Jeffrey Cavendish

Enterprise Information Security Leader | Infrastructure Expert | Veteran

Executive Summary

A mission-driven Enterprise Information Security Leader with a comprehensive history protecting critical state infrastructure. Proven track record scaling up from front-line physical safety and core IT technical support into network security architecture, systems deployment, and strategic cybersecurity leadership. Expert in complex firewall governance, enterprise routing topology, vulnerability management, and defensive engineering frameworks—combining rigorous military discipline with advanced technical execution.

Professional Experience

Ohio Department of Administrative Services

Full-time • 2 years 7 months | Columbus, Ohio
Enterprise Information Security Supervisor
Mar 2025 - Present • On-site

Provide executive supervision over enterprise-scale network ecosystems and defensive infrastructure operations. Orchestrate large-scale project management, direct system deployment initiatives, and coordinate end-to-end IT operations and structural engineering defenses across state agencies.

Enterprise Network Firewall Management Project Management Infrastructure System Deployment IT Operations Project Planning Analytical Skills
Enterprise Information Security Professional
Dec 2023 - Mar 2025

Drove analytical operations for the state’s security posture. Spearheaded rigorous threat and vulnerability management protocols alongside strategic vulnerability scanning models to identify, scope, and harden state system environments.

Threat & Vulnerability Management Vulnerability Scanning Critical Thinking Analytical Skills Project Planning

Ohio Department of Rehabilitation and Correction (ODRC)

Total Tenure: 16 years 1 month | Ohio
Infrastructure Specialist 4
Aug 2022 - Dec 2023 • Columbus Metro Area

Architected comprehensive network safety matrices utilizing elite-tier hardware and software layers. Directed integration and management of Next-Gen Firewalls (NGFWs), Cisco Security ecosystems, Cisco Meraki, and coordinated advanced threat mitigation matrices.

Network Security Architect NGFWs Cisco Security Cisco Firewall Security Cisco Meraki Cisco Systems Products Enterprise Network Analytical Skills
Infrastructure Specialist 3
Jul 2021 - Aug 2022

Network Security Engineer executing deep security operations and defense configurations. Investigated security events using log analysis, built proxy management protocols, and mapped structural network topology. Authored extensive structural operations documentation.

Qualys Tanium Varonis Microsoft WDTAP Cisco Firepower Log Analysis Proxy Packet Capture Transport Layer Security (TLS) Network Topology SD-WAN Documentation
Infrastructure Specialist 2
Oct 2016 - Jul 2021

Managed Active Directory structures, Windows 10 base deployments, local network routing operations, and enterprise wireless networking implementations. Pioneered extensive technical documentation standards and project planning for distributed facility infrastructure.

Routing Wireless Networking Networking SD-WAN SAP Controlling (CO) Project Planning Analytical Skills
Information Technology Specialist
Sep 2015 - Oct 2016

Delivered cross-functional IT operations management, helpdesk coordination via ServiceNow, system troubleshooting, user account administration, and technical support frameworks.

System Administration Troubleshooting Technical Support Incident Management SAP Controlling (CO)
Correctional Officer
Dec 2007 - Sep 2015 • Caldwell, Ohio

Enforced tactical public safety measures and environmental control standards inside high-stress operational parameters. Cultivated elite-tier risk management, critical thinking, and communication skills.

Security Protocols SAP Controlling (CO)

Ohio Army National Guard

Part-time • 12 years 1 month | McConnelsville, Ohio
Short Range Air Defense System Repairer
May 2001 - May 2013

Executed sophisticated electronic troubleshooting, signal tracing, and tactical diagnostic engineering tasks on highly complex air defense missile radars and electronic guidance machinery.

Analytical Skills Electronic Diagnostics Systems Troubleshooting

Education

University of Phoenix

2017 – 2019
Master of Information Systems
Management Information Systems & Cyber Security

Key Milestone: Graduate Cyber Security Certificate.

Capital University Law School

2015 – 2017
Legal Studies / Law

University of Phoenix

2008 – 2011
Bachelor of Science (BS)
Computer Systems Networking & Telecommunications

University of Phoenix

2006 – 2008
Associate of Arts (AA)
Criminal Justice and Corrections

Licenses & Certifications

CompTIA Security+ ce

CompTIA | Issued May 2021

Baseline validation confirming core knowledge required to execute intermediate-level security functions under industry-recognized criteria.

Project Management Foundations

Lynda.com | Issued Sep 2018

Structural framework training targeting lifecycle scope coordination, milestone planning, and resource optimization.

Key Project Highlights

  • OISP Emblem Design: Designed and custom-fabricated the official challenge coin and organizational seal for the State of Ohio Security Engineering (OISP) team.
  • Enterprise AI Rig Infrastructure: Engineered a localized, deep-compute workstation hosting advanced LLMs (such as Llama 3 70B) natively via a high-bandwidth dual-GPU environment.
  • Structural Fabrication: Engineered and laid a permanent box form foundation with precise alignment using Sonotube structural casting for custom outbuilding projects.

Specialized Core Competencies

  • Validated Credentials: ✓ Windows Server (LinkedIn Assessment) ✓ IT Operations (LinkedIn Assessment)
  • Network Protection & Firewalls: Firewall Management, NGFWs, Cisco Firepower, Proxies, TLS, Packet Capture, Log Analysis
  • Enterprise Systems Architecture: Network Topology, Routing, SD-WAN, Wireless Networking, Cisco Meraki, Active Directory
  • Strategic Management: Incident Management, Project Planning, Vulnerability Scanning, SAP Controlling (CO), Documentation