Network Engineer Resume
Tallahassee, FL
SUMMARY
- Over 7 years’ experience in Network designing, monitoring, deployment and troubleshooting both Cisco and Nexus devices with routing, switching and Firewalls .
- Experience of routing protocols like EIGRP, OSPF and BGP, IPSEC VPN, MPLS L3 VPN.
- Involved in designing L2VPN services and VPN - IPSEC authentication & encryption system on Cisco Asa 5500 v8 and beyond.
- Worked with configuring BGP internal and external peers with manipulation of attributes such as community, MED, Cluster List, AS-PATH, metric, origin and local Preference.
- Cisco Secure Access Control Server (ACS) to authenticate users that connects to a company VPN
- Experience on troubleshooting latency issues, utilization and throughput issues on netscout and Zenoss.
- Experience in maintenance and operations of corporate networks.
- Experience in UAT lab testing and other Intel modem test using Gladiator and Artemis.
- Experience on cisco and Avaya Phones while configuring trunks, workgroups and route points through cisco call manager and cisco call director. Also worked on patching the cables through respective cubicle to IDF in data center.
- Worked with configuring BGP internal and external peers with manipulation of attributes such as community, MED, Cluster List, AS-PATH, metric, origin and local Preference.
- Experience on configuring Vlans on switches and span-monitoring while doing change management on ITSM.
- Experienced in Network Access Controls and Cisco ACS server (802.1x, TACACS+, RADIUS).
- Perform hardware replacement for rack components, servers and networking gears.
- Experience on EMC isplion cluster 6000x with 4 nodes while uploading 16 TB of data.
- Experience on Windows servers while troubleshooting from remote IDF switch.
- Experience in configuring Active directory, DNS,Dhcp on Windows 2012 .
- Experience on scripting on Python and configuring irules on F5.
- Experience on using network monitoring tools like Netscout and Zenoss .
- Experience in Configuring Palo alto firewalls from remote SVI interface and even through the GUI.
- Managing the authentication policies of TACACS server and adding policies to the firewall.
- Experience on using active directory in order to figure out link utilization from particular user through Netscout .
- Experience in configuring HSRP and redistribution between routing protocols & troubleshooting them.
- Experience in troubleshooting cisco wireless Lan controller 44XX WLC while troubleshooting firewall issue.
- Troubleshooting Aruba Wireless Controller for port mirroring and session mirroring issues. Troubleshooting wireless controller when VPN IPsec tunnel for local school went down.
- Technical Knowledge on Cisco ASA 5500 firewall and configuring Palo Alto.
TECHNICAL SKILLS
Switching Protocols: VLAN, STP
Routing Protocols: OSPF, EIGRP, NAT, ICMP, SNMP, Frame Relay
Routers and Switches: 2500, 2600, 2800, 3800, 7200 Nexus 7K, 6K, 5K, 4500, 4948, J-6300, J-2300
Firewalls: Cisco ASA, Cisco FWSM, Barracuda, SonicWall
Network Management Tool: Solarwinds, Algosec, Solsoft
IOS: Cisco IOS, IOX-XE, NX-OS, JunOS, Windows, Linux
PROFESSIONAL EXPERIENCE
Confidential, Tallahassee, Fl
Network Engineer
Environment: Cisco ASA, HP procurve, AVAYA /yealink Free Pbx.
Responsibilities:
- Configuring HP procurve switches J8692A, performing health check and analysis of the links.
- Configuring Microtik router, providing VPN access and setting pools for dedicated tunnel for internal customers.
- Experience in setting up and configuring internal and external natting issues on firewall circuit.
- Configuring SNMP on every devices on the network for configuring whatsup gold (Network monitoring tool)
- Troubleshooting network issues on daily basis including phones and Ip telephony.
- Experience on configuring fiber-optic between 2 data centres with 10 gb pf bandwidth availability.
- Experience on asterisk and Yealink phone systems, upgrading the firmware and setting up the queues for every customer on the internal network.
- Implementing VoIP solutions using SIP & H.323, also have sound knowledge of Yealink VoIP products.
- Experience on ITSM to make detailed change management on production devices.
- Experience on Windows 2012 r2 .
- Experience on Cisco ASA 5500 series . Configuring troubleshooting issues on both transparent and routed mode in various contexts.
- Experience on WHatsup gold monitoring systems
- Experience on configuring active directory domain, DNS and DHCP on Windows 2012 R2 standard.
- Experience on Configuring LTM, high availability configuring Irules, NAT and SNAT.
Confidential, Providence, RI
Network Systems Engineer
Environment: Nexus 5k and 7k Deployment, F5, Citrix ticketing support system.
Responsibilities:
- Experience in Zenoss for adding devices to be monitored and restoring back into auto maintenance mode .Creating automatic network discovery for network devices to be monitored using ip address.
- Experience in creating reports on Zenoss to see the current status of the devices .To make sure the ping and SNMP are both responding for respective devices.
- Experience in configuring zenos for UNIX and Linux server for adding different community strings and IP address for each of the devices.
- Experience in Netscout in checking bandwidth utilization for every host connected to the network .Also experienced in monitoring link usage from Ngenius monitoring tool, calculating the response time and delay occurred for applications running locally and remotely in the network.
- Experience in implementing Data center facility in Kings Mountain, NC. The Data center facility is built based on Cisco nexus 5k and 7k and fabric extenders with aim to achieve high virtualization and consolidation at the network level.
- Experience in Linux server troubleshooting to test server connectivity from remote switch. Also experienced in using iperf, wireshark and iptstate on linux to know the firewall connection through particular SVI which connects to end server .
- Worked on Cisco and Asterisk to configure audio conferencing through asterisk manager interface while connecting to external API’S. Experience in Asterisk to read config files and using basic commands on Linux CLI.
- Experience in adding firewall rules for while raising the DR bubble at KMDC .The mainframe network consists of dual VPC from 1 VDC and DMZ distribution block.
- Experience in nexus 5k and nexus 7k as core switches to aggregate the WAN connectivity on prod and non-prod network.
- Experience in F5 load balancing to create Virtual ips (VIPS) and associated pools to the VIPS .Editing irule query for specific data contained in header or request .Editing profile setting contained for particular irule by applying the configuration values to individual setting before passing through a particular server .Experience on F5 using statistical models Load balance to check the utility of particular links going on the server.
- Experience in configuring span monitoring on different switches, enabling Poe on different nexus switches and working with operations team to troubleshoot different layer 2 and layer 3 issues.
- Worked on Clarify model to resolve different tickets pertaining to layer 3 and creating pools on f5.
- Experience on ITSM to make detailed changes on production devices.
- Experience in configuring Palo- alto firewall, when primary device in Medford went down. Upgrading the license through management interface .Experience in configuring interfaces, zones and virtual routers to permit traffic between different zones and logical interfaces.
Confidential, Lincoln, NE
Network Systems Engineer
Environment: F5, Shoretel contact center, Citrix ticketing support system
Responsibilities:
- Using documentation and standard operating procedures for smooth functioning of IP telephony systems.
- Maintained and provided support for LAN/WAN infrastructure as needed. This included working on specific hardware such as switches, routers, PIX, wireless APs, VPN Concentrators, frame relay, IPsec VPN and other entities.
- Worked on Security Zones, Policies and Intrusion detection on Palo Alto firewalls.
- Worked on F5 Load Balancers - Configuring Irules, Profiles, Nats/Snats, Load Balancing
- Configure, deploy and manage server hardware and software configurations to include but not limited to, Microsoft Server & Small Business Server, Exchange, Terminal Services, SQL, Active Directory.
- Collaborated with thenetworkengineers to identify areas of high risk that can be resolved using ISE
- Worked on Riverbed devices for WAN bandwidth Optimization in the data centers for the sensitive market data applications
- Implementing VoIP solutions using SIP & H.323, also have sound knowledge of Avaya VoIP products
- Working on APARS and Ability to verify Server logs for the accuracy of server & with the requested date and time duration.
- Ensure APARS do not go over due by either getting it closed or taking necessary extension.
- Involved in HSRP standby troubleshooting and load balancing protocol GLBP, Port channel management of the network
- Worked on troubleshooting the connectivity to servers with fabric extenders.
- Ability to apply concepts to prevent, detect and implement processes, procedures and controls needed to mitigate risks.
- Provide ShoreTel technical support and advise internal and external customers.
- Manage ShoreTel communicator and Shareware Director; identify and expedite resolution, open trouble ticket when necessary, consistently and accurately document customer communications and progress of resolution.
Confidential, Boston, MA
Network Engineer
Environment: Cisco 6500 series, designing and implementing OSPF Internal and BGP External on wan L3 and Century Link, Pluto support Tier 3 ticketting system.
Responsibilities:
- Setting up VoIP Phones for the entire office environment.
- Replaced 6500 from access layer and Installed 3750s Switches.
- Racking and Stacking of Cisco 3750 Switches.
- Configured and maintained Cisco ASA firewall.
- Upgrading L2 and L3 devices and providing remote support for upgrade.
- Responsible for the configuration, implementation and operation of Cisco 3745 routers Cisco 6509 and 3750x L2/L3 switches.
- Configuring SIP issues and wall jack issues while troubleshooting IP addressing problems.
- Support Engineer in Installation of firstISEappliance
- Configured the Cisco router as IP Firewall and for NATting.
- Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area.
- Develop documentation in support of meeting and exceeding a 90 percent ticket resolution SLA (Service Level Agreement) for theACESupport Team.
- Configured Cisco Routers for OSPF, IGRP, RIPv2, EIGRP, Static and default route.
- Experience on troubleshooting Cisco catalyst switches 3750g 48 port switch.
Confidential, Long Island, NY
System Engineer
Environment: Cisco wlan controller configuration and implementing.
Responsibilities:
- Upgrading L2 and L3 devices and providing remote support for upgrade
- Troubleshooting IOS related bugs based on past history and appropriate release notes.
- Installing, Managing &Troubleshooting CATOS issues
- Creating CMR and documentation of the issues resolved
- Hand on experience the configuration and implementation of various Cisco Routers and L2 Switches.
- Exhaustive hands-on experience on Cisco, Juniper and network testing gears which include Ixia, breaking point etc. Testing includes multicast, BGP, IS-IS and OSPF
- Deployment of 802.1x protocol to over 400 LAN edge switches in order to mitigate the risks in an observed LAN vulnerability
- Configuring VLAN’s, Trunking and routing part for Cisco Catalyst 6506.
- Worked on EIGRP routing protocol on the VSS core
- Configure and maintain access points through Cisco 4400 WLAN controller.
- Management tools such as Cisco prime infrastructure
- Setting up Cisco wireless router and setting up access points.
- Check the IP address, default gateway and subnet mask are all correct. performed configuration of LAN\WAN technologies such as Ethernet, Fast Ethernet, and Gigabit Ethernet
- Involved in installation and configuration of CISCO ACE switches documentation of all the documents necessary for the upgrade
- Placing cable and equipment’s orders.
Confidential, Omaha, Nebraska
F5 Engineer
Environment: F5 LTM and F5 GTM load balancing .Irules, nodes and Load labalancing trunks with N5k
Responsibilities:
- Worked on F5 LTM, GTM series like 6400, 6800, 8800, VIPRION for the corporate applications and their availability
- Involved in iRule management like loading rules, writing iRule syntax using TCL language
- Configuration and extension of VLAN from one network segment tother segment between Different vendor switches (Cisco, Juniper)
- Troubleshooting on network problems with Wireshark, identify problem and fix
- Co-operation with service providers in Installing, Troubleshooting T1, DS3,OC3 and OC-48 circuits
- Involved in migration of Frame-relay connections to MPLS based technology with the extranet clients.
- Involving in data center migrations from one data center to other.
- Involving in VPN (IPSEC and GRE) migrations and new designs for the clients.
- Dealt with applying crypto maps and security keys for the branches, ISAKMP (Internet Security Association Key Management Protocol) for establishing Security associations (SA) cryptographic keys to branches in an internet cloud environment.
Confidential
Network administrator
Environment: Basic ticketing systems and troubleshooting L1 and L2 issues.
Responsibilities:
- Troubleshooting network issues like by pinging the host or by pinging the default gateway i.e. Router
- Contacting ISP (PerunaNet) for assistance.
- Check the condition of the physical connection i.e. the network cable.
- Setting up Cisco wireless router and setting up access points.
- Check the IP address, default gateway and subnet mask are all correct.
- Setting up VOIP network in the engineering building.
- Troubleshooting various technical problems with PC, mobile and laptops.
- Check for DNS issues by pinging the server’s name. Experience with Wireshark, TestTCP& OPNET.
- Perform bandwidth metrics analysis using various tools (IXIA, CiscoWorks, Cisco Network Analysis Module
- Managing &Troubleshooting DHCP issues. built severalRedHatLinuxservers to provide file storage, system backups and UPS monitoring
- Configuring and troubleshooting static and dynamic DNS servers.
- Trouble-shooting end-user reported problems, thoroughly and accurately documenting problem in trouble management tool.
- Analyzing and resolving a high percentage of initial customer contact in the areas of PC/LAN.
- Escalating customer problems to management and support groups utilizing standard escalation model.
Confidential
Network Engineer
Environment: Basic ticketing systems and troubleshooting VLAN and LAgp issues.
Responsibilities:
- Responsible for the configuration, implementation and operation of Cisco 3745 routers Cisco 6509 and 3560 L2/L3 switches.
- Removed Cisco 3600 and 2600 series routers and Cisco 2900 series switches from the current infrastructure and replaced them with the Cisco 6509 or 3560 L2/L3 switches.
- Configured RSTP, MST and used VTP with 802.1q trunk encapsulation. Provided port binding and port security wherever required. Provided router redundancy through HSRP.
- Configured ether channels using PAgP and LACP.
- 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.
- Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay and ATM).
- Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external.
- Escalation procedures and customer notifications.
- Design service for /upgrade/configure ALU’s IP/MPLS products e.g. 7705 SAS, 7210 etc.
- Configured Cisco Routers for OSPF, IGRP, RIPv2, EIGRP, Static and default route.
- Worked on HSRP and GLBP for first hop redundancy and load balancing.
- Prepare, update, and maintain technical and logistical network documentation.
- Member of Network Test team and responsible for routine Network test.
- Responsible for resolve any issue in routine Network test and need to escalate higher technical team, if there is any major issue.
- Worked on comprehensive test strategy and test plan based on the features to be tested, with focus on customer deployment and use-case scenarios.
- Worked with cross-functional teams throughout the project life cycle.