Network Engineer
Resume:
David Gonzalez
Houston, Texas **002
Mobile 713-***-****
Email ***********@*****.***
Professional Experience
Randstad /Smurfit Westrock – Network Engineer February 2024 – February 2025
Experience and familiarity with networking tools, routers, switches, & wireless controllers/access points
Experience with BGP/OSPF and dynamic routing protocols
Strong attention to detail, good documentation skills, and explanation skills
Strong troubleshooting and critical thinking skills
Maintained & managed Cisco ISE to enforce NAC policies and determine authorized access
Performed network configuration & rapid deployment using Cisco ACI
LAN/WAN systems, diagnostic tools, and network protocols
Perform administration & monitor Palo Alto firewalls in the environment
Maintain Forcepoint Firewalls in the environment
Cloud administration on AWS, Azure, Cisco Meraki, Microsoft 365
Monitor & troubleshoot network environment using NinjaOne, Portnox Clear, & Cisco Umbrella
Create Visio drawings of existing network design
Analyze Network connectivity issues such as bandwidth shortage, firewall outage, down circuits and wireless outages
Perform NetFlow analysis to oversee network traffic & improve efficiency
Maintain/Monitor VMWare Virtual Environment using vSphere
Monitor Datacenter using Struxureware tool for monitoring, optimizing, and reporting on a facility's power, cooling, security, and environment.
Active Directory administration on an Enterprise wide environment
Administer, maintain, and troubleshoot on-premise server infrastructure, including
Windows and Linux Red Hat servers
Microsoft 365 administrator
URL filtering
AISD – Network Engineer Aug. 2021 – December 2023
Strong experience and familiarity with networking tools, wireless, switching and routing
Expert level experience with BGP/OSPF and dynamic routing protocols
Strong attention to detail, good documentation skills, and explanation skills
Strong troubleshooting and critical thinking skills
LAN/WAN systems, diagnostic tools, and network protocols
Maintained & managed Cisco ISE to enforce NAC policies and determine authorized access
Perform administration & monitor Palo Alto firewalls in the environment
URL filtering, DNS, VPN, antivirus, malware, SSL
Performed network configuration & access control using Cisco ACI
Struxureware tool for monitoring a facility's power, cooling, security, and environment.
The business utilizes BGP for internet routers, OSPF for the internal network
Monitor environment using Solarwinds
Create Visio drawing of existing network design
Analyze Network connectivity issues
Such as bandwidth shortage, firewall outage, down circuits and wireless outages
Maintain/Monitor Virtual Environment using VMware
Server administration including Windows Server & Linux Redhat
On-Call rotation
AWS - perform Administration, configuration, changes in the Multi-Cloud containment management service
Azure - Perform configuration, administration tasks in Active Directory. Manage all apps within the Dashboard such as VM's, SQL databases, Virtual networks, Storage for beginners.
Cisco Meraki - Build, deploy, configure, maintain all Firewalls, Routers, Switches, Wireless Access Points in all environments in all Organizations within the Meraki Management console. Monitor Firewalls, network traffic, Cyber Security issues & find root cause analysis of problems.
Insight Global – HPI – Network Engineer April 2019 – July 2021
Responsible for the installation, modification, testing and servicing on all data communications network equipment at level 3
Performed administration & engineering tasks in AWS.
Responsible assisting with networking management and monitoring.
Analyze Network connectivity issues
Maintained & managed Cisco ISE to enforce NAC policies and determine authorized access
Typical issues include; bandwidth shortage, firewall outage, down circuits and wireless outages
Troubleshoot latency & intermittent issues
Work closely with Telecommunication providers to troubleshoot circuit issues
Performed Cloud administration & engineering tasks in AWS, Azure, Cisco Meraki, Microsoft 365
Maintain VMware environment in the datacenter
Window Server Linux Redhat servers
Chevron Pipeline & Power Division – Network Engineer December 2017 - March 2020
Responsible for the installation, modification, testing and servicing on all data communications network equipment.
Provide Level 2-3 support and troubleshoot to resolve issues
Configured Core switches for Layer 3 routing & Vlans
Build & Deploy Cisco Routers & Switches for remote sites
Maintained Cisco ACI in the Datacenter environment
Perform Firewall changes on Palo Alto Firewalls on the Network
Schedule Firmware updates on Routers, Switches, Wireless Access Points
Perform hardware and software moves, adds and changes.
Implement & Maintain Firewall rules on Palo Alto 300 series firewalls
Configured and Deployed Content filtering for websites
Maintain IDS/IPS
Performed Cloud administration & engineering tasks in AWS, Azure, Microsoft 365
DNS administration
Patch Management using Ivanta (formerly Shavlik)
Server administration includes Windows Server & Linux Redhat servers
Provide Level 2-3 support and troubleshoot to resolve issues
Troubleshoot/Problem solve Cisco Router and Switch issues in a Global environment
Assign Vlans to Switches & as well as Servers via HP Virtual Connect Manager
Coordinate circuit outages with Local & Global telecommunication providers
Active Directory Security & GPO Administration
Sunnova Energy Corporation April 2015 – October 2017
Network Engineer
Design, build, & deploy new network with Cisco Meraki routers & core (Fiber) switch/switches as well as Cisco Meraki wireless access points for the expansion project at the corporate and Puerto Rico office.
Coordinated all fiber runs, Cat6 cable installation, Rack design for the Datacenter & the MDF/IDF
closets
Configured Firewall & core switch with new routes & Vlans
Segmented VOIP from data traffic
Coordinated Circuit installation with Local Telecommunication providers such as Phonoscope & Level 3 used as Primary and Secondary circuits for redundancy
Maintain and support LAN/WAN
Responsible for building new Virtual Servers and performing administration in Amazon Web Services as well as VMware
Maintain/Support Cisco Meraki Cloud based environment
Cloud administration on AWS, Azure, Cisco Meraki, Microsoft 365
Deployed Virtual Private Cloud tunnels for the US and Puerto Rico offices using Amazon Web
Services
Web filtering
Maintain/support Active Directory administration on user accounts, security groups, GPO’s, security permissions, OU containers, & terminated user accounts.
DHCP scope administration
Exchange – Office 365 administration
Perform patch management using Microsoft Intune
Monitor Network/Infrastructure environment using WhatsUp Gold, Cisco Meraki, Cacti, & Appneta
Investigate, troubleshoot, and Analyze network issues and find the root cause of the problem
Weekly Stats
Used SharePoint for Telecommunications, network, server inventory
Schedule after hours maintenance windows on network devices and servers
Monitor and maintain SAN environment
Chevron – Deepwater Exploration & Production August 2011 – March 2015
Offshore Systems Administrator
Build & Deploy Servers on HP BL460c G7 blades as well as HP DL380 G7 hardware
Rack & secure servers
Experience with Windows 2008 R2 in an Enterprise Wide Environment for the Oil & Gas Platform Jack & St. Malo
Build support and maintain Virtual server’s technology using VMWare & Hyper V
Build & maintain Symantec Anti-Virus Management software to push updates to the clients on the network
Rack, configure Cisco switches
Troubleshoot Router & Circuit issues.
Work closely with vendors on the Process Control side of the environment
Active Directory administration & support
Create Support documentation for the systems in the environment
User Accounts, Groups, Print queues.
Administer Security permissions on Folder/Files
Apply Windows Security updates to servers in the environment using WSUS
Attend project meetings to bring issues that need attention & resolution as well as provide updates on task that were assigned to me
Manage HP SAN storage devices
Travel to vendor sites to apply Technical Controls to Chevron servers
National Oilwell Varco Aug 2008 – Sept 2011
Network Operations Engineer
Maintain & Secure Enterprise Infrastructure against deliberate destruction
Monitor Intrusion Detection incidents using QRadar
Investigate Potential exploits, suspicious activity such as BotNet, Malware, Spyware…etc
Troubleshoot/Problem solve Cisco Router and Switch issues in a Global environment
Assign Vlans to Switches & as well as Servers via HP Virtual Connect Manager
Coordinate circuit outages with Local & Global telecommunication providers
Active Directory Security & GPO Administration
Remote server & VPN support
Monitor Internet activity as well as Administration using Websense Internet filtering
Investigate potential virus, network scans, & suspicious activity on Enterprise network
Perform daily security permission requests such as folders, create security groups, DL lists
Perform Network Surveillance with Q1 Radar as well as investigate bottlenecks, bandwidth utilization issues using Cacti, Fluke, & Eye of the Storm
Install, configure, & Deploy Windows 2003 R2/2008 R2, Standard-Enterprise-Datacenter on servers
Design, build, & maintain Clusters using Windows Clustering, Server 2008 R2 Datacenter, & VMware
Build, Manage, & implement Virtual Servers using VMware 4.0 & Microsoft Hyper V Technology (System Center Virtual Machine Manager 2008 R2)
Monitor servers with System Center Operations Manager
HP EVA SAN-storage administration
Responsible for racking/ installing/maintaining all HP BL460c G1 & G6 Blade servers on the infrastructure
Manage Proliant & Class C Blade servers firmware using HPSIM
Perform patch management
Applications: SQL 2005 & 2008
Install Cat 5, Fiber Optic cable, & APC PDU in racks
Server Consolidation: Microsoft HyperV & VMware
Maintain Network Operations Data Center
Halliburton-Energy Services Group May 2005 – Oct 2008
Network Analyst II
Strong analytical abilities to trouble shoot Server and Network hardware/software issues
Help build & structure NOC from ground up
Monitor Global Infrastructure
Troubleshoot LAN/WAN issues
Manage & Monitor Network environment using tools such as HP Openview, Network Node Manager, TCP/IP Utilities
Troubleshoot Bandwidth/Performance utilization using NetQoS
Administer services on Cisco Call Managers
Active Directory administration on
User Accounts, Groups, Print queues.
Administer Security permissions on Folder/Files
Monitor Internet activity as well as Administration using Websense Internet filtering
Troubleshoot/Problem solve Cisco Router/Switch, & Nortel VPN issues
Enable/Disable Serial Interfaces & ports on Cisco Routers & Switches
Monitor, manage and resolve all data network circuit issues (DS3, T-1, DS0's, DSL, Frame-Relay, PTP, MPLS) Coordinate Circuit Outages with Local & International Telco Providers
Troubleshoot VPN issues
Maintain ownership of trouble tickets
Monitor and resolve all Windows 2000/2003, Domain Controller, & Exchange Server issues on the Halliburton Domain
Support Applications & Databases such as Oracle, SQL, SAP, HipSummit, Insight, Interwise
Coordinate Application issues with Application Analysts
Coordinate Database issues with Database Administrators
Perform Tape Backup Operations using ArcServer
Help in the verification process, when adding/deleting Routers, Switches, & Servers to our monitoring tools by following proper procedures
Support and maintain all documentation
Excellent oral and written communication skills
Strong customer service skills
Ability to work well individually and in a Team environment
Education
North Harris College, Houston, Texas
Selected courses: Introduction to Computers, Interpersonal Communications, Composition & Rhetoric I
Completed courses in the following technical subjects:
Cisco Meraki
Window Server 2012 R2
Windows Server 2008
Hyper V
VMware
Dell PowerEdge servers
Synology storage
HP San – EVA & XP
HP Blade systems BL460c
QRadar
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