Scott Seifert

Chief Architect · Hybrid Cloud, Azure Government & VMware

Denver, CO scott@scottseifert.org linkedin.com/in/vscottseifert
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About

Chief Architect with 20+ years in enterprise infrastructure and cloud, currently leading architecture for IBM Smart Cloud for Government and IBM Azure Vantage. I define hybrid-cloud reference architectures that combine IBM managed services with Azure Government, Azure VMware Solution (AVS), and third-party platforms for federal and commercial clients. My background is deeply hands-on: VMware vSphere and NSX, datacenter networking, and secure, STIG-compliant federal environments. VMware vExpert 2014–2023 and co-chair of the Denver VMUG.

Expertise

Cloud & hybrid

  • Azure Government
  • Azure VMware Solution
  • Azure networking
  • IBM Azure Vantage
  • Reference architecture

Datacenter infrastructure

  • Compute & network design
  • Rack / power / cooling
  • Arista leaf-spine
  • Capacity planning
  • Greenfield & multi-site

Virtualization

  • vSphere 4–8
  • NSX-V
  • NSX-T
  • Horizon View
  • Horizon DaaS
  • vRealize / vCAC

Network & security

  • Switching
  • Firewalls
  • DISA STIGs
  • PKI / CA
  • Nessus

Platforms & automation

  • Windows Server & AD
  • Red Hat / Linux
  • SQL Server
  • PowerShell
  • PowerCLI

Leadership

  • Architecture teams
  • Cross-functional delivery
  • Vendor & licensing negotiation

Experience

Chief Architect · IBM Smart Cloud for Government & IBM Azure Vantage

2025 – Present
  • Lead architect for IBM Azure Vantage; defined the hybrid-cloud reference architecture integrating IBM managed services with Azure Government, AVS, and third-party platforms for compliant, scalable federal and commercial solutions.
  • Architected and led migration of large-scale enterprise workloads from on-premises VMware to Azure VMware Solution and native Azure services.
  • Direct cross-functional teams of architects and engineers delivering hybrid solutions with workload portability and high availability.
  • Manage vendor relationships with Microsoft, VMware/Broadcom, and network and security providers, negotiating licensing, support agreements, and deployment timelines across multiple datacenters.

Platform Architect Team Manager & Deputy Chief Architect · IBM Consulting, Federal Data Center

2023 – 2025
  • Served as Deputy Chief Architect for IBM Smart Cloud for Government.
  • Managed the Smart Cloud for Government platform architect team.

Platform Architect · IBM Consulting, Federal Data Center

2020 – 2023
  • Architected and engineered a greenfield vSphere 6.7 and NSX-V 6.4.8 deployment.
  • Designed the NSX-T infrastructure and led migration of the environment from NSX-V.

Senior Infrastructure Engineer · IBM Global Business Services, Federal Data Center

2013 – 2020
  • Managed 8 vCenter environments with 70+ ESXi hosts and 800+ VMs, including NSX and software-defined networking.
  • Architected greenfield vSphere 5.5, 6.0, and 6.7 deployments for federal clients, including Federal Infrastructure Managed Systems (FIMS).
  • Applied DISA STIGs across virtual environments and managed CA certificates for all VMware products.
  • Owned the VMware Horizon View and Horizon DaaS virtual desktop environments.

VMware Administrator · Glacier Technologies, contractor to USDA Forest Service

2012 – 2013
  • Supported 5 vCenters with 55 hosts and 1,500 VMs; helped design and stand up a new vSphere 5 environment.

System Manager III · State of New Mexico, Human Services Department

2008 – 2012
  • Managed a vSphere 4 infrastructure (4 vCenters, 55 hosts, 250+ guests) and upgraded production to vSphere 5.
  • Led the Active Directory migration from Windows 2000 to Server 2008 R2; used PowerShell to build 135 DHCP scopes for remote sites.
  • Patched 2,000+ endpoints with WSUS and migrated 2,400 endpoints to Symantec Endpoint Protection.

IT Director · Ayudantes Inc.

2004 – 2008

Recognition

Education