The resume fits two pages. The experience page is the longer account: identity and Microsoft 365, automation, six years of AWS and Citrix, security operations, and documentation.
Senior IT Infrastructure Engineer | St. Louis, MO
Marcus
Whitman
I administer cloud, Microsoft 365, and identity infrastructure for a managed services provider serving 44 client organizations, 21 of them on Microsoft 365, and build the PowerShell and Python tooling that keeps it documented, audited, and repeatable. Recent work includes an acquired MSP's documentation migrated out of SharePoint into IT Glue, a security audit program across 25 clients, and delegated administration that replaced per-client admin accounts with a single secured identity per technician. Before this role, at Keystone Technologies, I administered AWS and Citrix Cloud for 25+ clients.
work
Selected infrastructure and automation work, written up as case studies.
SharePoint-to-IT-Glue Migration
An acquired MSP's client documentation, 1,340 documents, moved out of SharePoint into IT Glue as readable HTML with credentials screened out before publish.
Multi-Tenant Delegated Administration
Per-client admin accounts replaced with one secured identity per technician across 21 client tenants: CSP/GDAP delegated access from one Lighthouse template, with the security groups and renewals automated through Graph.
Security & Infrastructure Audit Program
An audit program across 25 client organizations that caught what spot checks missed, including expired perimeter security licensing that had left threat protection off, each finding documented with remediation guidance in IT Glue.
Phishing-Simulation Platform
A self-hosted GoPhish platform on Azure that has run three paid awareness engagements: scripted Azure CLI configuration, TLS, SMTP relay, and secrets in Key Vault.
RMM-to-Documentation Pipeline
Per-site network records for 16 client organizations generated from live RMM inventory: gateway-first site detection over the NinjaOne API, written into IT Glue on demand.
experience
resume
The full history: roles, employers, and dates. Twenty-plus years in enterprise IT, from desktop support to senior IT infrastructure engineer.