Covington, LA 70435 • (985) 789-5659 • patrick.mowry@gmail.com
Distinguished Enterprise Infrastructure and Solutions Architect with over two decades of experience designing, implementing, and optimizing large-scale global networks and unified communications systems. Proven track record of spearheading multi-million dollar network migrations, deploying advanced Cisco collaboration ecosystems, and designing resilient data center architectures for public and private sectors. Expert at developing custom automation tooling and mentoring high-performing engineering teams to deliver high-availability, compliant infrastructure.
Collaboration & Voice:
Cisco Unified Communications Manager (CUCM), Cisco Expressway / MRA, Unified Contact Center Express (UCCX), VoIP (H.323, SIP), Quality of Service (QoS).
Routing & Switching:
OSPF, BGP, MPLS, Cisco VSS, VPC, Catalyst/Nexus Switches, Data Center Interconnects.
Security & Wireless:
Certificate-based Wireless LAN (EAP-TLS), Cisco WLC, Cisco XDR, Cisco Secure Email, VPN Encryption.
Automation & Systems:
Python, Bash, Expect, C, Linux (Ubuntu/Mint), Proxmox, Docker, Splunk Enterprise Security.
Global
Data Systems Lafayette,
LA • March 2005 – Present
Systems Integrator IV
Architected and deployed enterprise-class Cisco Voice over IP (VoIP) and multi-vendor video conferencing solutions across complex public and private sector environments.
Successfully upgraded data and voice networks for highly complex organizations, supporting multi-site topologies spanning thousands of concurrent users.
Redesigned call center networks using custom scripting and Cisco UCCX; engineered high-availability call routing for seamless agent failover between regional data centers.
Deployed Cisco VSS and vPC core technologies for Tier-1 clients and implemented secure, certificate-based Wireless LAN solutions.
Engineered robust End-to-End Quality of Service (QoS) frameworks for large-scale enterprise environments, including the Department of Transportation and Development (DOTD) and Blue Cross Blue Shield.
Served as the final technical escalation point and provided strategic mentorship to a team of systems and network engineers.
DHL
Phoenix,
AZ • July 2002 – March 2005
Network Architecture Consultant
Migrated DHL's global core backbone network from a meshed ATM PVC infrastructure to POS leased lines with MPLS, upgrading backbone speeds to OC3/OC48 capacities.
Scaled the global network across 220 countries and territories; segmented a massive global OSPF process into 3 distinct regional processes interconnected via BGP.
Designed and deployed Cisco H.323-based VoIP networks for international toll by-pass alongside large-scale CUCM deployments for major data centers and strategic corporate sites.
Authored and implemented secure, certificate-based Wireless LAN security (EAP-TLS) utilizing Cisco access points integrated with commercial and open-source backend identity services.
Led the architectural redesign of several in-country networks, notably scaling the US infrastructure across 245 sites.
ProNet
Solutions Phoenix,
AZ • March 2002 – May 2002
Senior Network Engineer
Outsourced to Qwest Communications as the Lead Engineer for the State of Arizona's "Students First" project, managing infrastructure deployment across multiple school districts.
Configured and validated advanced enterprise services, including secure VPN access, data encryption standards, and Voice over IP implementations.
Fujitsu
Business Communication Systems Phoenix,
AZ • July 1999 – November 2001
Senior Network Engineer
Actively participated in the functional design specification, engineering, and testing phases of Fujitsu’s NT server-based IP-PBX system.
Designed and deployed Voice over IP networks utilizing Cisco AVVID architectures, NetSpeak gatekeepers, and Cisco 7200/3600/2600 platform endpoints.
Global
Data Systems Lafayette,
LA • May 1994 – July 1999
Senior Network Engineer
Built and managed a robust Network Operations Center (NOC) providing remote monitoring and secure customer isolation for client networks.
Developed custom integrations and operational tooling for network management platforms (HP OpenView, CiscoWorks) using C, Expect, and Bourne Shell scripts.
Industry Certifications:
Cisco Certified Internetwork Expert (CCIE #3587)
Cisco Certified Networking Professional (CCNP) – Voice Access Specialist
Historical Certifications: Certified Novell Engineer (CNE), Microsoft Certified Professional (MCP)
Education & Professional Development:
Electrical Engineering (Computer Option) – University of Southwestern Louisiana (Part-Time Student)
Advanced Technical Training: NetSpeak Application & Infrastructure Gatekeeper Configuration; Fujitsu F9600 PBX Architecture.
Available upon request.