Enterprise IT Consultant

Robert Greenlee

Microsoft & VMware expertise. Real-world infrastructure. Practical results.

30+ years of enterprise infrastructure expertise serving organizations across Sacramento, Northern California, and globally. Deep specialization in Microsoft technologies, VMware virtualization, third-party infrastructure support, data migration, technical documentation, and IT training — available for on-site and remote engagements worldwide.

30+
Years Experience
100+
Clients Served
SMB–Gov
All Scales
Global
On-site Available

Consulting Services

Specialized technology solutions built on deep Microsoft and VMware expertise — serving corporations, small businesses, and government entities across Sacramento, Northern California, and beyond.

01
Microsoft Infrastructure & Systems
Deep expertise across the full Microsoft stack — Windows Server, Active Directory, Exchange, Microsoft 365, Azure AD, and Intune. Planning, deployment, migration, and ongoing support for organizations of all sizes.
Microsoft
02
VMware Virtualization
Design, deployment, and administration of VMware vSphere, ESXi, vCenter, and related virtualization environments. Consolidation, performance tuning, and migration from physical to virtual infrastructure.
VMware
03
Third-Party Infrastructure Support
Vendor-neutral support for enterprise infrastructure products across storage, networking, backup, and monitoring platforms. Experienced integrating and supporting multi-vendor environments with complex dependencies.
Enterprise
04
Data Migration
End-to-end planning and execution of data migration projects — server-to-server, physical-to-virtual, on-premises to cloud, and platform-to-platform. Minimizing downtime and data risk throughout every phase.
Migration
05
Technical Documentation
Creation of clear, accurate, and maintainable technical documentation — runbooks, system architecture diagrams, standard operating procedures, and knowledge base articles tailored to your team's needs.
Documentation
06
Technical Training & Enablement
Instructor-led and self-paced training programs for IT staff and end users. Covering Microsoft technologies, VMware, security practices, and custom tooling — delivered on-site or remotely.
Training
07
Network Architecture & Support
Design, deployment, and optimization of enterprise networks — routing, switching, VPN, SD-WAN, and performance troubleshooting engineered for maximum uptime, security, and scalability.
Infrastructure
08
Disaster Recovery & Business Continuity
Design and implementation of DR strategies, backup architectures, and tested continuity plans ensuring rapid recovery from outages, cyberattacks, or natural disasters.
Critical Systems
09
PC & Mac Repair and Support
Diagnosis and repair of desktops, laptops, and workstations across Windows and macOS platforms. Hardware, software, and connectivity issues resolved quickly to keep teams productive.
All Sizes

30 Years of Enterprise IT Leadership

With more than 30 years of experience in enterprise infrastructure support services, I help organizations across Sacramento and Northern California — and globally — build reliable, high-performance IT environments.

My core strengths are in Microsoft technologies, VMware virtualization, and third-party infrastructure products — areas where I bring deep hands-on expertise built over decades of real-world engagements. I also specialize in data migration, technical documentation, and IT training, helping organizations not just implement technology but understand and sustain it.

As a multi-modal consultant available for on-site travel, I offer flexible engagement models for organizations that need experienced, practical expertise across locations. Trusted by clients throughout Sacramento and beyond, I deliver clear guidance, dependable execution, and a commitment to building technology foundations that last.

Perspectives from the Field

Practical thoughts on enterprise IT, cybersecurity, cloud strategy, and technology leadership — drawn from 30+ years in the industry.

Let's Start a Conversation

Whether you're planning an infrastructure overhaul, evaluating cloud options, responding to a security incident, or looking for an experienced technology partner — reach out and let's discuss what your organization needs.

Location
Sacramento & Northern California
Availability
On-site & Remote — Global Travel Available
Message received — Robert will respond within one business day.