Summary
Overview
Work History
Education
Skills
Certification
Core Technology Competencies
Timeline
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David Deaton

Irving,Texas

Summary

Professional Information Technology Specialist with over twenty-four years' experience with various operating systems, server and network management, security analysis, diagnosis, repair, installation, documentation, training, and staff leadership experience.

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Overview

12
12
years of professional experience
1
1
Certification

Work History

Senior Systems Security Engineer

Theatro
Richardson, TX
01.2019 - Current
  • Tier 3 Systems Security Engineer for Richardson site and Cloud Microsoft Azure infrastructure that configures, administers, and maintains Cisco Catalyst network equipment, Pritunl and Fortigate vpns, Fortigate firewalls, and Windows and Linux servers while maintaining CIS and NIST CSF security compliance
  • Implement security controls at Richardson site and Azure Cloud environment based on NIST CSF and CIS top 20 controls
  • Led Projects for proof of concept to production environment for various security tools such as: Security Onion SIEM, PRT monitoring server, Fortinet FortiGate, OpenVPN and Pritunl VPN, Opnsense and Pfsense firewalls, Suricata IDS, Trend Micro E-mail Security gateway, and Wazuh SIEM
  • Led Project to secure the existing network infrastructure using vlans, firewall controls, managed switches, MFA, and secure jump box servers
  • Led Project to convert existing wan infrastructure to SD-WAN

Fleet Firewall Engineer

Vistra Energy Group
Irving, TX
01.2018 - 01.2019
  • Tier 3 Fleet Firewall Engineer that configured, administered, and maintained Windows 2016 servers and Palo Alto firewalls for over 20 power plants utilizing NERC security controls
  • Assisted project on updating all Palo Alto firewall configurations using Palo Alto Panorama
  • Led Project to upgrade network infrastructure to merge layer 2 v-wire and layer 3 Palo Alto networks for the Vistra power plant fleet
  • Assisted project to maintain and update server and firewall security baselines according to Nerc compliance at all Vistra owned Texas powerplants

IT Administrator

M-files Inc.
Plano, TX
01.2018 - 01.2018
  • Maintained and administered Windows Server infrastructure which includes: six Active Directory Domain Controllers for over 550 users, Exchange 2016 servers, WSUS, Veeam servers, F-Secure Protection Service for Business server, and M-Files server on VMware 6.5 Vmhosts
  • Assisted project on moving exchange 2016 on premise computer users to Exchange Online
  • Lead project to test and utilize PhishMe Small Business Server to introduce phishing training to computer users
  • Assisted project to migrate on premise exchange 2016 e-mail accounts to Exchange Online for office 365 computer users.

Enterprise Security Analyst & VMware Systems Engineer

Triumphgroup Inc.
Arlington, TX
01.2012 - 01.2017
  • Monitored the security of critical servers, audited changes to highly sensitive computer security controls, investigated and reported irregularities for security baseline, utilized forensics, sniffers, and malware analysis tools
  • Collateral duties include Tier 3 systems engineer role to create, administer, and maintain VMware Vmhosts, Windows 2003 and 2008 virtual machines, and Centos virtual machines for 8 sites
  • Secondary duties included: network support for 3 sites
  • Assisted project on standing up AlienVault SIEM for security compliance
  • Assisted project on implementing Nexpose vulnerability scanner used to scan server and workstation vulnerabilities and security updates
  • Assisted project to implement phishing training using PhishMe small business server
  • Key role in implementing a datacenter move of over 20 VMware servers which hosted over 200 virtual machines from Grand Prairie location to the newest location of Arlington, Texas
  • Assisted project for the exchange migration of Exchange 2003 to Exchange 2010 using Quest software
  • Lead project for the migration of Windows 2003 domain to Windows 2008 domain.

Education

B.S. in Information Technology Management -

National University School of Engineering & Technology
San Diego, CA
01-2010

Skills

  • Cybersecurity
  • Disaster Recovery
  • Firewalls And Endpoint Security
  • Incident Response
  • Network Engineering
  • Project Management
  • Security standards
  • Server And System Administration
  • System updates
  • Virtualization
  • Vulnerability Assessment

Certification

  • MCSA 2003
  • MCP
  • Comp TIA Security+
  • Comp TIA Network+
  • Cisco CCNA (In Progress)
  • EC Council Certified Ethical Hacker (In Progress)

Core Technology Competencies

Security Standards:

CIS, NERC CIP, NIST CSF.

Operating SYstem:

CentOS, Debian, FreeBSD, LinuxMint, Oracle Linux, RedHat Linux, Ubuntu, Windows Server, Windows Desktop. 

Microsoft Technology:

Active Directory, Azure/Entra, Bitlocker, DHCP, Clustering, DNS, Exchange, File and Print, FSMO, Group Policy, IIS, LDAP, Office 365, PowerShell, Skype, Sharepoint, Teams, Windows Server Update Services (WSUS).

IT Security: AlienVault SIEM, CarbonBlack Incident Response, Datadog Cloud SIEM, FTK imager, F-Secure Protection Service for Business, Kali Linux, Rapid 7 Insight, Rsylog, SecureWorks, Snare, Nexpose, Nessus, Security Onion SIEM, Splunk, Suricata, Symantec Endpoint Protection Manager, Trend Micro Security E-Mail Gateway, Trend Micro Worry Free Anti-Virus, Wazuh SIEM, Wireshark, Fortinet Fortigate Firewalls, F5 Firewalls, Pfsense Firewall, Opnsense Firewall, Palo Alto PANOS Firewall, Palo Alto Panorama.

Software: Altaro backup, Fresh Works Ticketing, OpenVPN, Pritunl VPN, PRTG Monitoring, Nakivo backup, NetIQ, Norton Ghost, Panopta, Proxmox, Remedy Ticketing, SolarWinds, Symantec BackupExec, Sysaid Ticketing, Veeam Backup, Veritas NetBackup, VMWare ESXi, VMWare VCenter, 

Hardware:

Cisco Switches, Cisco UCS Blade Servers, Cradlepoint, Dell Remote Access Controller (Drac), Dell Servers, Dell Unity SAN Storage, Dell/HP/Lenovo Workstations, HP ILO, HP Servers, HP Thin Client Workstations, QNAP Switches, QNAP NAS, Synology NAS, Ubiquity Switches.

Timeline

Senior Systems Security Engineer

Theatro
01.2019 - Current

Fleet Firewall Engineer

Vistra Energy Group
01.2018 - 01.2019

IT Administrator

M-files Inc.
01.2018 - 01.2018

Enterprise Security Analyst & VMware Systems Engineer

Triumphgroup Inc.
01.2012 - 01.2017

B.S. in Information Technology Management -

National University School of Engineering & Technology

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