Peter Holdren, Cybersecurity Professional

Desktop Engineer at Network Builders IT
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Contact Information
us****@****om
(386) 825-5501
Location
San Antonio, Texas, United States, US
Languages
  • Spanish Limited working proficiency
  • Russian Elementary proficiency

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Credentials

  • Azure Fundamentals
    Microsoft
    Aug, 2022
    - Oct, 2024
  • Certified Threatlocker Cyber Hero
    ThreatLocker
    Jul, 2022
    - Oct, 2024
  • Datto Certified Advanced Technician
    Datto
    Sep, 2021
    - Oct, 2024
  • Certified Datto Deployment Specialist
    Datto, Inc.
    Jul, 2021
    - Oct, 2024
  • CompTIA Network+
    CompTIA
    Mar, 2018
    - Oct, 2024
  • Security+
    CompTIA
    Jan, 2019
    - Oct, 2024
  • Certified Liongard Professional
    Liongard
  • SPLUNK Fundamentals Pt 1
    Splunk

Experience

  • Network Builders IT
    • Desktop Engineer
      • Apr 2021 - Present

      • Desktop Engineer at a Managed Service Provider in a fast-paced high-pressure environment • Serviced 12-18 tickets per day on average. • Utilized Datto RMM for centralized software management and patch deployment. • Remotely managed over 60 SMBs with 2500+ endpoints. • Management and troubleshooting of virtualization platforms VMware VCenter and Microsoft Hyper-V • Deployed and administered security software, such as SentinelOne, Huntress, Webroot, Sophos Endpoint, DUO MFA, and Threatlocker. • Audited these technologies daily and resolved any incidents. • Trained engineers on these technologies. • Administered Office 365 tenants. • Created detailed instructions, policies, and procedures. • Assisted with Office 365 and on prem-to-Azure migrations. Technologies used but not limited to: Datto Stack (Autotask, Datto RMM, SaaS Protect, Networking, Backupify) IT Glue ScreenConnect KaseyaOne SentinelOne Huntress Webroot Threatlocker AutoElevate Duo MFA VMware Microsoft Hyper-V Office 365 Microsoft Office Suite Azure Active Directory Sharepoint + Admin Teams + Admin Active Directory Proofpoint IronScales O365 Defender Liongard TechSoup Microsoft Windows Windows Server MacOS RocketCyber Todyl Meraki Watchguard Sonicwall Unifi Show less

  • LinTech Global, Inc.
    • Taiwan
    • Appliances, Electrical, and Electronics Manufacturing
    • 1 - 100 Employee
    • IT Specialist
      • Oct 2020 - Apr 2021

      • Served as a functional expert and team member for the 59th MDW, part of the Defense Health Agency (DHA), conducting cyber defense analysis and security investigations on complex networks and system architectures. • Evaluated security compliance to DISA Security Technical Implementation Guides (STIGs). • Monitored and executed Plan of Action and Milestones (POA&Ms). • Maintained network security through PKI certificates, switch port security, and account management for Wilford Hall users and network devices. • Enforced data/information security policies, standards, and roles to ensure the integrity, confidentiality and availability of digital assets. • Used VMWare Horizon Client to administrate accounts and configure periphery devices. • Utilized DameWare, Bomgar, and Remote Desktop Protocol (RDP) to provide remote assistance to teleworking users during COVID-19 pandemic. • Scanned for open ports using Zenmap on networked printers. • Troubleshot VPN connectivity problems for remote and teleworking users. • Managed incident intake, ticket updates, and reporting of events using BMC Remedy. • Troubleshot workstations, laptops, printers and scanners returning them to the intended operational status. • Modified Microsoft Active Directory User/Group Accounts and Organization Unit (OU) to include account activation, deactivation and host permissions. • Modified Microsoft Active Directory Workstation and Laptop Accounts to include removal from or addition to Military Health System (MHS) Domain. • Reimaged workstations with approved baseline image using Network PXE IPv4 Imaging. • Created and updated documentation for various troubleshooting and device maintenance tasks using Microsoft OneNote. • Identified improvements within processes, procedures, policies, training, and tools to improve efforts and daily operations. • Mentored team members to improve quality and consistency of workflow. Show less

  • Federal Information Systems
    • United States
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • Help Desk Technician
      • Jun 2019 - Oct 2020

      Supported cyber defense and operations for the 59th Medical Wing, part of the Defense Health Agency (DHA), ensuring network security by use of PKI certificates and account management for Wilford Hall users and network devices. Hardened network security for printers according to Defense Health Agency (DHA) Security Technical Implementation Guides (STIG). Enabled security event logging, detected open ports using Zenmap, closed unnecessary ports, disabled unsecure protocols, and created signed Identity Certificates for hundreds of networked printers. Managed incident intake, ticket updates, and reporting of events using BMC Remedy. Troubleshot workstations, laptops, printers and scanners returning them to the intended operational status. Patched, maintained, and updated system hardware/software using Microsoft SCCM. Modified Microsoft Active Directory User/Group Accounts and Organization Unit (OU) to include account activation, deactivation and host permissions. Modified Microsoft Active Directory Workstation and Laptop Accounts to include removal from or addition to Military Health System (MHS) Domain. Reimaged workstations with approved baseline image executing Dynamic Host Control Protocol (DHCP). Configured networked HP and Lexmark printers and maintained print server devices, port assignments, and data using VMWare Horizon Client. Wrote instructional document for HP Printer Configuration steps (4 pages) in order for new employees to have a guide after in-person instruction was performed, and in order for old employees to have a refresher or reference to use when troubleshooting. Used DameWare or Remote Desktop Protocol (RDP) to provide remote assistance to teleworking users during COVID-19 pandemic. Traced network cables and identified switch ports while installing new equipment; enabled or disabled port security and assigned hardware MAC addresses to DHCP; ensured access to NIPRNet network. Show less

  • Uber/Lyft
    • United States
    • Legal Services
    • Rideshare Driver
      • Oct 2017 - Jun 2019

      Demonstrated ability to deal peacefully with unforeseen circumstances or delays and use advanced driving techniques to better improve time management and safety. Demonstrated ability to deal peacefully with unforeseen circumstances or delays and use advanced driving techniques to better improve time management and safety.

  • Smithsonian Institution
    • Museums, Historical Sites, and Zoos
    • 700 & Above Employee
    • Visitor Experience Ambassador
      • Oct 2016 - Oct 2017

      Welcomed various groups to the museum on a daily basis and directed visitors to the museum’s programs and exhibitions Engaged with diverse groups of varying backgrounds and age ranges. Educated visitors in exhibitions and artifacts, while responding to their questions. Maintained a comprehensive historical knowledge of all of the museum’s displays. Directed visitors to specific displays based on factors such as military background. Informed visitors of items not on display and recommend alternate items. Explained the preservation of physical displays and background of their acquirement. Assisted with various projects pertaining to the museum’s exhibitions. Show less

  • Smithsonian Enterprises
    • Museums, Historical Sites, and Zoos
    • 100 - 200 Employee
    • Visitor Experience Specialist
      • Apr 2017 - Aug 2017

      Coordinated and facilitated visitor entry into museum. Provided facility use information and directed visitors to appropriate accommodations or exhibits. Maintained and shared general and detailed knowledge of other museums within the Institution. Coordinated and facilitated visitor entry into museum. Provided facility use information and directed visitors to appropriate accommodations or exhibits. Maintained and shared general and detailed knowledge of other museums within the Institution.

  • Sur La Table
    • United States
    • Retail
    • 700 & Above Employee
    • Floor Lead
      • Oct 2016 - May 2017

      Managed team of employees, troubleshot malfunctioning computer systems, communicated expert technical and product knowledge, researched and diagnosed customer issues to ensure full satisfaction and productivity Managed team of employees, troubleshot malfunctioning computer systems, communicated expert technical and product knowledge, researched and diagnosed customer issues to ensure full satisfaction and productivity

  • McDonald's Corporation
    • Food and Beverage Services
    • 1 - 100 Employee
    • Department Manager II
      • Jan 2012 - Oct 2016

      Managed all operations of restaurant. Troubleshot hardware, software, and applications. Performed Tier 1 troubleshooting for store hardware, software, and applications. Diagnosed and resolved issues involving network, inventory, personnel, and customers. Maintained security of building, equipment, and systems. Managed all operations of restaurant. Troubleshot hardware, software, and applications. Performed Tier 1 troubleshooting for store hardware, software, and applications. Diagnosed and resolved issues involving network, inventory, personnel, and customers. Maintained security of building, equipment, and systems.

  • John Carroll University
    • United States
    • Higher Education
    • 700 & Above Employee
    • Desktop Support
      • Jan 2006 - Jun 2006

      Provided technical software and hardware support and informal training on hardware and software use in response to customer requests. Performed vulnerability scans with McAfee Antivirus software, and removed/quarantined infections. Ensured devices met the University’s standards for network access, including installing Cisco CleanAccess. Traced network cables to ensure classroom wall Ethernet ports were operating properly. Documented issues, progress, and resolutions using paper ticket reports. Educated students and users on safe and clean network usage, to prevent future infections and network lockouts. Show less

Education

  • The University of Akron
    Bachelor of Arts (B.A.), Anthropology
    2009 - 2011
  • The Ohio State University
    Computer Science and Engineering
    2006 - 2008
  • John Carroll University
    Computer Science
    2005 - 2006
  • Ashland High School
    Honors Diploma, Science Emphasis
    2001 - 2005

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