Network Engineer Resume
Iselin, NJ
SUMMARY
- 7 years of experience in Designing, Implementation and Operations of Branch, Campus and Data center environment.
- Experience in Networking, including hands - on experience in IP network design providing network support, installation and analysis.
- Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such asEIGRP, OSPF,BGP ability to interpret and resolve complex route table problems.
- Implementation traffic filters on Cisco routes using Standard, extended Access list.
- Expert Level Knowledge about TCP/IP and OSI models.
- In-depth expertise in analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
- Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.
- Experience configuring Virtual Device Context in Nexus 7k, 5k and 2k.
- Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS
- Hands on Experience testing iRules using Browser(IE), HTTP watch, curl, Scripts(shell/batch file/Perl) and host files
- Configuring and testing Multicast for both IPv4 and IPv6 routing in Data Environment
- Technical Knowledge on Cisco DMZ, ASA 5500 series firewalls.
- Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
- Experience in troubleshoot network issues including boundary protection devices, Cisco, Nortel/Avaya and Bluecoat Proxy Servers
- Configuring Cisco routers and switches to enable and troubleshoot a variety of features such as trunk, Vlan, Ether channel, port security, routing protocols including EIGRP, OSPF & BGP and other related technologies such as multicasting, IP Telephony & IP Video.
- Hands-on configuration and experience in setting up Cisco routers to perform functions at the Access, Distribution, and Core layers.
- Experience with F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
- Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, NOKIA Firewalls, Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall.
- Creating and provisioning Juniper SRX firewall policies.
- Experience using Cisco ASR 1K,9K series switches.
- Experience working with JUNOS OS on JuniperRouters and Switches.
- Working knowledge of frame relay, MPLS services, IPSecVPN's, OSPF, BGP and EIGRP routing protocols, NAT'ing, sub-netting, also including DNS, WINS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols.
- Experience in the setup of Access-Lists, and RIP, EIGRP, and tunnel installations.
- Proficiency in configuration of VLAN setup on variousCiscoRouters and Switches.
- Experienced in trouble-shooting both connectivity issues and hardware problems on Cisco based networks.
- Good knowledge and experience in Installation, Configuration and Administration of Windows Servers 2000/2003, Active Directory, FTP, DNS, DHCP, TFTP, Linux OS under various LAN and WAN environments
TECHNICAL SKILLS
Routers: (1800, 2500, 2600, 2800, 3600, 3750, 3800, 7200), ASR 1K and 9K.
Cisco Switches: (2900, 3500, 4000, 4500, 5000, 5800, 6500, 7600 Nexus 2k, 3k, 5kand 7k), MSFC, MSFC2.
Juniper: E series, J series and M series. Juniper SRX & VPN, T -Series, MX-Series Routers.
Routing Protocol: (BGP, OSPF, EIGRP, ISIS, IGRP, LDAP, IGMP, RIP), Routed Protocol TCP/IP, SIP, Multicasting (PIM), 802.1Q.
LAN Protocol: VLAN, PVLAN, VTP, IPX, Inter-VLAN routing, ISL, dot1q, STP, IS-IS, RSTP, MSTP, IPVST, LACP, HSRP, GLBP, VPC, VDC, Ethernet, Port security.
WAN Technology: Frame Relay, ISDN, ATM, WAAS, PPP,ICMP,WiSM Module in 6509, X.25,L2VPN,L3VPN, E1/T1/DS1/DS3
Network Management: SNMP v2,v3, Syslog, HP Open View NNM, Net flow Analyzer, Sniffer, Wireshark, Cisco Works, 3Com Network Analyzer, SolarWinds, Orion.
AAA Architecture: TACACS+, RADIUS, Cisco ACS.
Operating systems: Linux, Unix, DOS, Windows XP/2007/2008,Windows 2003 server and Windows 2008 server
Network Security: NAT/PAT, Ingress &Egress Firewall Design, VPN Configuration Internet Content Filtering, Knowledge of Firewall, ASA, Cisco FWSM/PIX/ASDM, Cisco NAC,IPSec, Nokia Checkpoint NG, SPLAT, IPS/IDS (Snor), IPS 4260.
Application Protocols: DHCP, DNS, FTP, HTTP, SMTP, TFTP.
Documentation: Microsoft Office, Visio
PROFESSIONAL EXPERIENCE
Confidential, Iselin NJ
Network Engineer
Responsibilities:
- Configuration and troubleshooting on HSRP, VRRP, GLBP, RSTP, MST related issues coming innetwork environment
- Configuration and extension of VLAN from one network segment to their segment between Different vendor switches (Cisco, Juniper)
- 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.
- Creating Change Management for Router IOS upgrades and downgrades
- Configuring Firewall logging, DMZs & related security policies & monitoring
- Configuringthe Voice VLAN's (VOIP)andPrioritizing the voice traffic over the data traffic
- Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP
- ConfiguringVRRP & GLBP andVLANTrunking802.1Q, STP, Port Security on Catalyst 6500 switches.
- Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience.
- Experience with Juniper NetScreen 520M Firewall and Palo Alto network firewall.
- Involved in the redistribution into OSPF on the core ASA firewall.
- Troubleshooting and installing of CRS, ISR, GSR, ASR9000 and Nexus 7010 and 7009 devices
- Configuring, Monitoring and Troubleshooting Cisco's PIX firewall, ASA 5500
- Responsible for Cisco ASA firewall administration across our global networks
- Implementing Cisco Wireless access points using LEAP and Cisco Radius for authentication, greatly increasing Wireless security.
- Involved in the removal of EIGRP from all devices and making OSPF the primary routing protocol.
- Perform the installation and maintenance of VPN gateways, IDS/IPS, proxy servers, firewalls, and load balancers.
- Configuring network access servers for AAA Security Using Juniper IC (Infranet Controllers) MAG-SM360, MAG-4610.
- Perform new additions (VIPs, Pools, Virtual Servers, and Monitors) to the F5 BigIP LTM load balancer.
- Configuring and testing Multicast for both IPv4 and IPv6 routing in Data Environment.
- Monitoring and configuring Cisco 7600 routers at data center.
- Configuration ofFabric path and connectivity between Nexus 5K and Nexus 7k
- Configuring Cisco iOS ACL and Firewall rules to restrict and allow access to data resources.
- Involved in the modification and removal of BGP from the MPLS routers.
- Also prepared documentation for various Vlans and Voice subnetworks and worked on Visio for the same.
- Involved in configuring IP Quality of service(QoS).
- Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
- Implementing & maintaining tools like Snort (IDS), MRTG, solarwinds products, JFFNMS, Netflow Analyzer, WhatsUP Gold, Smokeping, and NTOP.
- Supporting the team for migration work of applications and websites from Cisco CSS Load Balancers to the F5 BigIP Load Balancers.
- Configuring and maintain access points through CISCO 4400 WLAN controller
- Replace branch hardware with new 2851 routers and 2960 switches.
- Performed basic security audit of perimeter routers, identifying missing ACL's, writing and applying ACL's
- Involved in scripting the iRules using TCL (Tool command language) and PERL for HTTP redirection
- Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel. Design and implemented network infrastructure and configured all the network Infrastructure devices including Network Printers and Registers
Confidential, Rockvile, MD
Network Engineer
Responsibilities:
- Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, maintenance etc).
- Involved in SwitchingTechnology Administration including creating and managing VLANS's, Port security, Trunking, STP, InterVlan routing, LAN security etc.
- Troubleshoot and Worked with Security issues related to Cisco ASA/PIX, Checkpoint, IDS/IPS and Juniper Netscreen firewalls.
- Implemented Cisco Secure ACS Server 4.0 for authenticating Users and devices in Network.
- Enabled TACACS+ on Cisco devices for authentication, authorization and accounting (AAA).
- Implemented EAP (Extensible Authentication Protocol) for Wireless Networks.
- Implemented with Cisco Layer 3 switches 3750, 4500, 6500 in multi VLAN environment with the use of inter-VLAN routing, HSRP, ISL trunk, ether channel.
- Used Cisco routers, switches, Access Points, Concentrators for implementation and management purpose.
- Physically assembled Firewalls, IDS/IPS, and Nexus 7ks and assisted in Rack -n-stack within the Data Center.
- Worked with application team to understand their requirements and come up with the best load balancing options (F5 BIG IP- created Virtual servers and load balanced across the web server into network).
- Worked on Solar winds Orion, Cisco Works, HP Open view network monitoring tools
- Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN using juniper SSG 140.
- Configured and monitored different monitor modules F5 big-ip LTM.
- Had worked on ASR9K running native IOS-XR
- Strong hands on experience in installing, configuring, and troubleshootingof Cisco 7600, 7200, 3900, 3600, 2900, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
- Used PIX Firewall and ACLs for authentication of EIGRP, BGP and to ensure high security on the network.
- Checkpoint Level 3 operations support with hardware operations - fixed all problems & RMA's, taking any escalations that dealt with the equipment and its connection: interfaces, VLAN's, routes, etc.
- Upgraded Nexus OS on Nexus 5k.
- Review monitoring and security risks for our network infrastructure, update security policies using Juniper NSM and Palo Alto firewalls.
- Installed and maintained routers and switches in various network configurations supported VLANs, Qos, VoIP, and advanced access-lists.
- Configured Protocol Handling, Object Grouping and NAT on ASA Firewalls (5505).
- Configured Firewall logging, DMZs and related security policies and monitoring.
- Used load balancers ACE and load balancing technique with multiple components for efficient performance and to increase reliability through redundancy.
- Performed IOS and Hardware upgrades on Core routers and field routers.
- Involved in migration from Frame-Relay/ATM network to MPLS-based VPN for customer's WAN infrastructure.
- Worked on Pythonscripts for system automation, monitoring and security reporting. Maintain existing Perl scripts and migration existing Perl scripts toPython.
Confidential
Network Engineer
Responsibilities:
- Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security
- Configured, installed, & managed DHCP, DNS, & WINS servers
- Configuration & maintenance of Cisco2600 series routers with OSPF.
- Configured and implemented various protocols on 2800 series router for efficient performance of network.
- Managed a TACACS server for VPN user authentication and network devices authentication
- Upgrading the network by translating protocols like EIGRP to OSPF.
- Monitor, evaluate & report on health of both Wide & Local Area (WAN/LAN) Networks.
- Maintaining the whole network and troubleshooting the network issues for efficient performance.
- Team member of Configuration ofCisco7206 router and Configuration of Catalyst switches.
- Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
- Installed and configured F5 Load balancers and firewalls with LAN/WAN configuration.
- Worked on various Nexus Products 7010, 7009, 2248.
- Create and testCisco routers and switching operations using OSPF routing protocol.
- To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.
- Experience working with Layer 1-7 switching, TCP/IP, OSPF and load balancing (Cisco L2/L3 switches, firewalls, load balancers.
- Proactively manage customer Firewall's (FW), Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS) and other security threat data sources on Check point, Palo Alto and Juniper FW's.
- Installed and configured Cisco ASA 5500 series firewall and configured remote access IPSEC VPN on Cisco ASA 5500 serie
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls per design.
- Workedwith security issue like applying ACL's, configuring NAT and VPN
- Experience in configuring routing protocols like EIGRP, RIP v2, OSPF & BGP and Cisco ACS protocols like RADIUS and TACACS.
- Troubleshoot issues related to connectivity, STP, VLANs, Trunking, VTP, Layer 2/3switching, Ether Channels, Inter-VLAN routing, log messages, high CPU utilization and parameters that can degrade Performance of the network.
- Tested BGP features such as as-override, Local pre, EBGP load balancing
- Maintained complex LAN/WANnetworks with several VLANS and provided support for routing protocols and also providing secure sessions over internet using IPSec and SSL encryption.
- Configured Multicasting protocol for IPTV and Multicast over GRE tunnels.
Confidential
Network Administrator
Responsibilities:
- Responsible for Checkpoint and Cisco PIX 525 firewall administration across global networks.
- Provided desktop support including creating images specific to client requirements and deal with issues pertaining to hardware and application.
- Provided technical support on hardware and software related issues to remote production sites.
- Participate in on-call responsibilities in support of a seamless production environment.
- Responsibilities included configuration and installation of software and hardware.
- Performed routine network maintenance checks as well as Responsible for gathering and compiling data for special projects as well as prepare weekly status reports.
- Involved in effective communication with vendors, peers and clients in resolution of problems, equipment.
- Performed the installation, configuration and testing of LAN/WAN devices.
- Figure and manage printers, copiers, and other miscellaneous network equipment.
- Handled the tasks of documenting network problems and resolutions for future reference.
- Performed the tasks of developing and maintaining procedures for backup and recovery, virus scanning and access control.