System Engineer Cloud

Roy Graphenreed

Virtualization Engineer Microsoft 365 / Azure Cloud Specialist TS/SCI Cleared

Columbus, GA 251-***-**** ***@*************.***

Professional Summary

Skilled and results-driven Cloud System Engineer with 10+ years of experience in Microsoft 365, Azure, and virtualization technologies. Proven expertise in M365 application administration, Azure Active Directory, PowerShell scripting, and secure cloud migrations for both federal and enterprise clients. Adept at managing complex hybrid infrastructures, enforcing security best practices, and delivering user-centric solutions across Exchange Online, SharePoint Online, Teams, and more. Committed to operational excellence, innovation, and cross-functional collaboration in high-impact environments. Currently supporting DISA as a Virtualization Engineer in Montgomery, AL.

Core Competencies

Microsoft 365 & Exchange Online, Azure Administration (VMs, AD, Networking), PowerShell Automation & Scripting, Hybrid M365 Migrations & Governance, Security & Compliance (TLS/SSL, RBAC, DLP), Service Optimization & Performance Monitoring, End-User Training & Tier-3 Support, Intune, Teams, OneDrive, Power Platform

Professional Experience

Virtualization Engineer – DISA, Montgomery, AL

March 2025 – Present

- Manage VMware vSphere and Azure-integrated virtual environments for defense infrastructure.

- Support snapshot lifecycle, backup integrity, and role-based access to mission-critical systems.

- Collaborate on cross-domain projects requiring secure and compliant data transfer.

Cloud System Engineer – CISA (via Raytheon), Washington, D.C.

Oct 2021 – March 2025

- Oversaw SharePoint Online migrations (3TB+) and Exchange Online configurations.

- Applied WAF and SSL best practices to harden cloud applications.

- Administered Azure AD, RBAC, and conditional access policies for 1,000+ users.

- Used PowerShell to automate server patching, DNS changes, and cloud infrastructure tasks.

M365 Cloud Exchange Engineer – ECS Technologies (Remote)

June 2021 – Feb 2024

- Migrated 2,000+ mailboxes to Exchange Online; improved performance and user adoption.

- Designed Power Automate flows that reduced workload across multiple departments.

- Supported Teams, OneDrive, and SharePoint for 800+ users with zero major outages.

Information Services Consultant – Dept. of State (via KCI Acuity), Columbus, GA

Nov 2018 – May 2021

- Managed Azure Key Vault and 10,000+ AAD identities under FISMA High compliance.

- Deployed Power Platform solutions to improve user workflows by 15%.

- Coordinated Office 365 cloud migrations to GCC, integrating secure DNS and Group Policy.

Education & Certifications

MS, Information Technology – Capella University

BS, E-Commerce & IT – University of South Alabama

Certifications:

- CompTIA Security+

- Microsoft 365 Certified: Modern Desktop Administrator Associate

- Microsoft Azure Administrator (AZ-104) – In Progress

- Power Platform Fundamentals

Technical Tools & Platforms

Azure AD, Microsoft 365 (Exchange, SharePoint, Teams, OneDrive), VMware, Terraform, Power Automate, PowerShell, Intune, Dynamics 365, Venafi, CyberArk, ServiceNow, WAF, Conditional Access, RBAC, TLS/SSL

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