Sr.network Engineer/lead Resume
Fresno, CA
SUMMARY:
10+ years of experience in routing, switching, firewall, Wireless, VoIP technologies, Systems design, administration:and troubleshooting.
TECHNICAL SKILLS:
Network Protocols& Standards: TCP/IP, PPP, HSRP, RIP, BGP, IGRP/EIGRP, OSPF, PIM, IPSec VPN, DMVPN, GRE, NAT and QoS.
Routers : Cisco ASR 9000, 1000, 7200,3800,2900, 800 series,4000 series.
Switches : Cisco Nexus 9k,7k, 5K,3k,2k, 6500 VSS, 3750, 3560,2950, IE3000, HP Procurve 4813,Cisco Catalyst 9606,9410,9500,9300.
Firewalls : Cisco ASA 5550, PIX 515, Checkpoint 12200.
Wireless : WLC 2500,4400,5500 series, 1200,1300,3500 3600,3700 series AP's.
VoIP : CUCM 12.5, Unity UCCE 12.0,Cisco 8800,8900,7900,8821,8831 series phones.
Load Balancers : F5 BIGIP
Security protocols: IPSec, Radius, SSH, and TACACS
Scripting Languages: Begineer level Python and VB.
Services: DNS, DHCP, NTP, SNMP and syslog.
Tools : Solar winds Engineering tool set, Orion,Whatsupgold, Wireshark,Netflow,NeScout,NetBrain Splunk,Voyence,Bluecat,Infoblox,Angry IP scanner, Cisco Prime Remedy ticketing system, Service now, CA DSM.
Operating Systems: Windows and LINUX
WORK EXPERIENCE:
Confidential, Fresno, CA
Sr.Network Engineer/Lead
Responsibilities:
- Architect for Wireless networking solution offerings in environments mixed vendor environments for hospital and remote site including deploying new Cisco 5520 Wireless controller.
- Hands on experience in Installation of Merakai MX - 400.
- Configure and troubleshoot Cisco 3600, 3700 series Lightweight access points access points using Cisco 5500 series Controller.
- Worked on Cisco Prime To update heat map and design new building and floors for different location for hospital.
- Responsible for the manual install of access points, software updates, and the replacement of outdated wireless networks.
- Worked on Migrating phone system from Avaya to Cisco.
- Deployed and managed approximately 2500 Cisco IP phones, Confidential hospitals and remote locations.
- Worked on Cisco Call manager to configure Cisco Phone,build route Partation,calling search space,intercom.
- Configure and troubleshoot VoIP via Cisco Call Manager/ Unified Communications.
- Configure Cisco PCD 7925 and 8821 phones for hospital staff and educate the onsite staff and be available for questions/troubleshooting.
- Configured voice gatewys VG310,VG224,VG320 according to coustmer requirements.
- Performed Cutover from Avaya to Cisco on nearly 5000 phones including changing route patten on Avaya to route call to new Cisco System.
- Setup Informacast to replace overhead paging and broadcast message to all cisco phones on zone based.
- Built partition,calling serach space and translation pattern for Ringdown phones.
- Provisioning of phone and user profiles, speed dials, name changes with CUCM 10.1,11.0.1,11.5 and 12.5 on 8800,8900,7900,8821 series phones and voicemail on Unity Connection UCCE 11.0 and 12.5
- Configure Cisco Phones in bundles using bat files, running taps and run query to push additional information in bulk.
- Built phone template for 8845, 8945, 8811 and 8821.
- Troubleshoot Cisco 2960/3750/4510/6509 series switches, Controllers: 2504/5508, Cisco AP's:3600, 3700 series.
- Receive escalations and investigate root cause of outages, report break/fix measures.
- Provide technical advice to NOC and junior engineers .
- Create change records, perform IOS upgrades/downgrades, RSM (route switch module) maintenance, and bug scrubs.
- IOS upgrade on 6509 VSS using ISSU.
- Used Port span on 6509 to collect data on wireshark for further analysis to troubleshoot patiet critical application.
- Worked with Cisco TAC's on different issues for Wireless,Network and VoIP.
- Assist the Hospital staff with configuring their hospital devices hardware for the Wired or Wireless network.
- Planned, tested and evaluated various equipment’s, systems, IOSs and procedures for use within the Network security infrastructure.
- Configure NAC for Wired and Wireless for port security.
- Provided testing for network connectivity before and after install/upgrade.
- Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet and Gigabit Ethernet channel between switches.
- Used Solarwind Orion for port monitoring for all network device in hospital and remote.
Confidential, Torrance, CA
LAN/WAN Network Engineer
Responsibilities:
- Responsible for service request tickets generated by the helpdesk such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support
- Configured Cisco Routers for OSPF, EIGRP, Static and default route.
- Studied HTTP, telnet and SSL traffic using Wireshark and sniffer tool.
- Responsible for Assigning and Reclaiming IP address Using IPAM as per costumer request.
- Responsible for raising Asset tags for all network devices as per Confidential policies.
- Coordinate with Verizon and Confidential & Confidential for WAN circuit activation for various Confidential sites.
- Once trouble ticket has been created keep customer informed of status of ticket and estimated time to repair.
- Performed network security equipment installs, removals and upgrades.
- Configuration and troubleshooting link state protocols like OSPF in single area and multiple areas.
- Redesign of Internet connectivity infrastructure for meeting Confidential requirements.
- Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
- Providing Technical Support and solutions for Network Problems.
- Experience in configuring the virtual IP’s, pools, I rules and profiles on F5 LTM.
- Experience with SSL-Offloading with LTMs
- Load balancer design and implementations based on business unit requirements for configurations.
- Configured and Analyze Blue coat WAN accelerator and packet shapers.
- Monitor network performance using NetBrain and Solarwinds.
- Upgrade WAN accelerator and packet shaper license and software’s.
- Troubleshooting LAN and WAN problems, Application slowness issues.
Confidential
LAN/WAN Sr. Network Engineer
Responsibilities:
- Diagnosed and corrected failures with several hardware types, and assisted in migrations and refresh of hardware.
- Analyze, support, plan, execute and organize updates of network change applications as needed.
- Assess the present network infrastructure and layout.
- Performing checker role on approximately Cisco Devices such as 3850, 4500 series in LAN refresh project includes upgrading from Cisco 3550 to Cisco 3850 for Confidential network.
- Perform capturing all relevant show commands as well as creating a matrix report for all devices effected using CRT scripts.
- Troubleshooting the network for the network connectivity issues and network performance issues.
- Communicate any missing items, interface connections or errors found during implementation of new device to local team.
- Responsible to ensure that the Implementer does not deviate from the implementation plan.
- Create documentation for Checkers Responsibility for latest projects and updating Checkers Checklist with important show commands for successful results.
- Performed onsite support for Confidential by installing, configuring Cisco 2960X and 2960S switches and 3900 series router for upgrade project.
- Coordinated with different teams and Project manager and make Confidential & Confidential project a success.
- Coordinate with Cisco Tag to replace faulty hardwares.
- Coordinate with Client engineers to get remote access for there devices from there systems.
- Assisted on-site techs to troubleshoot local issues with fiber and copper.
- Coordinate with Verizon to activate new circuit for T1 links For TD bank across US.
- Configured 2911 for T1 bundle multilinks for Confidential Upgrade
- Switch Configuration for new Router on a stick connections.
- Configured Routers for new Voice configuration and remove legacy Configuration includuing dial plans.
- Troubleshoot BGP related issue with service providers for new installed T1 links.
- Troubleshoot Cisco Phones after new Voice deployments.
- Trace Mac address for new phones and configure switches with correct Vlans.
- Configured and Troubleshoot new Router with Confidential configuration.
- Provide next day support for Client and make sure everthing was up and running.
- Provide technical advice to NOC enginner in case of any issue.
- Performed Network Discovery from very little information provided by Client and Created Network diagrams.
- Did Rack Elevation diagram for new Network Purposal.
- Provided High level and low level design according to Confidential standards to Cisco and Confidential for new network purposal.
- Assisted team lead to choose network hardware for new design including switches, routers, WLC.
- Worked with Wireless team to analyze current network and provided feedback for area of improvement .
Confidential
Team Lead and Sr.Engineer
Responsibilities:
- Rack Elevelation Diagram for new IDF and MDF deployment.
- Network Diagram for new and exisiting Confidential Network.
- Worked with Level 3 for deloying new Internet Circuit Confidential site.
- Created Access and Core configuration for 3850's with best industrial practice.
- Designed virtual stack for 3850 and deploy them as core switches for network.
- Migrate Legacy Brocade Core switch to new Cisco 3850 stack Switch.
- Assist Wireless Engineer on 5520 Controller for creating new WLAN's,Mobility group for roaming between legacy and new system, move AP's from old 5508 system to 5520 Controller.
- Helped client to open some ports on firewall and help cleanup some ACL's.
- Replaced old legacy static routing with Confidential .
Confidential, Bakersfield, CA
Network Engineer/Admin/Lead
Responsibilities:
- Project is to perform compliance assessment of PCN network within SCADA, identify technical and process gaps.
- Remediation of gaps found during assessment.
- Document audit findings and remediate gaps found during Self Audit.
- Establish evergreen process framework for sustain compliance status using Voyence and Orion tools.
- Confidential -Life of Well Information System (LOWIS) Assessment
- Project is to perform compliance assessment on LOWIS Application, identify technical and process gaps. Assessment of all network devices
- Worked on the compliance requirement for each infrastructure asset class as per Information Risk Standards
- Worked on performing compliance assessment of all in-scope infrastructure network assets
- Experience with Voyence tool to generate weekly compliance report.
- Experience with Orion (Solar Winds) for mapping network diagrams, updated Orion with commissioned and decommissioned network devices.
- Worked on IPAM tool for providing Subnet and prepared master inventory lists for all network devices.
- Worked on remediation and verification for technical and process gaps.
- Worked along with the team in ticketing issues; responsibilities included documentation and support other teams.
- Planned, tested and evaluated various equipment’s, systems, IOSs and procedures for use within the Network / security infrastructure.
- Installation, configuration and maintenance of Cisco Catalyst Cisco 6500 (sup 720), 4500E (SUP 7- Confidential ), 3750G, 2950 series Switches.
- Provided testing for network connectivity before and after install/upgrade
- Daily analyzed network traffic looking for trends and or malicious activities using Splunk, created vulnerability report with action plans
- Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
- Created network diagram from scratch for all Confidential sites SJV typical office and field network.
- Interpret metrics and participate in the development of appropriate actionable plans for the definition of a new and/or improvement of an existing ITIL process.
Confidential, Chicago
Network Engineer
Responsibilities:- Ensure risk reduction through implementation of different security policies.
- Hands on experience working on packet sniffer and network monitoring tools.
- Analysis layer 2 related problems such as VLAN, HSRP, VSRP, IPSEC tunneling.
- Worked with Cisco ACI, ASR and nexus series datacenter switches.
- Configuration of IP routing protocols such as MPLS, OSPF, BGP, RSVP, QOS, Multicast.
- Worked with NAT, DNS, DHCP, GLBP, IPAM, WCCP, DHP snooping and NTP.
- Design network intrusion detection system and implementing supporting backup program.
- Experience in Switching L2/L3 and different platforms of Cisco switches including Nexus Platform, NX1K, 3K, 5K.
- Configure OSPF, different areas, virtual area, route redistribution, LSA, route filtering, authentication etc.
- Installation, configuration and maintenance of Cisco Catalyst Cisco 6500 (sup 720), 4500E (SUP 7- Confidential ), 3750G, 2950 series Switches.
- Provided testing for network connectivity before and after install/upgrade.
- Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet and Gigabit Ethernet channel between switches.
- Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations.
- Performed network security equipment installs, removals and upgrades.
- Configuration and troubleshooting link state protocols like OSPF in single area and multiple areas.
- Redesign of Internet connectivity infrastructure for meeting Confidential requirements.
- Analyze and Monitor Confidential Consumption and Network Traffic using Whatsup Gold
Confidential
Junior Network Engineer/Network Engineer
Responsibilities:
- Assisted in troubleshooting LAN connectivity and hardware issues in the network.
- Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
- Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
- Monitor performance of network and servers to identify potential problems and bottleneck.
- Performed RIP & EIGRP routing protocol administration.
- Assess Wired Cabling infrastructure Identify Copper connections . Identify Fiber Uplinks (Multi-mode or Single mode) Identify cable pathways.
- Troubleshoot problems on a day to day basis; provide solutions to fix the problems.
- Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
- Managed the IP address space using subnets and variable length subnet masks (VLSM).
- Worked along with the team in ticketing issues; responsibilities included documentation and support other teams.
- Configured Cisco Routers for, IGRP, RIPv2, EIGRP, Static and default route.
- Worked on HSRP for hop redundancy and load balancing.
- Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.
- Provided testing for network connectivity before and after install/upgrade
- Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations.
- Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external.