PROJECT 01COMPLETE
Windows LAPS & Advanced Group Policy
Encrypted local administrator passwords, scoped Group Policy, delegated readers, and positive and negative access tests.
Jeremy C. Fontenot / IT portfolio
Support experience.
Systems
administration proof.
IT Professional | Microsoft Systems Administration
Cloud & Infrastructure
Enterprise Service Desk experience. Hands-on Microsoft infrastructure. Explore the configurations, troubleshooting, and validation behind the work.
PERSONAL LAB / CORE TOPOLOGY01—04
VIRTUALIZATION PLATFORM
Dell PowerEdge R710Proxmox VE · retained infrastructure snapshotpfSenseRouting / firewall
DC01AD DS / DNS / DHCP
WS01Domain workstation
Linux01Ubuntu / SSSD / VLAN 30
ADDITIONAL DOCUMENTED LAB SYSTEMS · PLACEMENT VARIES
HVHOST01Hyper-V host → APP01 workload
VMM01SCVMM management server
SYNC01Earlier identity sync environment
macOS MontereyCross-platform client / lab
DOCUMENTED SYSTEM MAP
Core Proxmox inventory plus additional lab systems; placements and simultaneous operation not asserted · personal nonproduction environment
Core Proxmox inventory plus additional lab systems; placements and simultaneous operation not asserted · personal nonproduction environment
The lab behind the portfolio → Explore the environment
13Documented projects
MicrosoftAdministration focus
7 scriptsValidated Graph reporting
Evidence firstBounded technical claims
Selected technical work
Built. Troubleshot. Validated.
Start with the outcomes. Go deeper into the implementation and proof.
PROJECT 02COMPLETE
Microsoft Entra Hybrid Identity & Cloud Sync
Scoped AD-to-Entra provisioning with source-anchor correlation, Password Hash Sync, and lifecycle validation.
PROJECT 11COMPLETE
Windows Autopilot & Intune MDM Provisioning
Physical-device provisioning through branded OOBE, ESP, Entra join, security policy, and final Intune compliance.
PROJECT 13COMPLETE
Microsoft 365 Graph Administration Lab
Seven validated read-only scripts for tenant, user, group, license, role, stale-account, and Intune reporting.
How I work
Understand the system.
Prove the result.
My professional support experience emphasizes triage, clear communication, documentation, and escalation. My personal lab extends that foundation into systems administration.
Explore professional experience ↗Establish scope
Separate symptoms, dependencies, and assumptions before changing configuration.
Investigate with evidence
Inspect logs, permissions, effective policy, connectivity, and actual system state.
Make a deliberate change
Use a bounded correction and preserve working infrastructure.
Validate and document
Retain the result, the troubleshooting record, and the limits of what was proven.
Capability areas
Across the Microsoft environment.
01
Identity & access
Active Directory, Group Policy, Windows LAPS, Entra ID, and hybrid identity.
02
Endpoint & cloud
Intune, Autopilot, Exchange Online, Defender, and Conditional Access.
03
Infrastructure
Windows Server, Hyper-V, Proxmox, SCVMM, Azure Arc, and networking.
04
Operations & automation
Enterprise ticketing with Ivanti, Jira, and ServiceNow; separate PowerShell, Microsoft Graph, and ServiceNow administration lab work backed by evidence.
Let’s talk about your team
Support experience. Infrastructure ambition.
Systems administration, Microsoft 365, infrastructure support, and IT operations.