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Systems Administrator · Cloud Security · DoD

Dwight
Coleman

I secure and operate enterprise cloud infrastructure in some of the most compliance-intensive environments around — building resilient systems, driving ATO processes, and making complex technology approachable for the people who depend on it.

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Based in

Aberdeen Proving Ground, MD

Focus

Azure · DoD Cloud

Clearance

Active Secret

About

I'm a systems administrator and cloud security professional working within the U.S. Army's CECOM ASIC organization. My day-to-day sits at the intersection of Azure cloud operations, cybersecurity compliance, and infrastructure engineering — managing real workloads in IL4/IL5 environments where the margin for error is low and the stakes are real.

Over the last few years I've owned patch management strategies, built observability tooling, led ATO processes, and most recently stepped into a primary system administrator role on a significant Azure deployment. I'm currently transitioning into a dedicated Azure Administration position.

I approach problems practically — I care about understanding why something works, not just that it does. That tends to make me useful in ambiguous situations and good at explaining complex things to people who need the context without the jargon.

Organization Army CECOM ASIC
Role Systems Administrator
Specialization Cloud Security & Azure
Environment DoD IL4 / IL5
Experience ~2 yrs hands-on Azure
Clearance Active Secret

Experience

Army CECOM ASIC

Current

Azure System Administrator

Acting as primary system administrator on a major Azure deployment within a DoD IL4/IL5 environment. Responsible for resource management, access controls, security posture monitoring, and compliance alignment across the tenant. Transitioning into a dedicated Azure Administration branch role.

Azure Entra ID IL4/IL5 FedRAMP

Army CECOM ASIC

Prior Role

Cloud Security Engineer

Built an Azure Observability Dashboard to surface security signals across the environment. Managed Azure Defender alerting, developed internal training to scale cloud best practices, and drove tooling adoption across GitLab and Jira for cross-team collaboration.

Azure Defender Observability GitLab Jira

Army CECOM ASIC

Prior Role

Information Systems Security Officer

Assessed risk and security posture for systems seeking Authority to Operate. Drove remediation workflows using SCAP Checker, Vulnerator, and eMASS. Produced clean, actionable security documentation and reports for leadership and compliance stakeholders.

ATO eMASS SCAP Vulnerator RMF

Army CECOM ASIC

Prior Role

System Administrator

Managed patching strategies and compliance checks across Army systems using ACAS and STIG Viewer. Provided service desk support and implemented proactive system monitoring with Zabbix, reducing reactive incidents through better visibility.

ACAS STIG Viewer Zabbix Windows Linux

Technical Skills

Cloud & Infrastructure

Microsoft Azure Entra ID Azure Defender Azure Monitor VMware Hyper-V

Security & Compliance

ACAS STIG Viewer eMASS Vulnerator SCAP Checker RMF FedRAMP

Systems & Operations

Windows Server Linux PowerShell Zabbix Active Directory

Dev & Collaboration

GitLab Jira Confluence Python REST APIs

Certifications

CompTIA

Security+ CE

Active · IAT II

CompTIA

Cloud+

Active

Microsoft

Azure Fundamentals AZ-900

Active

Microsoft

Azure AI Fundamentals AI-900

Active

DoD

IAT Level I / II

Active

DoD

IAM Level I

Active

In progress: AZ-104 Microsoft Azure Administrator · AZ-500 Microsoft Azure Security

Contact

Open to conversations about cloud security, DoD tech, or anything interesting. Whether it's a professional opportunity or just a good question — reach out.

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