Sr. Network Engineer Resume
Charlotte, NC
SUMMARY:
- Have worked with firewall router, switches, modems and hubs manufactured by major players in the networking industry
- Core competence in Network implementation and Network troubleshooting
- Excellent management and Customer Service Skills
- Can work at tier 1, tier 2 and tier 3 level in a technical support environment
- Hands on experiencing installing, configuring and managing ESXi Severs running 5.0/5.1/5.5
- Can analyze network using Netflow, SNTPv2, SNTPv3, Wireshark and by using Microsoft Network Monitoring tool
- Knowledge of configuring Web Services, SSH services, configuring NFS, Samba, FTP and DNS services on a Unix Server
- Familiar with Standards followed at each layer of the TCP/IP Process flow
- Hands on experience with Hubs, Routers, Switches, Firewalls, fiber optic and Ethernet cables
- Fully understanding a networking environment with multiple VLANS and why sub - netting is important
- Enhance the real time availability of LAN network to handle VoIP phone and other network traffic that needs to be streamed in real time
- Familiar following TCP/IP tools: ARP tables, DNS, DHCP and Ping
- Good knowledge about Network protocols such as BGP (Border Gateway Protocols), TCP (Transmission Control Protocols) and IP (internet Protocols)
- Can troubleshoot and configure WAN connections including: VPN, GRE-tunnels, MPLS, Frame-Relay, PPP and ISDN
- Experience in working with Cisco Catalyst series 2900, 3560, 3750, 4500, 4900, 6500.
- Experience in working with Cisco 2800, 3600, 3800, 3900 series Routers.
- Hands on experience in configuring Cisco Nexus2232, 2248, 5548, 6001 and 7018(Sup 2E) and worked on nexus protocols VPC, VRF, VDC and FEX Links.
- Network security policies like NAT, PAT, VPN, DMVPN, Route-maps and Access lists.
- Worked on WAN technologies such as Frame-relay, PPP, HDLC, and DS3.
- Maintaining and updating inventory using Network Management Application layer softwares like SNMP, Wireshark, NTP, and Syslog.
- Drawing Visio Diagrams using MS Visio for documentation purposes
TECHNICAL SKILLS:
Routers: Cisco 2600, 3600, 3800, 7200, 7600.
Cisco Catalyst Switches: 2960, 3750, 4500, and 6500 and Nexus 2232, 2248, 5548, 6001, 7018 series
LAN Technologies: Ethernet Standards, VLAN, Inter-VLAN, VTP, STP, RSTP, SMTP, Ether Channel, PortFast, ACL, Light weight access points
WAN Technologies: Frame relay, (E1/T1/E3/T3) lines, PPP, HDLC.
Routing Protocols: RIP V1/V2, EIGRP, OSPF, BGP, Static Routing, Summarization
Gateway Redundancy: HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP)
Network Security: Cisco ASA, IPSEC
Network Management Tools: Wireshark, Netflow Analyzer, IBM Netcool
Applications: MS Office, MS Visio 2010
Operating Systems: Windows (98, 2000, XP, 7)
Load Balancers: Cisco CSM, F5 Networks
WORK EXPERIENCE:
Confidential, Charlotte, NC
Sr. Network Engineer
Responsibilities:
- Responsible for implementing high-availability Cisco Catalyst Switches and Cisco routers
- Gained hands on experience working with Nexus 7000, Nexus 5000 Series, Catalyst 3850 Series, Cisco ASR 1K routers and Switches
- Designed Campus network with guidelines by Cisco for high availability networks standards configured 24 Stacks of Catalyst 3850 Switches at various floors in 2 new buildings
- Configured Vlans, Trunks, HSRP and ether-Channel technologies to mitigate Risks of network failovers
- Implemented VLANs, Port-Channels, VRP and VPC on Nexus Devices that were implemented
- Implemented OPSF, interior BGP, and eBGP, according to requirements set by Samsung Group
- Implemented Cisco StackWise-480 technology and Cisco StackPower technology
- Configured Access Control List (ACL) policies, DHCP snooping, Dynamic ARP Inspection (DAI), Dynamic Trunking Protocol (DTP) functionality on Catalyst Switches
- Implementation and troubleshooting of Juniper firewall.
- Worked with JUNOS.
- Implemented other security measures on the network to minimize attacks from rouge devices on the network
- Implemented 802.x authentication on various ports and implemented various other security measures to minimize security breaches
- Configured policy statements, routing instances, route manipulation on RIP, OSPF and BGP.
- Configured and deployed BGP multi-homing and did operations on day to day basis with ISP peer-ship and troubleshoot internet based performance issues.
- Performed WAN link commissioning and troubleshooting, including coordinating with the ISP for new WAN links, and outages.
Confidential, Atlanta, GA
Network Engineer
Responsibilities:
- Configuring and installing 6500, 4500 in Campus networks.
- Configured Nexus 2000 Fabric Extender (FEX) which acts as a remote line card(module) for the Nexus 5000.
- Experience with design and implementation of Data center migration.
- 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.
- Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
- Configuring routing protocols OSPF, EIGRP,RIP, MPBGP, LDP and BGPV4
- Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst
- Maintained the data center equipment and software and performed regular troubleshoot on the process.
- Managed the data center infrastructure and ensured support to the facilities.
- Prepared a list of all inventory required for the continuous functioning of the data center system.
- Worked extensively in Configuring, Monitoring and Troubleshooting Check point security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls per design
- Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
- Responsible for Cisco ASA firewall administration across our global networks
- Support customer with the configuration and maintenance of PIX and ASA firewall systems
- Assist with various duties that will arise including: implementation, configuration, management, rules definition, problem solving, design advice, troubleshooting, updating, maintenance, etc
- Experience working with JUNOS OS on JuniperRouters and Switches.
- Built site-to-site IPSec VPNs over Frame-relay & MPLS circuits on various models of Cisco routers to facilitate adding new business partners to new and existing infrastructures.
- Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
- Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built cost effective network solutions to accommodate customer requirements and project scope.
- Configured routers and coordinated with LD Carriers and LECs to turn-up new WAN circuits.
- Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience
Confidential
Jr. Network Engineer
Responsibilities:
- Analyzed network traffic to find the root cause of any latency or jitter in transfer of UDP packets
- Analyzed enterprise level networks to small office based networks to analyze the root cause of any call quality issue customer is experiencing
- Worked directly with customers and understood all aspects of their network before implementing the right solution for their environment
- Troubleshoot network issues related to latency, jitter and quality of service (QoS)
- Implemented traffic shaping rules to prioritized VoIP when peak network upload and download bandwidth is being used
- Worked directly at the layer 7, layer 4, layer 2 and layer 1 of the OSI layer model
- Configured and analyzed Dell PowerConnect series, HP Procurve series and Cisco catalyst series switches and routers to work with 8x8 services
- Worked with telephony equipment manufactured by CISCO and Polycom
- Gained in-depth knowledge about technology used in a VoIP environment including SIP, Auto-attendant, Ring groups, call query, LNP, Boot Server, phone and virtual PBX systems
- Configured VLANS for the customers once orders were processed in the system and made sure customers had seamless migration process
- Worked directly with Account Managers, Sales Engineers and other members in the hierarchy to insure 100% customer satisfaction
- Troubleshot the issues related to L1 and L2 levels.
- Network maintenance checks, configure and manage printers, copiers, and other miscellaneous network equipment.
- Installing operating systems, software and hardware on computers.
- Responsible for Data Backup, System Update, Recovery and Restore, and Spyware removal.
- Assisting Junior and Senior Engineers, on-site management of cable-wiring technicians
- Troubleshoot problems on a day to day basis and documented every issue to share it with design teams.