Sr. Network Engineer Resume
Detroit, MI
PROFESSIONAL SUMMARY
- 7 Plus years of Experience and having multiple Certifications Cisco (CCNA&CCNP), Juniper (JNCIA) and Experience with in designing, architecting, deploying and troubleshooting Network & Security infrastructure on routers, switches (L2/L3) & firewalls of various vendor equipment.
- Extensive work experience with Cisco Routers, Cisco Switches, Load Balancers and Firewalls.
- Experience in layer - 3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2Kseries, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches
- Expertise in installing, configuring, and troubleshooting of Cisco Routers (3800, 3600, 2800, 2600, 1800, 1700, 800)
- Design and configuring of OSPF, BGP on Juniper Routers (MX960, MX480) and SRX Firewalls(SRX240, SRX550)
- Expertise in configuration of routing protocols and deployment of OSPF, EIGRP, BGP and policy routing over Cisco routers.
- Experience with design and deployment of MPLS Layer 3 VPN, MPLS Traffic Engineering, MPLSQOS
- Experience in adding Rules and Monitoring Checkpoint Firewall traffic through Smart Dashboard and Smart View Tracker applications.
- Configured Client-to-Site VPN using SSL Client on Cisco ASA 5520 ver8.2
- Configured ASA 5520 Firewall to support Cisco VPN Client on Windows 7/XP/Vista.
- Installation, advanced configuration and troubleshooting of Cisco and F5’s load balancing devices.
- Experience with designing, deploying and troubleshooting LAN, WAN, Frame-Relay, Ether-channel, IP Routing Protocols - (RIPV2, OSPF, EIGRP & BGP), ACL's, NAT, VLAN, STP, VTP
- Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP) etc.
- Strong hands on experience on PIX Firewalls, ASA (5540/5550) Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA(TACACS+ & RADIUS)
- Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments
- Knowledge in implementing and configuring F5 Big-IP LTM-6400 load balancers.
- Efficient designing of IP Addressing Scenario using VLSM and Sub netting.
- Configured Security policies including NAT, PAT, VPN’s and Access Control Lists.
- Extensive experience using Microsoft suite like Word, Visio, Excel, PowerPoint
- Excellent technical and project management skills combined with strong communication skills
TECHNICAL SKILLS
Cisco Platforms: Nexus 7K, 5K, 2K & 1K, Cisco routers (7600,7200, 3900, 3600, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series)
Juniper Platforms: SRX, MX, EX Series Routers and Switches
Networking Concepts: Access-lists, Routing, Switching, Subnetting, Designing, CSU/DSU, IPSec, VLAN, VPN, WEP, WAP, MPLS, VoIP, Bluetooth, Wi-Fi
Firewall: PIX Firewall (506/515/525/535), ASA Firewall (5505/5510)
Network Tools: Solar Winds, SNMP, Cisco Works, Wireshark
Load Balancers: A10 Networks(AX2500),Cisco CSM, F5 Networks (Big-IP)
WAN technologies: Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPP, DS1,DS3,OC3, T1 /T3 & SONET
LAN technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q
Security Protocols: IKE, IPSEC, SSL-VPN
Networking Protocols: RIP, OSPF, EIGRP, BGP, STP, RSTP, VLANs, VTP, PAGP, LACP, MPLS, HSRP, VRRP, GLBP, TACACS+, Radius, AAA
Languages: Perl, C, C++, SQL, HTML/DHTML
Operating System: Windows 7/XP, MAC OS X, Windows Server 2008/2003, Linux, Unix
PROFESSIONAL EXPERIENCE
Confidential, Detroit, MI
Sr. Network Engineer
Responsibilities:
- Responsible for designing and implementation of customer’s network and Security infrastructure.
- Involved in complete LAN, WAN, Extranet redesign (including IP address planning, designing, installation, pre configuration of network equipment, testing, and maintenance) in both Campus and Branch networks
- Experience working with MPLS Layer 3 VPN on ASR 9006 with IOS-XR
- Experience with converting Cisco 6500 IOS to Cisco Nexus NX-OS in the data center environment.
- Experience working with Nexus 7010, 5020, 2148, 2248 devices
- Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000
- Experience configuring VPC, VDC and ISSU Software upgrades on Cisco Nexus 7010
- Experience in Configuring, upgrading and verifying the NX-OS operation system
- Responsible for Cisco ASA firewall administration across our global networks
- Support customer with the configuration and maintenance of PIX and ASA firewall systems
- Design, and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
- Configuring IPSEC VPN on SRX series firewalls
- Experience with configuring OTV between the data centers as a layer 2 extension.
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
- Provided Load Balancing towards access layer from core layer using F5 Network Load Balancers.
- 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
- Other responsibilities included documentation and supporting other teams
- Experience working with BGP attributes such as Weight, Local-Preference, MED and AS-PATH to influence inbound and out bound traffic
- Involved in Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing and LAN security.
- Use and maintain routing protocols EIGRP, OSPF and BGP on the Routers in the network & also worked on BGP Route Reflectors, Confederations
- Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router became unreachable.
- Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.
- Experience with convert PIX rules over to the Cisco ASA solution.
- Ability to plan independently and execute producttestingwith quality (White box, Black box testing, Scalability, performance, solution and systemtesting)
- Applies test expertise and experience to craft & execute test plans, conduct negative/exception tests, verification, performance and regressiontestingof RIA, HTML, AJAX, Mobile Web client, integration services, enablers & platforms
- Configuring Virtual Chassis for Juniper switches EX-4200,Firewalls SRX-210
- Implemented HSRP on the Cisco 2948G Layer 3 switches and EIGRP, OSPF on 2 Cisco 2610routers, the Layer 3 switch, 3 Cisco 350XL Switches, Cisco 3524XL switches for load balancing and fail over.
- Configuring ASA Firewall and accept/reject rules for network traffic.
- Extensive knowledge and troubleshooting in data communication protocols and standards including TCP/IP, UDP, IEEE 802.3, Token Ring, Cable Modem, PPPOE, ADSL, Multilayer Switching, DoD standards.
Environment: BMC Remedy, Cisco ASA 5540, BIG-IP LTM 8900, QOS, Policy-maps, Class-maps, Nexus, Vlans, STP, RSTP, PVSTP, VTP, HSRP, Ether Channel, BGP,OSPF,EIGRP, MPLS,ATM,PPP,HDLC. SNMP, TACACS+, DNS, DHCP
Confidential, Framingham, MA
Network Security Engineer
Responsibilities:
- Experience with Supporting both Network and Security infrastructure in data center environment and Campus environment, which involved with devices such as routers, switches, firewalls and wireless access points.
- 3rd level support lead for network security and firewall issues on Checkpoint NGX R71 and Cisco ASA devices
- Experience with moving data center from one location to another location, from Cisco 6500 based data center to both Cisco 6500 & Nexus based data center.
- Strong hands on experience on PIX (506, 515, 525, 535), ASA (5505/5510) Firewalls. Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA(TACACS+ & RADIUS)
- Involved in conversion of PIXfirewall to ASA firewall.
- Experience in adding firewall rules, Network address Translation and also in creating multiple security contexts (virtual firewalls).
- Involved in setting up IP sec VPN between ASA firewalls.
- Experience with implementing Cisco 6500 VSS on the User distribution switches.
- Upgraded IOS on the ASA 5550 5585 5520 firewalls
- Working with MPLS Designs from the PE to CE and also configuring VRF on PE routers
- Experience with designing and deployment of MPLS Traffic Engineering
- Configuring RIP, OSPF, EIGRP BGP, MPLS, QOS, ATM and Frame Relay.
- Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
- Working Knowledge of Cisco IOS, Cisco IOS-XR, Cisco CatOS, Cisco NX-OS, JUNOS
- Experience with configuring BGP in the data center and also using BGP as a WAN protocol and manipulating BGP attributes
- Design and deployment of MPLS QOS, MPLS Multicasting per company standards.
- Implemented site to site VPN in Juniper SRX as per customer.
- Implemented various EX, SRX & J series Juniper devices.
- Experience with deploying Fabric Path using Nexus 7000 Devices
- Experience with configuring VPC, VDC and OTV between the data centers as a layer 2 extension.
- Experience with configuring FCOE using Cisco Nexus 5548.
- Installed controller and light weight access point coordination with JTAC.
- Maintenance and trouble-shooting of LAN, WAN, IP Routing, Multilayer Switching.
- Worked on different phases of testing such as Sanity Testing, Functionality Testing, Smoke Testing, System Testing, Installation Testing, Compatibility Testing, Regression Testing, Stress Testing and UAT Testing.
- Writing Test cases & Test scripts for the application functionality
- Testing routers and modems, troubleshot issues related to broadband technologies for Residential and Business Customers.
- Performing onsite data center support including monitoring electrical power, switch alarms, network alerts and access logs.
- Configuring RIP, OSPF and Static routing on JuniperM and MX series Routers
- Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
- Dealt with monitoring tools like (Solar Winds, Cisco Works), network packet capture tools like Wireshark
- Maintained a Network with more than 600 Network devices, some 25,000 end hosts, and the other Network devices like DHCP, DNS servers, Firewall servers.
- Co-ordination with Hardware vendors, software vendors and service Providers.
- Assisted in backup, restoring and upgrading the Router and switch IOS.
- Attended Team meetings and provided comments on existing network and the recommendations to improve the current network Performance.
- Maintaining the health of 250+ wireless Access points in two locations.
Environment: Cisco routers (7200, 3800, 2800) and Cisco switches (6500, 3700, 4900, 2900), Nexus (7K, 5K & 2K) Routing Protocols (EIGRP, OSPF, BGP), Switching protocols (VTP, STP, GLBP, HSRP), Cisco PIX (525, 535), ASA (5505, 5510) firewall
Confidential, Chicago, IL
Sr. Network Support Engineer
Responsibilities:
- Configuration and Administration of Cisco and Juniper Routers and Switches.
- Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
- Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
- Router/ Microsoft VPN Server in order to access certain limited network resources from customer locations
- Installed and configured four PIX 525 and two ASA 5505 in customer locations. In addition to dat, configured two PIX firewall for the Guest access
- Experience in migration of Frame-relay based branches to MPLS based technology using multilayer stackable switch like 6500 series and 2800 series router
- Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
- Configuring VLANs and implementing inter VLAN routing.
- Testing E911, voicemail, Media gateways.
- Upgrading and troubleshooting Cisco IOS to the Cisco Switches and routers.
- Configure and troubleshoot Juniper EX series switches and routers.
- Configuring Site to Site to VPN connectivity.
- Implementation of HSRP, IPSec, Static Route, IPSEC over GRE, Dynamic routing, DHCP,DNS,FTP.TFTP,RAS
- Involved in configuring Cisco Net flow for network performance and monitoring.
- Involved in designing and implementation of wireless IPT devices.
- Involved in Disaster recovery, like diverting the from one data center to different data center when disaster occurs.
- Involved in configuration of Cisco 6500 ACE switches
- Configuring IPSLA monitor to track the different IP route when disaster occurs.
- Involved in Implementing, planning and preparing disaster recovery.
- Having meetings with the application group and gathering requirements for disaster recovery.
- Involved in configuring Juniper SSG-140.
- Involved in configuring Cisco pix firewall.
- Involved in configuring checkpoint firewall.
- Involved in smart view tracker to check the firewall traffic.
- Troubleshooting hardware and network related problems.
Environment: Juniper firewalls 5GT, 208, SSG 5, 140, 550, 550M, NSM, IDS/IPS 6500/3750/3550/3500/2950 switches, Juniper (M320, T640), Load balancing, Cisco 7200/3845/3600/2800 routers, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, Ether Channels.
Confidential
Network Administrator
Responsibilities:
- Responsible for designing and implementation of customer network infrastructure
- Negotiate hardware and software circuit contracts.
- Configured and troubleshoot OSPF and EIGRP.
- Planning and configuring the routing protocols such as OSPF, RIP, and Static Routing on the routers.
- WAN Infrastructure running OSPF & BGP as core routing protocol.
- Support various routers like 2600/3600/7200 series routers.
- Tested authentication in OSPF and BGP.
- Responsible for Configuring SITE TO SITE VPN on VPN Concentrators series between Head office and Branch office
- Installation & configuration of Cisco VPN concentrator 3060 for VPN tunnel with Cisco VPN hardware & software client and PIX firewall
- Configured Firewall logging, DMZs& related security policies& monitoring
- Worked onCiscoLayer 2 switches (spanning tree, VLAN).
- Hands on experience working with security issue like applying ACL’s, configuring NAT and VPN
- Responsible for Internal and external accounts and, managing LAN/WAN and checking for security
- Network Migrations
- Configuring Cisco and Juniper devices (Router & Switches)
- Dynamic routing protocol configuration (RIP, RIP V2).
- Troubleshooting network problems.
- NAT and IPSec configuration on Cisco Routers.
Environment: CISCO routers and switches, Access Control Server, VLAN, Trunk Protocols, CISCO ASA, DHCP, DNS, Spanning tree.
Confidential
Network Engineer
Responsibilities:
- Provided port binding, port security and router redundancy through HSRP.
- Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.
- Provided testing for network connectivity before and after install/upgrade
- Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet and Gigabit Ethernet channel between switches.
- Configured Cisco Routers for OSPF, IGRP, RIPv2, EIGRP, Static and default route.
- Worked on HSRP for hop redundancy and load balancing.
- Configured the Cisco router as IP Firewall and for NATing Configured RSTP, MST and used VTP with 802.1q trunk encapsulation.
- Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations.
- Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security
- Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation
- Routing protocols OSPF, RIP & BGP
- Implementation of name resolution using WINS & DNS in TCP/IP environment
- Configured FTP server for inside/outside users & vendors
Environment: Cisco 7200/3845/3600/2800 routers, TACACS, EIGRP, RIP, and Vulnerability Assessment tools like Nessus, Red Hat, Solaris, Juniper VPN’s, SSL.