Sr.network Engineer Resume Profile
Richardson, TX
PROFESSIONAL SUMMARY
- 7 years of experience in Designing, Implementing and Troubleshooting Service Provider Networks and Enterprise Networks and Network administration, implementation, design and troubleshooting Seeking a challenging and interesting opportunityin computer/network engineering which enables me to maximize my technical and managerial skills.
- Expertise in installing, configuring, and maintaining Cisco Switches 2900, 3500 ,3700 series, 6500 series
- Expertise in installing, configuring, and troubleshooting of Cisco Routers 3800, 3600, 2800, 2600, 1800, 1700, 800
- Extensively worked on Cisco catalyst 6509 and implemented VSS along with VDC and VPC on Nexus 5505, 7009 switches.
- Protocols Awareness: OSPF, EIGRP, RIP, BGP, HSRP, ACL, VTP, NAT/PAT, CDP, SSH, HTTP, HTTPS, NTP, SNMP, ARP, STP 802.1D , SNMP, DNS DHCP.
- Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
- Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
- Cisco ASA 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.
- Extensive Knowledge on the implementation of Cisco ASA 5500 series firewalls.
- Hands on experience working with Cisco Nexus 7K, 5K 2K Switches.
- Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
- Experience in configuring HSRP and redistribution between routing protocols troubleshooting them.
- Extensive experience in Designing, Implementing and Troubleshooting Service Provider Networks and Enterprise Networks.
- Hands-on experience with complex routed LAN and WAN networks, Cisco Routers, Switches and Juniper Routers
- In-depth knowledge of implementing, configuring and troubleshooting Routing Protocols Static Routing, EIGRP, OSPF, BGP
- Extensive knowledge of deploying and troubleshooting L2/L3, TCP/IP, Multilayer Switches
- Expertise in implementation and troubleshooting of protocols such as STP, RSTP, PVST, HSRP and VRRP
- Network management using Syslog, Packet Sniffers, SNMP etc.
- Experience in configuration Voice over IP VOIP .
- Extensive knowledge of deploying troubleshooting TCP/IP, Implementing IPv6, Translation from IPv4 to IPv6, Multilayer Switching, UDP, Ethernet, Voice Data Integration techniques.
- Extensive knowledge in developing test plans, procedures, and testing Various LAN/WAN Products and Protocols.
- Created and design network layout and documented network system design with detail information using Visio software. Vendor co-ordination for hardware issues and assessment management.
- Specialize in VoIP traffic analysis and designing VoIP networks for small MSPs.
- Well experienced in troubleshooting and optimizing performance in CISCO based routers and switches. Have worked in NOC environment for more than 5 years.
- Excellent problem solving and debugging skills with good verbal/written communication and presentation skills
- In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse proxy ARP, Ping Concepts.
TECHNICAL SKILLS
Routers: | Cisco 7600, 7200, 3800, 3600, 2900, 2800, 2600,1800,1700 |
Routing: | OSPF, EIGRP, BGP, RIP v1/v2, PBR, Route Filtering, Redistribution, Summarization, and Static Routing. |
Switches: | Nexus 2K/5K/7K, Cisco Catalyst 2900, 3500 ,3700,6500, 4500, 3850,3560, 3750, 2960 |
Switching: | LAN, VTP, STP, PVST , RPVST , Inter VLAN routing Multi-Layer Switch, Etherchannels, Transparent Bridging. |
Network Security: | Cisco ASA 5540, ACL, IPSEC,F5 Load Balancer, Checkpoint |
Load Balancer: | F5 Networks Big-IP LTM 8900 and 6400. |
LAN: | Ethernet IEEE 802.3 , Fast Ethernet, Gigabit Ethernet |
WAN: | PPP, HDLC, Channelized links T1/T3 , Fiber Optic Circuits,Frame Relay, VOIP |
Gateway Redundancy: | HSRP and GLBP |
WAN Optimizer | Riverbed Steelhead Appliance |
DHCP and DNS | Infoblox |
Various Features Services: | IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP, FTP. |
AAA Architecture: | TACACS , RADIUS, Cisco ACS. |
Network Management: | Wireshark, SNMP, Solarwinds |
PROFESSIONAL EXPERIENCE
Confidential
Sr.Network Engineer
Responsibilities:
- Involved in configuring and implementing of composite Network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
- Responsible for testing and documenting hosted VoIP/PBX. Programming of VoIP/SIP endpoints, Routers, switches, cabling, DHCP/ FTP/ TFTP servers and firewalls.
- Networks using routing protocols such as RIP, OSPF, BGP, EIGRP and manipulated routing updates using route-map, distribute list and administrative distance.
- Involved in Switching Technology Administration including creating and managing VLANS's, Port security, Trunking, STP, Inter-VLAN routing, LAN security etc. Deploying Layer 2 security in Server Farms by configuring switch for 802.1x port based authentication.
- Configured OSPF redistribution and authentication with type 3 LSA filtering to prevent LSA flooding.
- Configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
- Implementing traffic engineering on top of an existing Multiprotocol Label Switching MPLS network using Frame Relay and Open Shortest Path First OSPF .
- Provided redundancy in a multi homed Border Gateway Protocol BGP network by tunings AS-path.
- Worked on documentation to create Visio diagrams using MS Visio.
- Worked on F5 BIG-IP LTM 8900, configured profiles, provided and ensured high availability.
- Worked on F5 and CSM load balancers deploying many load balancing techniques with multiple components for efficient performance.
- Troubleshooting issues related to Layer 1/2/3 skills like switching / routing, WAN /Hardware and critical network links by coordinating with the vendor.
- Troubleshooting the Juniper SRX100 and 110 series, Juniper Netscreen routers with Site-Site VPN, and firewalls for Supervalu Retail sites.
- Migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority for purpose of scaling.
- Troubleshooting various network security related issues using Cisco SDM.
- Monitoring links using Solar Winds.
- Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, port aggregation
- Route redistribution and route update manipulation using route-maps distribute lists and AD manipulation and link negotiation.
- Configured VPC, FEX and VDC's on Nexus 5K, 7K.
- Coordinate with Server, Security, Application teams along with 3rd party vendors to provision and setup third party servers, network devices in Data Center environment.
- Worked on ASA 5510/5520 firewalls configuration and Implementation for the network.
Environment:Cisco7600/7200/3800routers,Cisco2950/3500/5000/6500switches,ASA Firewall 5510/5520, Juniper SRX100,OSPF,BGP,EIGRP,RIP,VLAN,LAN,WAN,VPN, F5 BIG-IP LTM 8900,Nexus 5K,7K,VOIP
Confidential
Sr.Network Engineer
Responsibilities:
- Responsible for implementing, supporting, and maintaining 24x7 network services.
- Coordinated efforts with Engineer's to ensure all network devices conformed to defined network standards.
- Configured and troubleshooting HSRP, BGP, OSPF, EIGRP, MPLS WAN, QoS and Route Maps.
- Configured and maintaining Cisco 7200, 4400, 5000 and 6500 platforms.
- Troubleshoot connectivity issues involving VLAN's, OSPF, QoS etc.
- Support, monitor and manage the IP network.
- Performance monitoring of various applications and web servers to maintain quality of service and network stability.
- Maintained core switches, creating VLAN's and configuring VTP.
- Designed IP Addressing schemes, VLAN tables and Switchport assignments, Trunking and Ether-channel implementation.
- Gained hands on experience with VLSM, STP, VTP, VLAN Trunking.
- Installed and set up Cisco routers and switches according to deployment plans.
- Applied access lists and NAT configurations based on implementation guidelines.
- Managed and developed network projects designed to strengthen network continuity and deploy security elements in an attempt to meet and exceed contract requirements, including system analysis and troubleshooting.
- Change management, monitoring network performance with network tools.
- IP Distribution for existing devices and new devices as they were added.
- Preformed maintenance on equipment as necessary, performing device upgrades, modification of configurations, password changes and diagnostic testing.
- Worked with vendors and Engineering team to test new hardware and procedures.
- Prepared and maintained documentation using MS Visio.
- Route configuration and point code checks for System Technician and Network Technician.
- Knowledge and experience of 802.11 a/b/g/n Ethernet standard for wireless Technology.
- Worked with other team members in testing of the network architecture.
- Participated in quality system implementation project.
- Implemented, configured redundancy protocols HSRP, VRRP, GLBP for Default Gateway Redundancy.
- Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF and BGP etc.
- Performing network monitoring, providing analysis using various tools like WireShark, Solarwinds etc.
- Responsible for Cisco ASA firewall administration, Rule Analysis, Rule Modification.
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500.
- Experience in migration of VLANS.
- Primary responsibility is to design and deploy various network security High Availability products like Checkpoint , Cisco ASA other security products
- Installed various network hardware including concentrators, bridges, and hubs to establish communication connections with remote locations.
Environment: Cisco4400/7200/3900/7600 Routers, Cisco3650, 6800/6500/3560 Switches. RIP, OSPF, BGP, EIGRP,
LAN, WAN, CISCO ASA 5500, HSRP, VRRP, GLBP, VLAN, QoS, Wireshark, Solarwinds.
Confidential
Sr.Network Engineer
Responsibilities:
- Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
- Coordinated efforts with Engineer's to ensure all network devices conformed to defined network standards.
- Configured various Routing protocols such as RIP, OSPF, EIGRP, static routing.
- Maintaining Core Switches, creating VLANs and configuring VTP.
- Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
- Performed redistribution with OSPF, EIGRP, RIP version 1 and 2 to enable communication with backbone.
- Troubleshooting of Cisco 2900, 3900, 6500, 7500, 7200 Series routers.
- Configured static NAT, dynamic NAT, dynamic NAT overloading.
- Back up a Cisco IOS to a TFTP server and Upgraded and restored a Cisco IOS from TFTP server.
- In-depth expertise in the implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems.
- Responsible for designing, implementing and troubleshooting temporary infrastructures for Live Webcasting Events
- Involved in F5 BIG IP LTM administration, familiar with enterprise level traffic managers like 6800, 3600, 1600,3400 series
- Involved in updating the VIP's for pools and pool members, updating iRules for the URL created in the new DNS entry
- Upgrade Cisco Routers and Switches IOS using TFTP
- Installed and configured Cisco IP Phone 794x, 796x, 7937's and IP Communicator
- Creating dedicated VLANs for Voice Data with QOS for prioritizing VOICE over DATA
- Installation and management of overall administration of LAN, WAN, systems involving design of network layouts, configuration and maintenance, Commissioning Routers Switches, firewalls, IPS and ensuring maximum uptime during site deployment to VoIP.
- Configuring and adding, moving, removing of various IP phones like 7941, 7961, and 7971
- Knowledge on VOIP protocols like H.323, RTP, SIP and good understanding about VOIP devices.
- Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems
- Performing network monitoring, providing analysis using various tools like WireShark, Solarwinds etc.
- Implementation and configuration of F5 Big-IP LTM-6400 load balancers
- Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience
- Responsible for Cisco ASA firewall administration across our global networks
Environment:Cisco3550/4500/6500switches, Cisco 2900/3900/6500/7500/7200 routers,F5 Load Balancer,ASA,VOIP,IP
Phone, OSPF, BGP, RIP, EIGRP, LAN, WAN, CISCO IOS.
Confidential
Network Engineer
Responsibilities:
- Migration of RIP V2 to OSPF, BGP routing protocols.
- Configured EIGRP for Lab Environment.
- 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.
- Deploying the network infrastructure to meet the requirements.
- Created VLAN and Inter-Vlan routing with Multilayer Switching.
- Documenting and Log analyzing the Cisco ASA 5500 series firewall
- Monitor performance of network and servers to identify potential problems and bottleneck.
- Performed administrative support for RIP, OSPF routing protocol.
- Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
- Real time monitoring and network management using Cisco Works LMS.
- Provided technical support on hardware and software related issues to remote production sites.
- Responsible for LAN and internet connection file and print server.
- Maintained and installed new internet connections for customers.
- Handled installation of Windows NT Server and Windows NT Workstations.
- Handled Tech Support as it relates to LAN WAN systems
Confidential
Network Engineer
Responsibilities:
- Involved in troubleshooting of DNS, DHCP and other IP conflict problems
- Used various scanning and sniffing tools like Wire-shark
- Hands on Experience working with security issue like applying ACL's, configuring NAT and VPN
- Documenting and Log analyzing the Cisco PIX series firewall
- Configured BGP for CE to PE route advertisement inside the lab environment
- Spearheaded meetings discussions with team members regarding network optimization and regarding BGP issues.
- Provide Tier1 technical support assist users facing network problems. Perform advanced troubleshooting, diagnostics and provide tier/level-1 solutions to network failures
- Network Migration from RIP to OSPF and EIGRP
- Network infrastructure support to routing and switching equipments
- Redistribute routing protocols and Frame-Relay configuration
- Design the layout for cable installations
- Involved in design and deploying various network security High availability products like Cisco ASA and other security products.
- Support customer with the configuration and maintenance of ASA firewall systems.
- Troubleshoot and resolved dynamic routing, Ethernet switching and host connectivity issues in a window and network environment
- Troubleshoot wiring problems and serial communication lines
- Develop, plan and maintain documentation necessary for operation in support of LAN to WAN connectivity
- Configured 2600, 2900 and 3600 routers with RIP and EIGRP.
- Implemented VTP and Trunking protocols like 802.1q and ISL on cat 3560, 3750 and 4500 switches.
- Installation, Maintenance, Troubleshooting Local and Wide Areas Network ISDN, Frame relay, NAT, DHCP, TCP/IP .
- Configuration of Access List ACL Std., Ext, Named to allow users all over the company to access different applications and blocking others.
- Configured STP for loop prevention and VTP for Inter-VLAN Routing.
- Providing Network and Security Architecture and Operations support services for Windows 2008 based web, application and database servers.
- Troubleshoot TCP/IP problems troubleshoot connectivity issues in multi-protocol Ethernet, Environment.