IT Professional & Cybersecurity Specialist

Jonathan
Castro

IT Technician → Director of Information Technology

Nearly a decade of sole IT ownership managing all technology infrastructure, cybersecurity, and business systems for an 82-user life insurance organization. Pursuing a Master's in Cybersecurity at University of Phoenix (GPA 3.73) while raising a daughter and building enterprise-grade solutions every single day.

9yr
IT Experience
82
Users Supported
3.73
MS GPA
100%
Cloud Migration

The person behind
the infrastructure

I'm an IT professional based in Houston, TX, with nearly a decade of experience as the sole IT owner at Final Expense Direct — a life insurance company of 82 employees. That means I don't just keep the lights on. I architect, build, secure, and maintain everything from the ground up.

My work spans cloud migrations, Microsoft 365 administration, cybersecurity policy, automation engineering, and web development. I've moved entire companies to the cloud with zero disruption, built automation pipelines using Power Automate and the Microsoft Graph API, and implemented enterprise-grade security across a fully remote workforce.

Outside of work, I'm pursuing my Master of Science in Cybersecurity at the University of Phoenix with a 3.73 GPA — while being a full-time parent to my 8-year-old daughter. Multitasking is kind of my thing.

"I combine deep hands-on technical expertise with strategic thinking and a commitment to driving business outcomes through technology."

📍
Location
Houston, Texas
🏢
Current Employer
Final Expense Direct
🎓
Education
MS Cybersecurity — University of Phoenix (In Progress)
📞
Phone
346-203-0833
✉️
Email
jonathancastro@jonathanpjcastro.com
🌐
Personal Tech Hub

Built from the ground up.
All of it.

Nine years as the only IT professional in the building. Every system, every policy, every migration — mine.

IT Technician → Director of Information Technology
Final Expense Direct Houston, TX  |  June 2017 – Present
Sole IT Owner · 82 Users

Sole IT professional responsible for all technology decisions, infrastructure, security, vendor relationships, and day-to-day support across a life insurance company of 82 users. Every system in production today was built, migrated, or secured by me.

☁️ Cloud & Infrastructure
  • Architected full company migration to 100% remote/cloud — all 82 employees
  • Migrated ViciDial telephony platform to the cloud with zero sales disruption
  • Migrated SuiteCRM to cloud, preserving all data and workflows
  • Full Microsoft 365 administration: Exchange, SharePoint, Teams, Azure AD
⚙️ Automation & Integration
  • Built Power Automate flows via Graph API to centralize Teams recordings to SharePoint
  • Automated weekly agent roster emails with HTML-formatted tables
  • Integrated GoHighLevel CRM with SuiteCRM via webhook for real-time lead syncing
  • Implemented Zapier workflows to eliminate repetitive manual processes
🔒 Cybersecurity & Compliance
  • Comprehensive DNS audit — identified and cleaned obsolete records company-wide
  • Implemented MFA, RBAC, and security policies across Microsoft 365
  • Drafted and deployed TCPA-compliant consent disclaimers for lead capture
  • Manages firewalls, VPN, endpoint protection for all remote employees
  • Ongoing vulnerability assessments and incident response planning
🌐 Web & Support
  • Rebuilding company website (WordPress/Cloudways) — modern design, better conversion
  • Built computer literacy assessment system on GitHub Pages for new-hire onboarding
  • IT support contact for 70+ workers — help desk, hardware, software, escalations
  • Administers Twilio and ViciDial telephony for call center sales operations

A full-stack IT toolkit.
60+ capabilities.

From server room to cloud console, from scripting to security — these are the tools I use every day.

☁️
Cloud & Infrastructure
Microsoft 365 Administration Azure Active Directory Microsoft Exchange Online Microsoft SharePoint Microsoft Teams Cloud Migration Infrastructure-as-a-Service Windows Server Administration Dell PowerEdge Servers Backup & Recovery
🔒
Cybersecurity
Network Security Intrusion Detection & Prevention Vulnerability Assessment Vulnerability Scanning Threat Assessment & Response Incident Response Forensic Investigation IT Security Architecture Data Loss Prevention Security Controls Security Policies TCPA Compliance
⚙️
Automation & Development
Power Automate Microsoft Graph API Zapier Automation PowerShell Scripting Python Scripting Automation & Workflow Design WordPress Development Webhook Integration
🌐
Networking & Access
Network Administration Firewall Configuration DNS Management VPN Management SSL/TLS Certificate Management Multi-Factor Authentication Role-Based Access Control Active Directory SFTP & Remote Access Nginx / Reverse Proxy
🖥️
Systems & Support
Linux Administration Debian Linux Kali Linux BackBox Linux System Administration Desktop Support Help Desk Support Computer Hardware End-User Training & Support
📊
Business & CRM
SuiteCRM Administration GoHighLevel CRM ViciDial Administration Twilio Call Center Technology Lead Capture Optimization Project Management IT Vendor Management IT Budgeting Risk Management Governance

Credentials to back
every decision.

Studying cybersecurity formally while applying it in production every single day.

Master of Science in Cybersecurity
University of Phoenix
July 2025 – Expected May 2027
Current GPA: 3.73  |  Target: 3.80+
Key Coursework

Risk Management  ·  Information Security Governance  ·  Incident Response Planning  ·  NIST CSF 2.0  ·  CMMC/NIST 800-171 Compliance  ·  Cyberterrorism  ·  Healthcare Cybersecurity
Bachelor of Science in Cybersecurity
University of Phoenix
March 2022 – May 2025
Completed  |  Degree Earned
A foundational degree in cybersecurity principles, network defense, digital forensics, and risk management — earned while simultaneously managing all IT for a company of 82 employees in a fully remote environment.

Let's build something
that actually works.

I'm open to senior IT roles, cybersecurity positions, and consulting opportunities. If you're looking for someone who can own the infrastructure end-to-end — not just maintain it — let's talk.

Available for the right opportunity

Nine years of building and securing critical infrastructure. Now pursuing formal credentials to match. If you need an IT professional who can own an entire technology stack — not just a single lane — I'd love to connect.

Send Me an Email