Chafic Greige

About Chafic Greige

I am a seasoned IT leader with over 27 years of experience designing, securing, and managing complex enterprise systems for DoD and mission-critical environments. Holding an active TS/SCI clearance, I bring proven expertise in enterprise architecture, systems engineering, and IT management with a strong focus on aligning technology solutions to business and operational goals.My background spans infrastructure services, storage networking, virtualization (VMware, Hyper-V, Nutanix), Active Directory, cybersecurity, and disaster recovery. I’ve led teams through large-scale deployments, optimized data center operations, and strengthened enterprise network security to ensure reliability, scalability, and compliance.Colleagues know me as a self-starter who thrives in dynamic environments, balancing technical depth with strategic leadership. Whether driving system modernization, enhancing mission readiness, or guiding cross-functional teams, I deliver results that make technology a force multiplier.

Experience

1. Lead Enterprise Architect (Ussouthcom)

   MANTECH

   Sep 2025 — Present · US

   As the Lead Enterprise Architect at U.S. Southern Command (USSOUTHCOM), I\'m responsible for designing and governing enterprise-level solutions that enable secure, scalable, and interoperable IT capabilities across joint and multilateral partner nation environments. My focus is on aligning enterprise architecture with Department of Defense standards and USSOUTHCOM mission requirements, ensuring that technology investments directly support operational effectiveness and mission assurance.With expertise in systems engineering, virtualization (vSphere 8), networking, domain management, and cybersecurity, I lead initiatives that modernize infrastructure, strengthen resilience, and enhance interoperability. I work to deliver integrated solutions that optimize performance, improve decision-making, and support digital transformation across the command’s global operations.

Education

• Instituto Universitario de Tecnologia Isaac Newton

  Associate's degree, Computer Science

  1987 — 1990

Skills

• Dhcp
• Network Security
• High Availability Clustering
• Switches
• Server Administration
• Networking
• Dod Top Secret Clearance
• Information Technology
• Vmware Vsphere 5.1
• Operating Systems
• Microsoft Technologies
• Vmware Esx
• Hardware Support
• System Administration
• Microsoft Exchange
• Active Directory
• Symantec Backup
• Windows Server
• Veeam
• Data Center
• Disaster Recovery
• Storage Area Networks
• Infrastructure
• Software Installation
• Business Continuity
• Vranger
• Microsoft Sql Server
• Hyper-V
• Remote Infrastructure Management
• Security
• Sccm
• Project Management
• Network Administration
• Cluster
• Vmware
• Systems Engineering
• Troubleshooting
• Datacenter Virtualization
• Dns
• Vmware Site Recovery Manager