Senior Application & Technical Support Engineer

DARRYL (GREG) WENTE

SENIOR APPLICATION & TECHNICAL SUPPORT ENGINEER Application Support • Infrastructure • SQL • Troubleshooting

Cebu, Philippines U.S. Citizen Remote

PROFESSIONAL SUMMARY

Senior technical professional with 35+ years of experience troubleshooting business-critical applications and the infrastructure behind them. Unusually broad hands-on background spanning application development, SQL Server, Windows systems, networking, VMware, Microsoft 365, security and imaging/workflow systems. Known for rapid problem resolution, practical troubleshooting and the ability to follow an issue across application, database and infrastructure layers.

CORE EXPERTISE

Application Support • Technical Troubleshooting • SQL Server • Windows / Active Directory • VMware • Microsoft 365 / Azure AD • Networking / VPN • APIs / Integrations • Imaging / OCR • Automation / PowerShell • Incident Resolution • Systems Administration

WHAT I BRING

I have spent my career at the intersection of applications and infrastructure. I can investigate an application problem, trace it into SQL or an API, determine whether the underlying issue is networking or server infrastructure, and work toward a practical resolution. I also bring management experience and can step into a leadership role when needed.

PROFESSIONAL EXPERIENCE

IT Manager / Systems Architect, Engineer & Developer Capitol Services, Inc. Feb 1998 – Jan 2026

• Supported mission-critical business applications and the infrastructure, databases and networks required to keep them available.

• Architected and developed client/server, web and API applications using C#, VB.NET, ASP.NET, MVC and WinForms.

• Built imaging systems, workflow automation, document/PDF processing, faxing, SMS and secure B2B/government integrations using XML and JSON web services.

• Administered and optimized SQL Server environments including schemas, indexes, stored procedures, query performance, replication, backup/recovery and security.

• Troubleshot Microsoft 365, Azure AD, Exchange, SharePoint, Active Directory, VMware, networking, firewalls, VPN and endpoint security issues.

• Known for rapid troubleshooting and resolution across complex technical environments; maintained 99.9% uptime across critical systems.

• Led a 10-person technical organization and managed vendors and approximately $10M in technology budget responsibility while remaining hands-on.

IT Manager & Developer Hammerman & Gainer, Inc. Jan 1995 – Feb 1998

• Supported Windows and Novell environments across headquarters and seven remote Texas offices; handled networking, monitoring, troubleshooting and upgrades.

• Developed custom applications, databases, EDI integrations, reporting and workflow tools; administered messaging, Citrix and application platforms.

Application Developer Texas Comptroller of Public Accounts Mar 1990 – Jan 1995

• Developed tax-reporting, data-entry and imaging/OCR applications and C++ integrations; worked with COBOL, JCL, CICS and PowerBuilder.

Telecommunications Engineer Questel Corporation Jan 1987 – Mar 1990

• Established and supported automated offices across multiple U.S. cities, coordinating telecommunications, hardware, software and operational requirements.

Data Conversion / Inventory Control Supervisor / Expeditor Rockwell International Jul 1984 – Jan 1987

• Performed computer-based engineering data conversion and supported inventory control and production operations for B1-B aircraft manufacturing.

EDUCATION & TRAINING

Scioto County Joint Vocational School — Computer Programming & Accounting. Professional training in VMware Horizon/vSphere, Cisco networking/firewalls, Microsoft development, SQL Server, C++, COBOL, Novell and PowerBuilder.

TECHNICAL ENVIRONMENT

C#, VB.NET, ASP.NET, WinForms, SQL Server, Windows Server, Active Directory, Microsoft 365, Azure AD, Exchange, SharePoint, VMware, Cisco/Meraki, Firewalls, VPN, XML/JSON, APIs, PowerShell, imaging/OCR, backup/replication and disaster recovery.

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