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johninfra/README.md

John Tyler

IT Support Specialist | System Administration | Cybersecurity

CompTIA A+ certified IT Support Specialist with nearly two years of enterprise IT support experience and an A.S. in Computer Information Systems. I build enterprise-focused home labs to strengthen my skills in systems administration, Microsoft cloud technologies, identity and access management (IAM), automation, networking, and cybersecurity.

My portfolio demonstrates hands-on experience with Microsoft Entra ID, Active Directory, Windows Server, Microsoft 365, PowerShell, VMware, Splunk SIEM, networking, endpoint administration, and enterprise troubleshooting. Every project is documented with technical write-ups, screenshots, and real-world implementation details.

🛠️ View my Hands-On Lab Portfolio


Technical Skills

Category Technologies & Tools
Operating Systems Windows 10/11, Windows Server 2022, Kali Linux, Ubuntu
Identity & Cloud Microsoft Entra ID, Active Directory, Microsoft 365, RBAC, Security Groups, User Provisioning
Systems Administration ADUC, Group Policy (GPO), Windows Administration
Networking & Security TCP/IP, DNS, DHCP, VPN, SMB, Wireshark, Nmap, Splunk SIEM
Automation PowerShell, Windows CMD
Virtualization VMware Workstation
Remote Support RDP, Quick Assist, TeamViewer, AnyDesk
IT Operations ITSM, Incident Management, Asset Management, Documentation

Featured Projects

Microsoft Entra ID IAM Fundamentals Lab

Designed and deployed a simulated enterprise Microsoft Entra ID environment.

  • Created 10 cloud identities
  • Configured 15 enterprise security groups
  • Implemented RBAC
  • Applied least privilege
  • User provisioning
  • Group ownership
  • Identity lifecycle management
  • Enterprise documentation

AI-Powered IT Operations Playbook

Enterprise IT operations repository containing:

  • AI Workflows
  • IT Standard Operating Procedures
  • Security Operations Documentation
  • Help Desk Playbooks
  • Active Directory Processes
  • PowerShell Automation Concepts
  • Incident Response Procedures
  • Operational Knowledge Management

Featured Repositories

  • IT Support, IAM, & Cybersecurity Labs: Hands-on simulations featuring Active Directory provisioning, network troubleshooting, network packet analysis, and endpoint security hardening.

IT Support, IAM, & Cybersecurity Labs

23+ enterprise-focused hands-on labs demonstrating:

  • Identity & Access Management: Microsoft Entra ID, Active Directory, user lifecycle management, security groups, RBAC, and least-privilege administration.
  • Enterprise Infrastructure: Windows Server, Microsoft 365, Group Policy, PowerShell automation, virtualization, and endpoint management.
  • Security Operations: Splunk SIEM, Sysmon, Windows Event Logs, vulnerability management, and incident investigation.
  • Networking: TCP/IP, DNS, DHCP, VPNs, Wireshark, Nmap, and enterprise network troubleshooting.

Certifications

✔ CompTIA A+

🎯 Currently studying for CompTIA Security+

Currently Learning

• Microsoft Entra ID • Identity & Access Management (IAM) • Microsoft Azure • Windows Server Administration • PowerShell Automation • Active Directory Security • Security Operations

Career Goals

Driven IT Support Professional with proven experience managing enterprise Active Directory environments, access controls, and network diagnostics. Committed to optimizing system uptime and delivering seamless, tier-2 level technical problem-solving. My goal is to leverage my hands-on background to streamline enterprise IT support workflows and contribute to robust infrastructure administration.


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