Matthew Refsnider, MS, CISSP

DevSecOps
Application Security
Penetration Testing

Contact Me

Education and Training

  • Master of Science

    Information Technology Management

    Florida Atlantic University

  • Bachelor of Business Administration

    Management Information Systems

    Florida Atlantic University

  • SEC540

    Cloud Native Security & DevSecOps Automation

    SANS Institute, SANS 2026

Certifications

  • ISC2 Member ID 1037057

    Certified Information Systems Security Professional

    Expires November 2026

    Certified in Cybersecurity

    Expires December 2028

  • Microsoft Certification ID 991197052

    AZ-900

    Azure Fundamentals

    DP-900

    Azure Data Fundamentals

    SC-900

    Security, Compliance, and Identity Fundamentals

Awards

  • Certificate of Achievement

    Department of the Army

  • Certificate of Outstanding Achievement

    Army Aviation Association of America, Inc.

  • Honor Graduate

    United States Air Force Reserve

Professional Experience

Cybersecurity professional and military veteran with over 7 years of hands-on experience in securing Mac, Windows, Linux, and cloud environments by implementing critical controls to combat emerging threats. CISSP certified and currently pursuing expertise in product security and offensive security, leveraging skills in vulnerability analysis, software development, and infrastructure management.

03/2025-Current
Seminole Hard Rock Support Services
Davie, FL

DevSecOps Engineer

Offensive Security team member leading the organization's Shift Left initiative.

10/2022-12/2024
Orangetheory Fitness
Boca Raton, FL

Security Engineer

Information Security team member driving risk management, identity and access, infrastructure security, and security awareness initiatives.

06/2019-10/2022
FAU Executive Education
Boca Raton, FL

Computer Applications Coordinator

Developed and implemented an automated patch management program for all on premises and remote departmental computer assets.
Designed an asset management and equipment checkout system, improving inventory visibility, security, and time to resolution.
Deployed central print management across the department to decrease administrative overhead.
Improved computer and user group policies to align with university security directives.

12/2017-06/2019
ProMedical IT
Ft. Lauderdale, FL

Solutions Engineer

Architected and performed production workload migrations to Azure public cloud.
Managed identity and access control with Windows Server and Azure Active Directory.
Designed, created, and delivered Power Platform solution frameworks to automate workflows.
Monitored system controls against security requirements and analyzed suspected attempts to compromise systems security.
Deployed and managed network security and endpoint management security technologies.
Automated administration of Azure resources using PowerShell scripting.
Optimized ticketing system to improve service automation and visibility resulting in increased efficiency and billable time entries.
Developed orders and returns management system to track shipments and reduce returns due to error.

Military Service

2009-2013
US Air Force Reserves
Patrick AFB, FL

Helicopter Maintenance Technician

Member of scheduled phase maintenance team for fleet of HH-60 Pave Hawk helicopters.

Professional Skills

  • Client Relationships
  • Project Management
  • Leadership
  • Team Building
  • Cloud Infrastructure
  • Cybersecurity
  • System Analysis
  • Solution Design
  • Root Cause Analysis
  • Endpoint Management