Cybersecurity / Systems Administration / Technical Support

24+ years turning complex technology problems into stable, documented, and secure operations.

I specialize in cybersecurity, software development, systems administration, technical support, database security, documentation, and practical problem solving for businesses, teams, and users.

Profile Signal Security + Support + Software
Security audits / malware removal / ransomware prevention Active Directory / Exchange / Linux / virtualization Python / PowerShell / SQL / documentation / publishing
24+ Years in IT
Cybersecurity Software and audits
Published Author and technical writer
Problem Solver Support, systems, software

Professional Profile

Independent cybersecurity consultant, software developer, and technical writer.

After a corporate IT career spanning support, systems administration, and operations, I continued serving businesses locally, nationally, and internationally as an independent cybersecurity consultant, software developer, web developer, and technical support specialist.

My work includes security audits and repairs, malware and ransomware prevention, VMware and Oracle VM VirtualBox support, data backups, website management, database and server support, user training, technical documentation, and practical software development.

Core Strengths

A hands-on technical background across security, infrastructure, support, and publishing.

Cybersecurity

Security audits, malware removal, ransomware prevention, OS and network forensics, ISO 27001, NIST 800-53, CUI, SQL injection, and penetration-testing training.

Systems Administration

Windows administration, Active Directory support, Exchange and Outlook configuration, Linux systems, virtualization, NAS backups, and endpoint deployment.

Technical Support

Level 2 and Level 3 support, helpdesk operations, desktop support, hardware upgrades, imaging, migrations, user training, and issue documentation.

Software and Web

Cybersecurity software development, website maintenance, web hosting operations, database work, SQL, Python, PowerShell, SSL certificates, and analytics.

Documentation

Technical procedures, customer-facing documentation, bug reporting, broadcast production history, and published long-form writing.

Operations

Support across multiple offices, surveillance footage handling, product recommendations, critical backups, service coordination, and customer service.

Books and Publications

Published books and ebook covers.

Experience

Career history across cybersecurity consulting, enterprise support, and technical operations.

2014 - Present

Independent Cybersecurity Consultant, Software Developer, and Technical Writer

Supported businesses locally, nationally, and internationally with cybersecurity, software, technical support, websites, virtualization, backups, and server systems.

2011 - 2014

IT Specialist, Starline Tours of Hollywood

Managed helpdesk operations for nine offices, supported laptops, desktops, servers, tablets, Linux systems, data backups, imaging, migrations, and user training.

2008 - 2011

Freelance Technical Support Specialist / Web Developer

Maintained client websites, provided customer service for profit and nonprofit organizations, managed web hosting, handled repairs, and supported high-volume email and web traffic.

2007 - 2008

Active Directory Administrator / Helpdesk Operator, E! Entertainment

Resolved assigned tickets, performed Windows administration, unlocked user accounts, provided desktop and call-center support, and configured Outlook and Microsoft Exchange.

2004 - 2006

Customer Service Representative Level 2, Xdrive.com / America Online

Resolved customer inquiries, troubleshot internet connectivity issues, tested software, reported bugs, and documented according to policy.

1999 - 2002

Senior Tech Support Specialist - Level 3, Time Warner Communications

Supported a customer base of more than one million people, handled Level 3 escalations, monitored technicians, supported Apple service calls, and coordinated customer credits.

Credentials

Training, certifications, education, licenses, and professional organizations.

Selected Certifications and Training

  • CompTIA A+ Certified
  • Microsoft MCP
  • Google Cybersecurity Certificate
  • Advanced Google Analytics Certificates
  • Microsoft Professional AI
  • MS SQL DBA Administration and Database Security
  • EC-Council Master Wireshark
  • EC-Council WordPress Security
  • Data Science with Python
  • Microsoft PowerShell and Linux OS Commands

Education, Licenses, and Organizations

  • U.S. Army Military Police School
  • Odessa College Law Enforcement Academy
  • LeTourneau University
  • GMDSS Operator / Maintainer License with Ship Radar Endorsement
  • General Radiotelephone License, FCC
  • Professional Association for SQL Server
  • Technology Association of Georgia
  • SAG-AFTRA
  • International Association of Professional Writers and Editors

Contact

Available for cybersecurity, software, technical support, and documentation work.

Use the contact information to the right for resume, consulting, support, development, or publishing inquiries.

jobs@rodgerjohnston.com (702) 483-7095