Stephen Caligayan

Professional Summary

A seasoned Cloud Solutions Architect and Cybersecurity Expert with over 15 years of experience in enterprise IT infrastructure, cloud security, and server management across industries including banking, power, and hosting. Proven ability to design, implement, and secure hybrid cloud environments, particularly within Microsoft Azure, Microsoft 365, and enterprise Windows/Linux ecosystems.

Recognized for implementing zero-trust security architectures, automating systems administration using PowerShell, Bash, and Ansible, and leading teams through complex digital transformation initiatives. Adept at aligning technology strategies with business goals while ensuring compliance with global cybersecurity standards.

Core Competencies

Cloud Architecture & Migration: Azure IaaS, PaaS, hybrid deployments, cost optimization

Cybersecurity & Compliance: Zero Trust, Essential Eight, NIST, endpoint protection

Enterprise IT Infrastructure: Active Directory, Entra ID, VMware, Hyper-V, server hardening

Automation & Scripting: PowerShell, Ansible, Bash for task automation and audit scripting

Microsoft 365 Security: Conditional Access, Intune, Defender for Endpoint, Secure Score

Disaster Recovery & Backup: Azure Site Recovery, Veeam, enterprise backup solutions

Network & Server Management: Firewall, VPN, Load Balancers, NAS/SAN configurations

Leadership & Collaboration: Team mentoring, project delivery, MSP & client coordination