Profile

Mitch Stewart

Systems Administrator, IT Operations, and Automation Professional focused on secure, efficient, and scalable Microsoft 365, endpoint, and platform solutions.

800+
Managed devices
M365
Administration
Security
Operations

Summary

This page highlights the background, technical skills, and experience of Mitch Stewart. It showcases a blend of systems administration, cybersecurity, automation, and support-driven IT operations built around Microsoft 365, endpoint management, and business platform enablement.

Experience

System Administrator Experience

  • Administrated Microsoft 365 services, enterprise applications, user accounts, licensing, and role-based access across the organization.
  • Managed Microsoft Entra ID, Conditional Access, authentication methods, SSO integrations, Azure roles, and Privileged Identity Management.
  • Administered Microsoft Intune configuration, compliance, application deployment, and remediation policies for managed Windows endpoints.
  • Maintained Microsoft Exchange Online policies and email security controls.
  • Monitored Microsoft 365 service changes and coordinated planned actions.
  • Administered third-party platforms including TeamViewer and supported Dynamics 365 CRM, SharePoint, and Power Platform environments.
  • Administered Microsoft Defender XDR, Defender for Endpoint, Defender for Office 365, and Microsoft Sentinel SIEM.
  • Investigated security alerts, suspicious email, endpoint vulnerabilities, and SIEM incidents; applied mitigations and escalated issues to a third-party SOC MSP when required.
  • Developed incident-response plans and administered phishing simulations, security orientation training, and Microsoft Purview data loss prevention policies.
  • Performed access reviews, monitored elevated-role activations, and reviewed software and website security risks.

Automation Experience

  • Provided help desk support by triaging and prioritizing service issues and requests.
  • Created and maintained system documentation, service processes, procedural documentation, and internal training materials for employees and support teams.
  • Managed request assignments, escalations, and follow-up activities to support timely resolution throughout the support team.
  • Managed IT inventory and procurement of all technology.
  • Automated recurring administrative, auditing, reporting, and remediation work with PowerShell, Python, Power Automate, and Microsoft 365 tools.
  • Coordinated Microsoft and third-party software patching and monitored device vulnerabilities to reduce operational and security risk.
  • Created system, procedural, and service-process documentation to improve consistency, supportability, and change management.
  • Developed automated deployment frameworks to standardize and accelerate client onboarding.
  • Managed monitoring, patching, and operational health for 800+ managed devices across multiple clients.
  • Created Python-based analytics and reporting tools that identified recurring issues.
  • Served as a technical lead for automation initiatives focused on reducing support effort and improving customer outcomes.

Business and Platform Support Experience

  • Managed vendors for key applications and procurement.
  • Built and administered SharePoint lists, communication sites, approval workflows, compliance trackers, licensing monitors, and support-tracking solutions.
  • Built Power BI data and reporting connecting to the CRM and other systems to improve insight.
  • Partnered with business teams and vendors to translate operational requirements into secure, maintainable technology solutions.

Service Desk Experience

  • Monitored, patched, and maintained approximately 800 managed devices across multiple client environments.
  • Triaged incidents and service requests, coordinated assignments and escalations, and minimized client downtime through structured troubleshooting.
  • Supported Windows and macOS endpoints, printers, networking, user accounts, shared mailboxes, and remote-access tools.