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Sr network Engineer Resume

SUMMARY:

  • Over 22 years of experience designing, installing, and maintaining network infrastructures. Areas of Expertise: System/Network
  • Engineering, LAN & WAN Technologies, Systems Administration, Network Security & D Confidential Recovery, Client / Server Architectures, Technical Troubleshooting & of complex D Confidential center Networks, Network Operations Support. Experience with the configuration and installation of a variety of complex CISCO designers; Main responsibilities were to Management configure, install, troubleshoot, upgrade, of Enterprise Computer/D Confidential center Networks
  • Expertise with the configuring an insulation of hardware (Cisco Routers, 1000 d Confidential center routers, 4300 remote office routers and CSS 100 Routers)/ Network protocols, NEXUS 9K,7K, 5K and 2k Cisco 9300,9200, 6400, 4500VSS Switches etc. Multicast PIM DM/SM, RIP Configuration (IPsec, TCP/IP protocol Suite, etc.) and CISCO’S IOS VPN, DMVPN, FLEX, VPN etc., Routing Protocols consist of OSPF, EIGRP and BGP, STP.
  • Cisco Security includes ASA, PIX Firewall and IDS. Palo Alto Firewalls IOS Include CISCO Naive ISO AND Cat IOS. Network Monitoring Devices CISCO WORKS, OP - Manager 8, Solar Winds, Cisco ACS Server. F5 BIG IP Etc. Troubleshooting tools., VPS’s an many more platforms. Wire Shark Snifters analysis etc. I have lots of in Cisco’s ACI Product as well and Deception grids such as TRAPX and SAN’s Network Forensic Analysis .

PROFESSIONAL EXPERIENCE:

Confidential

Sr Network Engineer

Responsibilities:

  • I provided support for the Confidential environment which included the Corporate, DR site and Remote sites.
  • I was Responsible for network Design and Implementation, Testing and installation of many aspects of DynCorp’s Global Network.
  • Designed Remote Access VPN Support For worldwide deployment over Aruba/IPsec tunnels, AND Broadband Internet connections.
  • Designed, Implemented and Maintain the NetScout (NGeniusOne) infrastructure environment to ensure the health of the Applications in the environment for the user and the tool assist in troubleshooting performance issues as well.
  • I refreshed the D Confidential center by replacing the 7ks that were (End of Life) with New 9K Switches to provide better throughput.
  • Maintained multiple D Confidential centers and ensured the network would perform without any major issues.
  • Install and configured the new NEXUS 9300 switches that replaced the old 5k to support the Fiber Extenders (FEX) environment which consist of copper and fiber units.
  • I Replaced old campus switches in our IDF closets with new stack wise virtual 9300 virtual switches.
  • I replaced the old Distribution switches with CISCO’S 4500 Virtual SWITCH SYSTEM (VSS) to improve the failover and increase reliability in the network by eliminating FHRP in the D Confidential centers.
  • I Replaced the D Confidential center CORE system with new 4500 switches using the VSS switching system configured with Multichassis EtherChannel in the d Confidential center to provide better throughput and failover when needed.
  • I Configured and supported the F5-BigIP and the GMT products in our network environment.
  • Replace the old wireless access points as part of our network refresh with cisco’s latest access points to provide better wireless coverage the environment.
  • Install and maintain the DMVPN environment to maintain connectivity for our remote sites around the world.
  • I configured QOS in the environment for some sites to alleviate congestion using DSCP markings and NBAR to classify traffic.
  • Maintain and configured the Aruba network environment for remote users who require encryption network connectivity back to the D Confidential center for various reasons.

    Installed and configure and maintained the VPC environment on the nexus switches for high availability in the environment.

  • I managed and configured the IPAM addressing system in SolarWinds to provide and distribute subnets for current and new environments as they come online.
  • I support the Palo Alto firewalls taking care of routers, switches f5’ NETSCOUT monitoring, ACS, NAC, Wireless etc. in this environment.
  • I am knowledgeable of all routing protocols such as EIGRP, BGP, OSPF AND ISIS because we used each one in one way or another to accomplish the task.
  • Knowledgeable of ITTL Manage Change Controls to manage changes in the environment.

Confidential

Cybersecurity Engineer

Responsibilities:

  • I architected and implemented a TRAP-X deception grid into the environment for multiple sites to help identify ransomware and other inside attempts to attack the network.
  • I administrated the CISCO firepower IPS/IDS to identify malware and other intrusions activity.
  • I wrote custom snort security signatures to alert/block and ransomware threats to the environment.
  • I engaged in Threat hunting within the environment for suspicious activity on the network.
  • I reviewed network scans to identify threats and potential vulnerabilities within the environment which in turn are escalated to system owners for remediation.
  • I reviewed logs and IPS events to search for intrusion and other malicious activity in the environment.
  • I reviewed firewall logs/ NetFlow and proxy logs to identify suspicious activity in the environment.
  • I worked with the cyber security analyst on many security issues when they occur in the environment.
  • I performed many Network forensics investigations using proxy logs firewalls and Full PCAP (packet captures).
  • I use a lot of my engineering/troubleshooting skills to perform threat hunting in the environment to identify potential intrusions.
  • Maintain THR’s SFTP server to provide a secure method of file transfer for day-to-day communication with vendors
  • I use many Linux tools to investigate and perform network forensics investigation such as BPFs to investigate full Packet captures, NetFlow etc.
  • I use the kill chain methods during network forensic events to help identify methods of attacks when one occurs and much more.
  • I was Responsible for Information Security awareness and sessions for other departments within the company.
  • Improved visibility of the Network Security department through effective communication with the business and other departments within IT and upper management tickets.
  • I work with network engineers to help identify vulnerabilities on all cisco equipment and implement mitigations.
  • I am also involved with vendor management to ensure the logging and incident handling is successful.

Confidential

Sr. Network Engineer

Responsibilities:

  • I am a highly skilled network engineer who has worked and help to solved major routing, switching and network performance issues within Confidential ’s d Confidential center and remote networks.
  • I help Solve Complex Routing and Switching problems to facilitate the network Migration into the NGDC.
  • I Troubleshoot, diagnose and repair routing and switching network issues on a global scale.
  • I perform Day to day support of the company’s domestic and international networks (147+ countries) and Confidential world headquarters in Lower Manhattan.
  • I am Trained in the use of Network Forensic tools such as Wireshark, Net Scout, and OPNET tools to resolve performance issues.
  • I participated as a member of a SWAT Team of highly skilled network engineers for deep dive analysis and expedited problem resolution.
  • I utilize the Apcon matrix switches and the infinistream sniffers to aid with the analysis of network performance issues.
  • I use the Orion Network analyzers and CA NetFlow tool to manage the network’s bandwidth and analyze network performance.
  • I worked extensively with Nexus 7k, 5k and switch’s Fiber extender daily to support

    Confidential ’s global network.

  • I have had in the use of the Citrix NetScaler devices and Cisco’s ACI product.
  • Knowledgeable and experience with the use of all the major Router and switching protocols.
  • I troubleshoot many DMVPN/ VPN and problem resolution within Confidential ’s network infrastructure.
  • I troubleshoot and resolve network and Firewalls/ VPN switches and router issues to maintain connectivity for the global network.
  • I Work with other engineers on Network outages to find root cause for the problems when required.
  • Knowledgeable of ITTL Manage Change Controls to manage changes in the environment.
  • Monitor the network for security threats and other abnormal activity that can compromise the environment.
  • Maintain and configure remote LAN’s and High-speed WANs for remote offices all over the world.
  • Solve issues Relating to IPSec tunnels, VPNs, Routing Issues and whatever other problem that occurs.
  • I work some wireless issues when required at the branch offices or d Confidential centers and much more to keep the environment running properly.

Confidential

Sr. Network Engineer

Responsibilities:

  • I Configure deployed and installed new 3600 Integrated Service Routers at remote sites.
  • I Supported the MPLS rollout to multiple plants and sales offices around the Country.
  • I Configured VRF’s to support Two ISP carriers and to separate the internet from the d Confidential network.
  • I Configure BGP/EIGRP on the routers to support the current network and the new MPLS rollout.
  • Install and configure Net Flow Analyzer to monitor the network and produce Reports.
  • Configure and install ASA firewall at the DR SITE and the core network.
  • I Designed and implemented a Guest Wireless Network for the corporate office.
  • I Configure COS Policing to restrict bandwidth for the guest wireless network to prevent abuse.
  • I perform Daily Network Monitoring and maintenance on the network at the CORE and Disaster

    Recovery and remote sites.

  • I Back up Network configures/ upgrade the routers and network switches when required.
  • I Installed and configured Wireless access points at the Core office and the Remote sites.
  • I Configured and maintained Wireless Controllers in the network to support LWAPP access points.
  • Maintain Cisco 6509s switches and ASA firewalls along with multiple routers and switches.
  • I Clean up the LAN base IP-SEC VPN’S on the network in line with implementing the MPLS routers
  • Maintain LAN base VPN connectivity to the Disaster Recovery site to provide connectivity.
  • I use Wireshark Analyzer to trouble shoot routing issues and connectivity problems in the Network.
  • I Work with DS3 WAN circuits, T1 outages with the LEC’s and Carriers to resolve connectivity issues.

Confidential

Sr. Network Administrator

Responsibilities:

  • I Configured and installed new 3600 series Integrated Service Routers at remote sites
  • I Managed new Site Setups for all new Sites throughout the Company.
  • I Configured and installed IPSEC tunnels to provide network connectivity to remote sites that did not have a WAN circuit at the time.
  • I Configured and Implement OPT-E-MAN Circuits at many remote sites to provide better bandwidth.
  • I Configured and installed Riverbeds at several of ours sites to optimize the d Confidential on the circuit.
  • I Maintain and Configure 5520 ASA and 5505 firewalls to provide connectivity to our remote offices.
  • I Configured 20 to 30 SITE TO SITE VPNs for new offices to have connectivity to the home office
  • I Maintain Orion Network Monitor/Network Configurator to update routers switches.
  • I Configured and installed all types of CISCO wireless Devices 802.x throughout the network to provide secured wireless connectivity inside and outside.
  • I Work with WCS and 4000 series wireless controllers to help deploy Access Points.
  • I Implemented the new MPLS environment and used BGP to provide connectivity to the remote’s sites.
  • I Configured OSPF /EIGRP for our internal network at the Head Quarters.
  • I Installed and Configured 3750/3650 L3 Stackable switches in the CORE network and the Portable building to provide network connectivity at remote offices through the Company.
  • I Configured and installed 4507’s switches redundant supervisor’s modules in the MDF closets.
  • I Design Sites Setups for all the new Offices that open around the country and international.
  • I Configured Steelhead Riverbed Devices in the network to provide optimization at remote sites. I Work with carriers to provision WANs, T1's, T3's, MPLS and other circuits to provide connectivity to the remote sites.

Confidential

Network Engineer

Responsibilities:

  • I Installed, Configured and Maintain the OPT-E-MAN and Giga MAN Layer 3 Networks throughout the district.
  • Brake fixes/Configuration of Cisco Wireless 1401N and 1410 Bridges, installed a configured
  • Configure and install 1200 Aironet Wireless Bridges with LEAP and WPA/WPA2 throughout the School

    District using WDS and WLSE and Light Wight Access Points to maintain the wireless network.

  • Redesigned Layer 3 Networks at various High School and Middle School Campus’s to support the New DHCP scopes.
  • Installed and Configured 3750/3650 L3 Stackable Switches in the CORE network and the Portable

    Buildings to provide network connectivity.

  • Install configure and maintain 4506 E switches layer 2 switches with supervisors 720 engines at many of the schools to provide connectivity to the Campuses.
  • Install configured and maintain 6509 E switches with 720 sup modules at each high school and middle schools to provide connectivity to each Campuses.
  • I Configured uplinks on Switches/Routers to attach portables building to the Core network at each school.
  • I Configured management VLAN’s and Native VLAN’s for the Wireless network
  • Configured (VTP) Vlan trunk protocol on newly installed switches at each Campus.
  • Configure and maintained high speed OPT-E-MAN and GigaMAN circuits for schools throughout the district.
  • I Configured and maintained and troubleshoot ASA and PIXs Firewalls to support the districts operation.
  • I Configured site to site VPNs for multiple sites in the district
  • I Configured SSL VPNs using AnyConnect for users to access the network remotely
  • Configure and maintain Multicast throughout the network environment.
  • We were Responsible for the 20-million-dollar upgrade of 140 schools in FWISDs district.
  • Configured 3810 routers controllers (WIC) service-module for new routers for T1 circuits. Etc.
  • I was also responsible for FWISD Field technicians to resolve network problems and install and configure Cisco routers, switches/wireless devices throughout the environment.

Confidential

Network Analyst

Responsibilities:

  • I Provided industry leading proactive network monitoring for North America, L Confidential M and Japan regions.
  • I Perform level 1 and 2 type troubleshooting, isolating and resolving complex network related outages for North America, L Confidential M
  • I Provided level 1 and 2 LAN/WAN support, perform hands on problem determination, manage break fix vendor/carrier problem.
  • I Worked with vendors, clients, and other internal Confidential Technology Infrastructure organizations to troubleshoot, identify and solve technical problems.
  • I Supported mission critical devices, which interfaced with CitiFinancial Branch’s around the world.

    I performed troubleshooting for outages in a 24 X 7 environment to maintain production readiness.

  • I Provided support for WAN/LAN day-to-day operations.
  • I Performed installation and implementation of network equipment such as Cisco switches, Cisco routers, Adrian CSU’s/DSU’s, and any other network related equipment.
  • I maintain network performance at levels set by contract Service Level Agreements. Responsible for ensuring the availability of production networks, managing planned and unplanned outage resolution and communicating network outage conditions to Senior Mgmt. and much more.

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