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Network Engineer Resume

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Sacramento, CA

SUMMARY

  • Professional Experience of 6 years in Designing, Implementation, Administration, Operations and Troubleshooting of enterprise and data center networks as a Network Engineer for a 50,000 Employee Company based in multiple locations.
  • Designing, configuring and maintaining day to day operations for enterprise networks and Data centers in multiple locations across North America
  • Worked on cisco Nexus 9516 switches as CISCO ACI fabric Spine switches and Nexus 9300 series as Leaf switches for Datacenter networks.
  • Worked on Nexus platform 7010, 5K series (5548,5020 and 5010) and FEX (2248, and 2232) and deployed VPC, VDC, Fabric path and OTV and successfully implemented VSS on the cisco catalyst switches.
  • Expertise understanding in implementing and configuring F5 Big - IP LTM-3900, and 6900 LOAD BALANCERS, A10
  • Involved in the activity of DATA-Center migration of regular Cisco catalyst switches with the new Nexus2148, 2224T,5548, 6018, 7010 using F3/M3 line-cards with 10GE & 40GE interfaces
  • Worked on Cisco Catalyst series 2900, 3560, 3750, 4500, 4900, 6500 and Cisco 1800, 2600, 3600, 7200, 7600, ASR 9k routers
  • Strong working experience on Firewalls, ACS, Cisco ASA 5540 Series, Dell Sonicwalls
  • Proficient hands on experience in configuration & troubleshooting of routing protocols and deployment of OSPF, EIGRP, BGP and Policy routing on Cisco Routers.
  • Experience in implementing, maintaining and troubleshooting L2 switching tasks such as VLANs, VTP, VLAN Trunking using 802.1Q, 802.11a, 802.11c, 802.11g, 802.11ac. STP, RSTP, PVST+, Ether channel using LACP and PAgP, Inter-Vlan routing, CEF and DCEF.
  • Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP).
  • Designed and Configured Networking for Process control and automation using Cisco Asa Firewalls and Rockwell, Hirschman and stratix switches
  • IPSEC VPN configuration for Microsoft Azure and AWS
  • Worked with MPLS in establishing peer ship with BGP protocol
  • Worked on SDWAN with Viptela and Silver peak.
  • Worked with MPLS in establishing peer ship with BGP protocol
  • Deployed F5 Big IP 6000 GTM as user Remote access VPN solution
  • Experience in physical infrastructure like Structured cabling, IP address management, Racking, Stacking, UCS management.
  • Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
  • Used network monitoring tools Solar winds, Net brains and PRTG to ensure network connectivity and Protocol analysis tools to assess the network issues causing service disruption.
  • Experience in T1/E1/T3 technologies and different LAN & WAN technologies.
  • Proficient in using MS Visio for documentation.

TECHNICAL SKILLS

Switches: Cisco Catalyst 3560, 3750, 4500, 4900, 6500 & Nexus 2000, 5000, 6000, 7000 and 9000. Juniper EX 9200, EX 3300. HP/Aruba 8000, 5412, 2900. Dell/Force10 4810, 4820

Routers: Cisco ASR and ISR series, 1800, 2600, 2800, 2900, 3600, 3800, 3900, 7200, 7600.

Wireless: Cisco wireless controllers 9800 series and 5000 series, Access points 4800, 3800 and 2800 series, Aruba 7200, 700 Mobility controllers, 500 and 300 series access points.

Firewalls: Cisco ASA 5540 series, DELL SonicWALL, Palo alto, GRE, IPSEC and SSL VPN, HTTP, IPS/IDS, IOS Firewall features, DMZ set up.

Load Balancers: F5 Network (Big-IP) LTM 2000, 3900 and 6400 & Cisco ACE Service module ACE20-MOD-K9.

Routing: OSPF, EIGRP, BGP, RIP, PBR, Route Filtering, Redistribution, Summarization, Static routing.

Switching: VPC, VSS, VSF, VLANs, Dot1Q, VTP, STP, RSTP, HSRP, GLBP, CEF, DCEF, Port Security, Nexus OTV and Fabric path.

LAN/WAN Technologies: ACI, Ethernet, Frame relay, HDLC, Aruba wireless, PPP, T1, T3, OC Standard, 802.11a, 802.11c, 802.11g, 802.11ac, DSL, ISDN, Cisco Wireless

Protocols: IP, TCP, UDP, ICMP, NAT, DHCP, SNMP, IPSEC, SSL, HTTP, SSH, DNS, PAT

AAA Architecture: TACACS+, RADIUS, Cisco ACS

Network Monitoring and:

Management Tools: Wireshark and GNS3, Solar winds, Zenoss Core, PRTG, Net brains

PROFESSIONAL EXPERIENCE

Confidential, Sacramento, CA

Network Engineer

Responsibilities:

  • Determining the latest and updated IOS Versions for various 3750 and 4500 series Cisco switches.
  • Downloading and Staging the corresponding IOS images on to various switches based on the requirements and switch models.
  • Performing the Software IOS upgradations on various 4506 R+Es, 4507 R-E’s, 4510R+E’s, 3650 and 3750 series switches so as to make them compatible with Cisco ISE.
  • Ensuring network software and hardware versions, maintenance levels, registration, inventory, and upgrades are to appropriate levels.
  • Configuration/Installation of layer 2/3 switches, to enable traffic in and out of local area networks, to and from network hub and routing components.
  • Performing site surveys and port mapping at more than 200 MDF’s, IDF’s and data centers.
  • Replacement of End of Life 3560, 3750 and 4500 switches with new 3650, 9300’s and/or 9407 Chassis Cisco series switches so that they become Cisco ISE Compatible.
  • Responsible for cabling, labelling and Racking & Stacking of various network equipment and ensured there are no connectivity issues using ping and tracert.
  • Troubleshooting various installation issues.
  • Setup and maintained of Virtual Local Area Networks (VLANS) using Cisco multilayer Switches and supporting STP, RSTP, PVST, RPVST along with troubleshooting of inter VLAN routing and VLAN trunking.
  • Experience in configuration of AAA with ACS protocols TACACS+
  • Creating Change Request Tickets on Cherwell for Implementing any EOL switch replacement or IOS upgrades which involves scheduled down time.
  • Creating Blackout and Incident Tickets to notify the scheduled downtime and turn off any active alarms well in advance.
  • Vigilance and managing of the network using monitoring tools like Solar Winds Orion, Network Node Manager (NNM) and HP Network Automation (HPNA).
  • Creating reports for Interface utilization, CPU utilization and other network parametres using Network Node Manager i.
  • Managing Access Points AP's and Wireless Controllers WLC using Cisco Prime Infrastructure.
  • Creating detailed network diagrams of all the connected components using Visio.
  • Configured VLANs on a switch for inter-VLAN communication. Configured VLAN Trunking Protocol (VTP) on Core Switches. Configured various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches for STP, VTP Domain, VLAN, Trunking, Fast Ether Channel configuration.
  • Configuration & maintenance of Cisco2600 series routers with OSPF.
  • Configuration and maintenance of Cisco ASR routers such as ASR 1013, 1009-X, 1006, 1006-X, 1004, 1002-HX, 1002-X, 1001-X routers.
  • 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 of Cisco 7206 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 test Cisco routers and switching operations using OSPF routing protocol.
  • To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.

Environment:, Cisco Prime, Solar Winds, HPNA, Network Node manager i, OSPF, EIGRP, Out-look servers, Nexus-7k, Cisco Routers-7600, 7200, 3800, Cisco Switches-2950, 3500, 3650, 6500,4500, 4700, 9300, 9400.

Confidential, NY

Network Engineer

Responsibilities:

  • Involved in the activity of DATA-Center migration of regular Cisco catalyst switches with the new Nexus2148, 2224T,5548, 6018, 7010 using F3/M3 line-cards with 10GE & 40GE interfaces and Supervisor 2E
  • Installed, Configured and maintained2600, 3600, 7613Cisco Routers and 3750, 4500 and 6500 series Cisco Switches.
  • Configured VSS on cisco catalyst 6500 series switches.
  • Performed migration from Legacy Catalyst 6509 with SUP-720, Catalyst 4507 with SUP-6 to Nexus 7k with SUP-2E as part of the data center refresh.
  • Experienced in working with Cisco NX-OS and IOS.
  • As part of Data Center fabric remediation/refresh project, deployed Cisco Nexus switches and implemented features like FEX Links, VPC and VDC.
  • Configured and deployed VPC between Nexus 7010 and Nexus5596, 5548 switches along with FEX2248.
  • Configured and managed Cisco access layer routers and switches& carried out route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance, and offset-lists.
  • Configured routing protocols like EIGRP, OSPF & BGP and troubleshooting layer3 issues.
  • Learned and Tested various BGP attributes like local preference, MED, Weight and replicated customer issues in the testing environment lab.
  • Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
  • Implemented port aggregation & link negotiation using LACP and PAGP.
  • Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on the switched network.
  • Configured and deployed BIG-IP LTM 6900 for providing application redundancy and load balancing.
  • Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA 5500 Firewalls.
  • Configured Client VPN technologies including Cisco’s VPN client via IPSEC.
  • Troubleshot issues and outages on Trunks and Router interfaces and firewalls extensively.
  • Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.
  • Provided technical assistance for LAN/WAN management& troubleshooting and complex customer issues using Network monitoring tool’s such as Solar winds.

Confidential

Jr. Network Engineer

Responsibilities:

  • Documented the company’s design, implementation and troubleshooting procedures.
  • Performed routine network maintenance checks as well as configure and manage printers, copiers, and miscellaneous network equipment.
  • Performed scheduled Virus checks and updates on all servers and desktops.
  • Got Hands-on experience in maintaining and troubleshooting RIP, OSPF and EIGRP routing protocols.
  • Configured RIP and EIGRP on 2600, 2900and3600 series Cisco routers.
  • Implemented VTP and trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches.
  • Performed IOS upgrades on 2900, 3500 series Cisco Catalyst switches and 1800, 2600,3600 series Cisco routers using TFTP.
  • Worked on installation, maintenance, and troubleshooting of LAN/WAN (ISDN, Frame relay, NAT, DHCP, TCP/IP).
  • Configured Access List (Standard, Extended, and 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.
  • Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
  • Worked on network-based IT systems such as Racking, Stacking and Cabling.

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