Network Engineer with Enterprise Experience

YVONNE HERRO

**** ******* ***** *****

Manasquan, NJ 08736-4001

Cell 732-***-****

******@*****.***

Profile:

●IT Professional administering large-scale systems and building infrastructures.

●Work with enterprise management teams on various projects.

●Skilled at analyzing and solving complex problems.

●Excellent communication, interpersonal, and organizational skills

●Team member focused on offering services to exceed customer expectations.

CERTIFICATIONS:

CCNA – Cisco Certified Network Associate

JNCIS-ENT– Juniper Certified Internet Specialist and Enterprise Routing and Switching

MCSE - Microsoft Certified Systems Engineer

MCP+I - Microsoft Certified Professional + Internet

CCIE in progress.

EDUCATION:

St. John’s University

Bachelor of Science, Computer Science,

EXPERIENCE:

TISTA Science and Technology Corp

NETWORK ENGINEER January 2024 - Present

●Provide support for Service Request

●Supported Change Requests on Cisco systems

●Troubleshooted Network and Systems Issues.

●Perform deployments of the application packages on the Node route instances (RI)

●Communicate the project-related tasks such as plans, timelines, requirements, etc. between different teams.

●Coordinate the release schedule and resources required depending upon the third-party applications,

●defect backlogs, planned releases, and infrastructure updates.

AT&T MIDDLETOWN, NJ

NETWORK SYSTEM DATA ENGINEER August 2022 – January 2023

●Provide support for Ciena EMUX E-Line devices that are deployed in Cell Towers and Corporations which are managed by the ESM system in AT&T IPAG network.

●Configured and deployed LAN and WAN network connections

●Troubleshooted Network and Systems Issues.

●Perform Root Cause Analysis: Conduct thorough investigations to identify the root cause of network issues.

●Managed Certification test for XML based API between OSS and Ciena Ethernet Management System (EMS).

●Perform deployments of the application packages on the Node route instances (RI).

●Support for APIs that cover VLAN Service Provision, encapsulation mechanisms for Q-in-Q or 802.1Q frames, QoS, SFP/XFP, Policing

VERIZON WIRELESS BRANCHBURG, NJ

NETWORK SYSTEM ONT ENGINEER November 2021- October 2022

●Managed lab devices for the iEN VERIZON Cloud network planning team supporting automation for web applications.

●Supported SDN environment for the Domains in the MPLS iEN Network.

●Troubleshoot complex network-related issues.

●Provided Tier 4 support for production and development issues in the MPLS Network.

●Design the network topology for both LAN and WAN connections.

●Configure LAN switches, routers, and WAN devices according to the designed network topology.

●Support infrastructure includes: (Nokia 7750 SR, Ciena 6500 PTS, 3926, 5170, Cisco ASR. NCS 40xx/42xx 540/560, Juniper MX960/2020)

●Define Requirements to determine the bandwidth requirements for the E-Line circuit.

●Supported Segment testing and new features using automation Scripts and CLI Templates.

●Perform network management and configuration.

●Supported NETCONF/YANG devices with management tools Cisco EPNM and Ciena ESM.

●Supported the development of the Barcode Network Creation (BNC NC) application servers.

●Managed the lifecycle of the web application code releases, updating release notes and documentation on Web pages.

●Work with AGILE method supporting SCRUM masters and manage software deployments..

●Work with the JIRA ticket system to manage tickets and track issues.

●Troubleshoot Automation error handling using (Karaf/Syslogs) and generated RCA reports.

●Implementing and troubleshooting Microsoft 365 and Microsoft Azure services

AT&T MIDDLETOWN, NJ

NETWORK SYSTEM ARCHITECT ENGINEER March 2018 - October 2021

●Lab architect providing end-to-end support for Mobility Network (MTSO); OSS ECOMP (PST) Network Elements with (nx10GE) EVC UNI/NNI interfaces in a multivendor Platform.

●Support Backhaul architecture for testing and certification for the Switch Ethernet Services in MPLS Network.

●Troubleshoot and resolve L1 – L4 network issues (L2VPN/L3VPN, IPSEC, VPLS-PE Routing/Switching and Performance).

●Install and configure network services, L2 and L3 routing protocols (VPN, ISIS, BGP, OSPF) with dual stack IPv4/IPv6

●Configured LAN and WAN Network Connections this includes infrastructure (Ciena 6500T; 393x/3940; Ciena 5170; Ciena 5140 Cisco Catalysts; ISR G2 4451/4300; 901, ASR 9010, NCS 5501 6K/7K; Juniper MX960/480; Nokia 7k SR; (White-Box) Vyatta/Accton

●Support WAN technologies including MPLS, QoS, DMVPN and circuiting.

●Setup E-Line circuits working to establish dedicated Point-to-Point Ethernet connection between customer locations.

●Install and configure Operating Systems for Cisco IOS, Linux OS, Ciena SAOS, BIOS, Firmware, Patches and SMUs.

●Implemented test-bed topologies to support network certification testing for Port and VLAN based QoS and CoS Services.

●Support SDN lab environment with Ciena ESM (Ethernet Service Manager) supporting Cloud Node devices.

●Virtual Center administration and troubleshooting with VMware ESXi

●Install and support Virtualization environment turning up VNFs with basic configures, components, and different flavors.

●Install and test APIs automation Templates and Scripts in cloud regions for application test cases.

●Work with JIRA system tracking problems Change Request and provided management with RCA reports.

●Support procedures and technical documentation such as CCR and MOPs

.VERIZON WIRELESS BRANCHBURG, NJ

NETWORK SYSTEM ADMINISTRATOR January 2016 - March 2018

●Maintained Data Center lab space, configured, and implemented topologies in Multi-vendor infrastructure for CLOUD Computing

●Support Cloud Technologies like Google Cloud Platform (GCP) and Amazon Web Services (AWS) provisioning virtual machines, containers and serverless resources on both GCP and AWS.

●Installed and configured Routers, Switches and Server devices (Ciena 39xx; Cisco Catalysts, Nexus 9k/7k/5k, ASR 1k/9k, NCS 6k, CRS; Juniper MX960/480; Arista 7280; HP C7000, DL360, and DELL S6000).

●Managed implementation of phases for Core Migration project with Virtual Center administration

●Supported the SDN environment for Domains in the core Multi Service Edge Network (MSE) on Linux base systems.

●Virtualization Administrator for VMware ESXi and RHEL OpenStack, turning up VMs, and supporting dockers and containers.

●Configure and troubleshoot issues with Layer 2 and Layer 3 routing protocols (L2VPN/L3VPN, BGP, OSPF, ISIS)

●Performed network analysis and troubleshoot performance issues using Network Management tools.

AT&T MIDDLETOWN, NJ May 2013 – October 2015

SYSTEM ADMINISTRATOR

●Supported Cloud Network components and features from L1-L4 in a multivendor environment.

●Managed the Provision and monitored devices in the network for network components, Cloud services, servers and applications.

●Optimized Network and System Services for virtual machines, servers, and software applications.

●Developed test plans and implemented test cases for performance testing and new features.

●Performed testing with Mobility infrastructure, analyzing problems supporting VoIP SIP.

●Troubleshoot network issues with IP Protocols IPv4/IPv6, BGP, OSPF and VRRP.

●Work with AWS team Engineers to design and implement network solutions.

●Installed and configured IOS images and setup Firewalls for security.

●Created scripts for configuration deployments, worked with CCR, DGs and MOP documentation.

●Interacted with external vendors including Cisco, Ciena, and Juniper, IXIA and Spirent.

.

HEWLETT-PACKARD/PROCTER & GAMBLE, AVENEL, NJ November 2010 - May 2013

NETWORK ENGINEER

●Managed Cisco Network infrastructure provided support for L2/L3 routing protocols and ACL security policies.

●Installed Wireless network, configured Cisco 2504 controller using AIRONET 1250 Access Point

●Project manager for the deployment of VoIP using CUSM and Cisco Unified Call Manager.

●Provided Tier 3 support, troubleshooted, and resolved network routing issues with protocols BGP, and OSPF.

●Managed Checkpoint firewall and monitored network performance and system availability.

●Developed and Implemented process documentation (DG and MOPs)

●Interact with external vendors BT, Cisco and Juniper resolving network issues.

SYSTEM ADMINISTRATOR

●Install, configure, and maintain an organization's local area network (LAN), wide area network (WAN), data communications network, operating systems,

●and physical and virtual servers.

●Deployed Windows images, maintained DHCP, AD and DNS services.

●SE for applications using Oracle databases with SQL managing SAP.

●Performed Asset Management, Change Management, Disaster Recovery and Network backups

●Managed HP ticketing system; resolving system servers and network connectivity problems

TELECOM CONSULTANT, MOUNT LAUREL, NJ July 2009 – October 2010

NETWORK ANALYST

●Provided Tier 3 support in NOC.

●Monitored traffic flow tests on L2 Ethernet Switches.

●Managed Firewalls SRX210/240 and Cisco 7200 broadband routers.

●Supported Voice/Data circuits using network tools.

●Perform system monitoring and verify the hardware, network, and server resources and systems.

●Performed RCA audit reviews, troubleshooting and resolving problems for network outages.

●Supported ticket process capturing all incidents.

●Work with internal and external vendors on various projects.

INTERNATIONAL FLAVORS AND FRAGRANCES (IFF), HAZLET, NJ June 2002 – May 2009

SYSTEMS ENGINEER

●Supported ERP SAP on RH Linux servers, interacting with client services to resolve network issues.

●Managed Ethernet L2/L3 core edge devices supporting network security with firewall policies and ACLs.

●Monitor network and perform analysis using Cisco Works.

●Performed application testing on new technology, upgrades, and patches for Cisco IOS.

●Developed technical specifications for purchase of network hardware and software products.

SYSTEM ADMINISTRATION

●Provided 24x7 support for Enterprise Data Center.

●Virtual Center administration and troubleshooting

●Configured and Managed Windows Servers, Upgrades, DHCP, DNS and AD.

●Implemented ITIL procedures with Change Management.

●Created scripts automating tasks with packages in SCCM for deployments.

ASSOCIATED PRESS, CRANBURY, NJ May 2000- June 2002

APPLICATION MANAGER

●Provided support for internet e-commerce products and services.

●Developed and implemented procedures for production environments on various BEA applications.

●Managed Change Management process for requests in environments (QA and Production).

●Supported implementation plans for application deployments.

TECHNICAL SKILLS:

OPERATING SYSTEMS: RH LINUX, CISCO IOS (IOS XE, IOS XR), JUNIPER JUNOS, CIENA SAOS

HARDWARE,UTILITIES MONITORING TOOLS:

ROUTERS/SWITCHES

●CISCO ASR9K SERIES

●CISCO CRS, NCS 5501, 6k/7k, 4009/4016 4202/4216

●CISCO ISR 800, 901, 1900, 2900, 3900, 4000 series, Catalyst 3800, 6500 ; XRV9000

●CIENA 6500 PST and 6500T/6500S, 3926, 393x, 3940, 5140, 5170

●JUNIPER MX2020/960/480, QFX5100, EX4300

●NOKIA SR 7710, Nokia 7750, 7850

●ARISTA 7100/7280 series

●HP C7000 BLADE SYSTEM, D3700, DL360, 5900

VIRTUALIZATION PLATFORMS

●VMware/vSphere Server

●VMware Workstation, ESXi Server

●VNF (RI, SU, PE)

●E-Line and. E-LAN CIRCUITS

●EVC (Ethernet Virtual Circuits) ERS/EWS

●Cloud Computing AWS, AZURE, GCP

●Telemetry

NETWORK MANAGEMENT - TOOLS & TECHNOLOGIES

●Ciena Ethernet Management System (EMS)

●Cisco EPNM

●SNMP (Community strings, Syslog, Karaf logs)

●Scripting PYTHON, JAVA, Shell UNIX/LINUX

●UCS

●Wireshark

●Barcode – BNC

PROTOCOLS/

TOPOLOGY:

PROTOCOLS

●BGP, OSPF, TCP/IP, UDP, IS-IS, EIGRP, IPv4/IPv6 Stack

●MPLS TE (Traffic Shaping, Classification, Policing, Queuing, Scheduling

●LDP and RSVP TE

●L2 VPN and L3 VPN

●802.1AD, Q-in-Q, 802.1Q

●VxLAN; VPLS

●VLAN Tagging

●Netconf/YANG

●VRRP, HSRP

● STP/RSTP; SIP; VOIP

●MULTICAST; UNICAST

FIREWALLS/SECURITY

●Cisco ASA; Juniper SRX Series, Fortinet FortiGate

●SonicWall TZ Serie; F5; Checkpoint;

●Palo Alto firewalls

WAN AND L1/L2 TECHNOLOGY

●QoS

●EoMPLS; Ethernet - SPF/SPF+/QSPF NE Interfaces 1G/nx10G/40G/100G/1000

●Fiber Optic (SMF/MMF); Copper CAT6

●Ethernet Virtual Circuits (UNI/NNI)

TICKET SYSTEM – JIRA/RALLY

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