Sr. Network Engineer Resume
Roseville, CA
SUMMARY:
- 10+ years’ experience in network engineering, performing analysis, design, implementing, troubleshooting wif focus on performance tuning and support of large enterprise networks
- Experience in service validation, gateway support and troubleshooting network, security infrastructure on routers, switches, and firewalls; expertise in creating test plan, test estimation, test execution & reporting
- Exposure wif Cisco Routers, Cisco Switches 6500,4900,4500, Nexus 7K, 5K and 2K series, Load Balancers and Firewalls
- Experience wif Check Point version R55 on Linux platform.
- Experience in configuration of Virtual Local Area Networks using Cisco routers, multi - layer switches and supporting STP, RSTP, PVST, RPVST wif trouble shooting of inter-VLAN routing &VLAN trunking using 802.1Q
- Extensive experience wif routing protocols BGP, OSPF, EIGRP, RIP
- Experience in working wif F5 Load Balancers for LTM and GTM type load balancing between multiple centres
- In-depth understanding of IPV4 & implementation of Subnetting Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP,RSTP and MST
- Expert in implementation, configuration, troubleshooting of Access Control Lists (ACL), NAT and Cisco IOS
- Knowledge of various advanced technologies like VOIP, QOS, IPv4, Multicasting, and MPLS
- Worked on Cisco catalyst router 6509 and implemented VSS wif VDC &VPC on Nexus 5505, 7010 switches
- Setup of IPSEC VPN and remote VPN connections to communicate between branches
- Hands on experience on PIX, Firewalls, ASA 5500 series firewalls. Implemented Security Policies using ACL, IPSEC, SSL,VPN, IPS/IDS, AAA (TACACS+; RADIUS)
- Implemented DMVPN wif hub and spoke topology for 100 plus remote sites
- Familiarity of British Telecom (LOB -BT Open reach-Plan &Build Process) in BT L2C for GIS based application
- Good understanding of teh OSI model and teh TCP/IP model
- Troubleshoot network issues using Cisco Prime Infrastructure, Wireshark, Solarwinds, Cisco NCS, and Firemon
- Experience working wif different wan transports MPLS, VPN, Metro Ethernet
- Configured ASR 1K routers as head end WAN routers and implemented BGP wif VRF & OSPF instances
- Understanding of 3GPP/3GPP2 standards and test requirements for LTE wireless technologies
- Good communication and customer service skills .
TECHNICAL SKILLS:
LAN Technologies: Ethernet, Fast and Gigabit Ethernet, LWAPs.
WAN Technologies: HDLC, PPP, ISDN Frame Relay, VPN.
Routing Protocols: RIP v1/v2, EIGRP, OSPF, BGP, Static route.
Cisco Routers: 7600, 7200, 3800, 3600, 2800, 2600, 2500, 1800 series.
Cisco Switches: Nexus 5548, 5596, 6000, 7009, 7018; Cisco Catalyst: 6506, 6509-V-E, 4928, 4948, 4507, 4510, 3750, 3560, and 2960.
F5 load balancers: (LTM & GTM) configuration, administration and troubleshooting. Have good experience working on 9.x, 10.x & 11.x, F5 BigIP 1500, 3400, and LTM, GTM 5, F5 3DNS Load balancer GTM.
Cisco s Application Centric Infrastructure (ACI) implementation (Nexus 9K,APIC)
Switching Technologies: VLANs, Inter VLAN routing and Port Channels, VTP, Spanning TreeProtocols like PVST+, RSTP+, Ether-Channel, Multi-Layer Switching, and Port security.
Network Security: Cisco ASA 5520/5550 and PIX 525 Firewalls, ACL, IPsec.
Load Balancers: F5 Network (Big-IP) LTM 8900 and 6400.
Redundancy Protocols: HSRP, GLBP, VRRP.
VPN Technologies: GRE Tunnelling, Remote Access VPN, Site-to- Site VPN.
Servers: FTP, DHCP, AAA, SMTP, DNS, HTTP, Syslog, TFTP.
Network Management: Wireshark, Leaf/Spine Network, Cisco works, solar winds, Cisco ACS, Cisco NCS.
AAA Architecture: TACACS+, RADIUS, Cisco ACS
Applications: Wireshark, Netmon, Microsoft Service Enterprise, Secure CRT, Putty, Alarm Monitoring Console, MS Ticketing, MS Azure, VPN migration, Multipoint Ethernet, SNMP, Router Configuration, SDN, Genesys Suite 6.5, and Genesys Suite 7.x
WORK EXPERIENCE:
Sr. Network Engineer
Confidential, Roseville CA
Responsibilities:
- Managed network configurations, addresses, network design and implementation.
- Troubleshot and configured terminal servers and providing technical support & solutions for Network Problems
- Communicated and escalated tickets wif service providers for network outage issues.
- Coordinated wif Security team for NAT configuration and troubleshooting issues related to access lists.
- Designed & implemented LAN/WAN configurations on Cisco 5K, catalyst 6500 switches.
- Involved in troubleshooting VLAN, STP (Spanning tree protocol) & Switch Trunk and IP subnet issues.
- Handled maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel wif LACP and PAGP along wif troubleshooting of inter-VLAN routing.
- Planned and implemented OSPF protocol and internet EBGP, IBGP peering relationship wif other ISP.
- Performed network monitoring using tools like Wireshark, Solar winds & fixing problems wif documentation.
- Managed a TACACS server for VPN user authentication and network devices authentication
- Handled implementation of Cisco 3750,4507,4510switches and Cisco 3900 and ASR 1000s routers to new sites.
- Extensively worked on Nexus 5000 and 7000 series Switches, troubleshooting and configuration.
- Configured and troubleshot of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
- Worked on Cisco’s Application Centric Infrastructure (ACI) implementation (Nexus 9K,APIC)
- Configured and troubleshot link state protocols like OSPF in single area and multiple areas.
- Worked extensively in Configuring, Monitoring and Troubleshooting onCisco ASA 5500/PIX security appliance, Failover DMZ zoning& configuring VLANs/routing/NATing wif teh firewalls as per teh design.
- ConfiguredCisco ASA Firewall and accept/reject rules for network traffic.
- Workedon Checkpoint Support for resolving escalated issues.
- Used TCP/IP tool like TELNET for remote login to teh routers and SSH for secure login.
- Managed teams involved in site surveys, cabling specifications, network equipment installation &configuration.
- Validated existing infrastructure and recommend new network designs.
- Provided load balancing towards access layer from core layer using F5 Network Load Balancers
- Participated in all technical aspects of Internet security Service projects including, short and long term planning, implementation, project management and operations support as required.
Network Engineer
Confidential, Union, NJ
Responsibilities:
- Configured Routing protocols such as EIGRP, OSPF, static routing and policy based routing.
- Configured and troubleshotOSPF in single area and multiple areas.
- ImplementedBGP wif Cisco ISR G2 Routers.
- Configured 7609, 7606 wif OSPF and catalyst 6505, 4500, 3550 switches wif VLAN.
- Created and tested Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPN connection.
- Managed teh F5 BigIP GTM/LTM appliances, everyday task of creating WIP and VIPs.
- HandledIOS upgrades on Cisco 3600, 3800 series Routers.
- Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
- Redesigned Internet connectivity infrastructure for meeting bandwidth requirements.
- Configured VPC, VDC and ISSU Software upgrades on Cisco Nexus 7010.
- Worked extensively in Configuring, Monitoring and Troubleshooting onCisco ASA5500/PIXsecurity appliance & configuring VLANs, routing, Nating wif teh firewall as per teh design.
- Applied ACL for Internet access to teh servers using Cisco 5550 ASA firewall and performed NAT.
- Configured VLANs wif IEEE 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
- Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
- Configured and troubleshot Cisco 2500, 2600, 3000, 6500, 7500, 7200 series Routers.
- Provided Technical Support and solutions for Network Problems.
- Planned, tested &evaluated equipment's, systems, IOS&procedures for use in Network/security infrastructure.
- Continually monitored, assessed and improved network security, test &implement new security technologies.
- Provided Technical support for improvement, upgradation, and expansion of teh existing network architecture.
- Configured and implementedF5 BIG-IP, LTM, GTM load balancers to maintain global and local traffic.
- Participated in technical aspects of LAN, WAN, VPN technologies along wif development and security Internet Service projects including, short and long term planning, implementation, project management and operations
Network Engineer
Confidential, Atlantic City, NJ
Responsibilities:
- Worked wif Network Design & Implementation teams on projects related to Branch, Campus &Data Centre.
- IBM Maximo 7.x Upgrade troubleshooting & system administration duties
- IBM Maximo 6.x troubleshooting, preparation for upgrade to 7.x
- Configured and maintained Cisco 2800, 3800 &7200 routers, ASR 1006.
- Worked wif Cisco 2811, 3750, 4948, 2600, 6500 series switches.
- Designed & troubleshot aspects of complex network topology using routing protocols like EIGRP, OSPF &BGP.
- Configured & troubleshot routing protocols: MP-BGP, EIGRP, RIP, OSPF, BGP v4andIP access filter policies.
- Worked on various BGP attributes such as Local P, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
- HandledIOS upgrades on catalyst series switches like 2900, 3560, 3750.
- Designed and deployed Partner IPSEC VPN tunnels.
- Deployed GRE tunnelling over IPSEC between to data centres.
- Converted Cisco 6400 IOS to Cisco Nexus NX-OS in teh data centre environment.
- Configured VPC, VDC and ISSU Software upgrades on Cisco Nexus 6010.
- Upgraded, configured and verified teh NX-OS operation system.
- Troubleshotslow network connectivity&routing issues dat involves OSPF, BGP and identifiedthe root cause.
- Configured DHCP, DNS, IPAM on servers for auto allocation, IP addresses resolution from Subnet
- Configured Corporate, Wireless &Lab Devices for Bandwidth Upgrade, Add &DecomDevices, Testing (Pilot).
- Troubleshot teh Network Issues onsite and remotely depending on teh severity of teh issues.
- Worked for permanent solution on reoccurring network incidents on live network.
- Made emergency changes in teh network to ensure uninterrupted services.
- Managed network security wif respect to port-security on access layer and ACL on distribution layer.
Network engineer
Confidential, Weehawken, NJ
Responsibilities:
- Planned and implemented Sub-netting using VLSM method and allocating them to teh applications and servers.
- Configured VLAN’s &Trunk links between switches; implemented Inter-VLAN routing wif multilayer switching
- Implemented VTP& Trunking protocols (802.1q &ISL) on 3560, 3750 &4500 series Cisco Catalyst switches.
- Configured STP for loop prevention and configured EIGRP on 2600, 2900 and 3600 series Cisco routers.
- Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
- Configured Standard, Extended, &Named Access Lists to allow users to access applications & block others
- Performed troubleshooting of connectivity problems using PING, and Trace route.
- Provided on-call support for installation and troubleshooting of teh configuration issues.
- Provided Technical support for growth, upgradation, and expansion of teh existing network architecture.
- TroubleshotTCP/IP, layer 1,2 problems and connectivity issues in multi-protocol Ethernet environment.
- Dealt wif monitoring tools like Wire-Shark to capture, filter and inspect Packets.
- Configured remote desktop connectivity wifin teh LAN.
- Worked on hardware systems installation and in racking, stacking, and cabling of Switches and Routers.
- Hands on using crimp tools, punch down tools to punch cables.
- Assisted wif new and existing equipment, maintaining of hardware and software upgrades.
- Configured and Installed Cisco Wireless Access Points (WAP) at various locations in thecompany.
- Other responsibilities also included documentation.
Network analysis
Confidential
Responsibilities:
- Used and maintained routing protocols like EIGRP on teh Routers in teh network.
- Managed teh LAN Switching Environment including creating and maintaining VLANs, STP, Trunking, Port Security, Vlan Security etc.
- Migration of RIP V2 to OSPF, BGP routing protocols.
- Configured EIGRP for Lab Environment.
- Designed network connectivity and network security, between various offices and data center. Installed and configured routers including 1800, 2600 along wif Cisco switches including 3750 and 6500.
- Involved wif teh Systems team to Install, configure, & maintain AD, DNS, DHCP on Windows 2000 Server, also configured a FTP server; Installed configured & maintained MS Exchange Server.
- Set up and troubleshoot secured wireless access points for broadband Internet.
- Involved in configuration of WAN connection using a 3600 series Router and Frame relay method.
- Implementation of NAT wif a pool of 2 public IP addresses.
- Involved in installing and configuring ASA firewall.
- Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security Settings of teh networking devices (Cisco Router, switches) co-coordinating wif teh system/Network administrator during any major changes and implementation.
- Designed and implemented an IP addressing scheme wif subnets for different departments.
- Involved in teh design & configured a LAN using 2691 series Routers and 2950 series Switches
- Support a video conferencing network of distributed video units across U.S. and optimize teh network infrastructure over which they run
- Install and maintain voice, video and data communications infrastructure systems and cabling.
- Used various Network sniffers like Etheiral, TCP dump etc.
- Excellent Troubleshooting skills and configuration skills.