routing protocols such as OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand infrastructure.
  • Experienced with Juniper: EX-2200, EX-4200, EX-4500, MX-480, and M Series, SRX210, SRX240.
  • Configured BIG IP (F5) Load balancers and also monitored the Packet Flow in the Load balancers.
  • Configured OSPF and BGP on JuniperM and MX series Routers
  • Designed and implemented Cisco Nexus data center platform and worked closely with Cisco advance services and built Communication access zone for contact center services, management access zone for network management and monitoring tools, private wan access zone for remote site and elastic computing access zone.
  • Configured VLAN, Spanning tree, VSTP, SNMP on EX series switches
  • Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
  • Managed and configured Cisco Unity, Cisco Unified Call Manager for 500+ VoIP users
  • Designing and Implementation of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel.
  • Involved in configuring Juniper SSG-140 and Check point firewall.
  • Administration of ASA firewalls in the DMZ and FWSM in the Server Farm to provide security

Confidential, Folsom, NJ

Sr.Network Engineer

Responsibilities:

  • Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to Get VPN.
  • Primary responsibility is to design and deploy various network security & High Availability products like Juniper other security products
  • Worked extensively in Configuring, Monitoring and Troubleshooting Juniper security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls per design
  • Experience working with JUNOS OS on JuniperRouters and Switches and Juniper firewalls
  • Experience working Juniper SRX, J-Series Routers
  • Lead Engineer for Network refresh project for Multinational insurance company. Providing remote Configuring routing protocols OSPF, EIGRP and RIP.
  • Configuring HSRP between VLANs
  • Provided production and testing support for implementing new features for various releases of IOS-XR.
  • Cisco ASR9k ASR1k, 7600, Nexus 7k, 6k 5k, 3560, 3550, 3750, 3400, 2921, 1861, 1921
  • Responsible for 6500, 3500, Nexus 5500-7009 switching, ASA, FWSM Firewalls, CSS and F5 load balancers, Riverbed WAN accelerators, IronPort Proxy, and Linux/Bind DNS servers.
  • Responsible for Cisco ASA firewall administration across our global networks
  • Assistance for replacing exiting switches with new Cisco switches.
  • Data center migration was involved in Access, Distribution and Core layers.
  • Configuring Vlan’s, VTP’s, enabling trunks between switches.
  • Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
  • Configuring routing protocols OSPF, EIGRP,RIP,
  • Experience with convert juniper SRX VPN rules over to the Checkpoint 12000 Boxes, Migration Experienced with SPLAT and Junos.
  • Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.
  • Experience with design and implementation of Data center migration
  • Wrote IOS and CAT OS upgrade procedures and Pre/Post checks for customer production upgrades.
  • Excellent Troubleshooting Skills and Customer Centric approach.

Environment: Cisco 3750 switches and Cisco 3825 Routers, Juniper SRX 240,JUNOS, J-Series 4350 Routers, Checkpoint 12400, Palo Alto 5060, GAIA,RIP, OSPF, VPN

Confidential - Murrysville, PA

Network Engineer

Responsibilities:

  • Installing, Configuring and troubleshooting Cisco Routers (ASR1002X, 3945, 3845, 2800, 3600) and Switches to perform functions at the Access, Distribution, and Core layers.
  • Configuring, upgrading and deployment of Nexus 7010, 5596 and 2248.
  • Installation and deployment of new class 9X and class 10 Server farms in multiple silos.
  • Designing and installing new branch network systems. Resolving network issues, running test scripts and preparing network documentation.
  • Working with Cisco Nexus 2248 Fabric Extender and Nexus 5500 series to provide a Flexible Access Solution for datacenter access architecture.
  • Ensuring problems are satisfactorily resolved in a timely manner with focus in providing high level of support for all customers.
  • Working with wireless technologies troubleshooting and configuration.
  • Working with BGP, OSPF protocols in MPLS Cloud.
  • Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing site-to-site VPN, Remote VPN.
  • Work with Engineering on Server Farm refresh project on consolidation and increasing the bandwidth on Server Access silos.
  • Worked with Cisco advance services to implement data center Nexus environment for new Upgraded the NX-OS in nexus 7018,7010 and nexus 5548 and 5596.Consolidated multi-tiered environment into a pair of Nexus 7000 switches using VPC and VRF
  • Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
  • Configure BGP features such as as-override, Local pre, EBGP load sharing on client connections
  • Configured and resolved various OSPF issues in an OSPF multi area environment between multiple branch routers.
  • Working with Juniper JUNOS on M and MX series routers.
  • Providing daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
  • Configuring HSRP between the 3845 router pairs of Gateway redundancy for the client desktops.
  • Configuring GLBP, VLAN Trunking 802.1Q, STP, Port security on Catalyst 6500 switches.
  • 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.
  • Configuring, Monitoring and Troubleshooting Cisco’s ASA 5500 security appliance, Failover DMZ zoning and configuring VLANs/routing/NATing with the firewalls as per the design.
  • Providing Level 3 support to customers, resolving issues by attending to conference calls.
  • Configuring BGP, MPLS in Cisco IOS XR.
  • Configuring multiple route reflectors within a cluster.
  • Working on HP open view map for Network Management System and Ticketing.
  • Working on a broad range of topics such as routing and switching, dedicated voice access, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercise and core network repairs.
  • Involved in L2/L3 Switching technology administration including creating and maintaining VLANs, Port security, Trunking, STP, Inter Vlan Routing, LAN security.
  • Working on security levels with RADIUS, TACACS+.

Confidential, CA

Network Engineer

Responsibilities:

  • Implemented ISL and 802.1Q for communicating through VTP.
  • Working with Client teams to find out requirements for their Network Requirements.
  • Designing solutions for frozen requirements using Cisco Routers and Switches.
  • Other responsibilities included documentation and support other teams.
  • Performed RIP, OSPF, BGP EIGRP routing protocol administration.
  • Installed wireless access points (WAP) at various locations in the company.
  • Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
  • Migration of RIP V2 to OSPF, BGP routing protocols.
  • Deploying the network infrastructure to meet the requirements
  • Created VLAN and Inter-vlan routing with Multilayer Switching.
  • Completed service requests (i.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, and etc)
  • Providing technical consultancy for better application response using QoS
  • Monitor performance of network and servers to identify potential problems and bottleneck.
  • Real time monitoring and network management using Cisco Works LMS.
  • Provided technical support on hardware and software related issues to remote production sites.

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