Network Engineer Resume
Austin, TX
SUMMARY
- 8 years of 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 as EIGRP, OSPF, BGP ability to interpret and resolve complex route table problems.
- Experience in Designing, and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls
- 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, BGP v4, MPLS
- Configuring and testing Multicast for both IPv4 and IPv6 routing in Data Environment
- Worked 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
- Knowledge of the OSI model, IPv4, IPv6, WAN, LAN, RIP, OSPF, EIGRP, BGP, MPLS, DHCP, VoIP, QoS, Frame Relay, NAT, Subnetting, VLAN.
- 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.
- Writing Shell scripts and Python Scripting to automate business process.
- 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, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols.
- Experience in the setup of Access-Lists, 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, 5k,7k and 9k), ASR 1k
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), 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 ConfigurationInternet Content Filtering, Knowledge of Firewall, ASA, Cisco FWSM/PIX/ASDM, Cisco NAC, IPSec,Checkpoint, SPLAT, IPS/IDS (Snor), IPS 4260.
Application Protocols: DHCP, DNS, FTP, HTTP, SMTP, TFTP.
Documentation: Microsoft Office Suite, Visio.
PROFESSIONAL EXPERIENCE
Confidential, Austin, TX
Network Engineer
Responsibilities:
- Responsible for the design and implementation of enterprise and data network solutions that align with the architecture and business models to achieve optimal solutions for Acxiom and its customers.
- Interacting and consulting with Acxiom ENSG(JIRA) customers to collect required solution information; coordinating solutions with Acxiom ENSG(JIRA) customers
- Builds product business plans to drive revenue and rationalize investment.
- Responsible for the creation of automated deployments to the production environment using the following tools and scripting language like Python, Ansible.
- Worked with several networking technologies and protocols asTCP,UDP, Routers, Switches and used monitoring tools ensuring network connectivity.
- Developing, implementing, and maintaining network solutions to include Network, Security/Threat
- Regularly lead self and others on projects on Next Gen networks (moving from checkpoint to Palo alto).
- Engages delivery organization to ensure product operations and delivery capabilities are addressed.
- Used load balancers A10 and Cisco ACE and load balancing technique with multiple components for efficient performance and to increase reliability through redundancy.
- To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.
- Decommissioning of old customer network in the Acxiom environment.
- Installed and configured Cisco ASA 5500 series firewall and configured remote access IPSEC VPN on Cisco ASA 5500 series.
- Implementation and Support ofNexus7000,Nexus5000, 6500, virtualization, ACE and Data Center Project implementation.
- Designed, implemented and troubleshooting of different Next Gen environments.
- Participated with various teams regarding network projects, change tickets, and trouble tickets (Service-Now), etc.
- Taking Backup of Checkpoint configuration, security policy, logs with Policy package management, Database Revision Control, Upgrade export and import, Snapshot Procedures on regular basis.
- Developing and maintaining network documentation.
- Wrote script in Python for automation of testing jobs.
- Used Python 3.0 for generating IP access frequency lists in different data logs.
- Being On-Call engineer as scheduled and reviewing CRQ’s
- Troubleshooting issue with VXLAN’s.
- Worked with security issue like applying ACL’s, configuring NAT and VPN.
- Worked on Nexus 9k, 7k, 5k, Catalyst 6500, ASR-1K devices.
- Troubleshooting of complex LAN/WAN infrastructure that include routing protocols like OSPF & BGP and MPLS technologies.
- Successfully migrated a CISCO 6500 environment to CiscoNexusenvironment with 7k/5k and 2ks.
- Creating VRF’s/Zoning for different customers in Next Gen networks and troubleshooting
- Designing customer WAN networks and successfully migrating them to Next Gen Networks.
Confidential, WA
Network Engineer
Responsibilities:
- Configuration and troubleshooting on HSRP, VRRP, GLBP, RSTP, MST related issues coming in network 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
- 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.
- Developed a Python script to automate the data fetching and processing mechanism for the network.
- Experience with Juniper NetScreen 520M Firewall and Palo Alto network 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.
- Data Network deployment within the Data Center using Cisco 2600,2800,3600,7200 seriesRouters, Cisco 6500,3600,3500, Nexus 7k seriesswitches.
- 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 of Fabric 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
- Manage a very large DNS environment using Lucent QIP and manual management of DNS for DMZ/External servers.
- 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, Fairfield, CA
Network Engineer
Responsibilities:
- Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, maintenance etc).
- Involved in Switching Technology 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 troubleshooting of 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.
- Designed and Implemented DMZ for FTP, Web and Mail Servers with CISCO PIX 525 and PIX515E.
- 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).
- 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.
Confidential
Network Configuration Specialist
Responsibilities:
- Configuring and troubleshooting WAN links, BGP, QoS for global customers.
- Creating base configuration for the leased line and creating service configuration.
- Commissioning and de-commissioning of circuits.
- Worked on Juniper routers administration and Switches as well as SRX firewall
- Deploying PE-CE router configuration, Test & Turn-up, Logical Amend
- Activities as per order/service requirements
- Provisioning and making changes on BT Global MPLS Platform and its finance vertical
- Providing root cause analysis of fault tickets booked.
- Implemented L3 SVI’s and L2 vlans, Inter Vlan Routing and HSRP configuration in Nexus on F series module.
- Configured Security Policies including NAT, PAT, AAA, ACL’s Standard Access Lists, Distribute-Lists, Route-Maps, VPN Concentrators, IPS/IDS, (PIX, ASA) firewalls.
- Involved in Configuration of Firewall Access lists (ACL) oncheckpointfirewall for the propernetworkrouting for the B2Bnetworkconnectivity
- Configured and troubleshoot on Juniper EX4500 and EX8200 switches
- Configured Cisco 7200 routers which were also connected to Cisco PIX 535 security appliances providing perimeter based firewall security.
- Cisco IOS and Cisco CatOS configuration and backups, Uploading and download IOS and CatOS using XModem, TFTP and FTP protocols
- Implementation and troubleshooting of routing protocols like, OSPF, EIGRP and IGRP and route redundancy protocol i.e., HSRP
- Implementation and troubleshooting of various switching issues related to VLANs, VTP, STP, Port security, ether channels, Inter-VLAN routing.
- Well versed with Cisco Hardware including Cisco Router and card types for 1800, 2800,1900, ASR1002,3700, 3800, 7200 series for providing Leased line, Frame-Relay, STM and Ethernet
- Tools used IVserve, Classic/Tahiti, COT+, Chameleon, PMF, PNAD, and PPR.
Confidential
Network Admin
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.
- 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.
- 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.
- 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 Support Engineer
Responsibilities:
- Designed, validated and implemented LAN, WAN & WLAN structure to suite client’s need.
- Configured and troubleshoot OSPF and EIGRP.
- Experience with Checkpoint Firewall policy provisioning
- Involved in writing troubleshooting guidelines for MPLS VPN.
- Streamlined the process of deployment of operating system.
- Installed and configured workstations for IP based LAN’s
- Installed and configured DHCP Client/Server Planning and configuring the routing protocols such as OSPF, RIP, and Static Routing on the routers.
- Worked on implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.