Nadeem M.

Experienced IT Infrastructure Professional specializing in Microsoft, Cisco, Linux, Cloud, Virtualization, Firewalls, Networking, and Cybersecurity. I provide reliable, hands-on IT infrastructure support with a strong focus on troubleshooting, security, stability, migration, and business continuity. Systems & Network Administration - Microsoft Windows Server Administration - Active Directory, DNS, DHCP, Group Policy & Domain Services - Domain Controllers, AD Replication, Sites & Services - Domains, Trusts, Schema & Active Directory Architecture - Windows Server Migration & Infrastructure Deployment - Microsoft PKI / AD CS Implementation & Management - Microsoft Exchange Server Administration - Microsoft Lync / Skype for Business Administration - VMware & Microsoft Hyper-V Virtualization - FreePBX & Asterisk VoIP Server Administration - AWS, Microsoft Azure & Google Cloud Server Administration Microsoft Cloud & Microsoft 365 - Microsoft Entra ID / Azure AD & Identity Management - Microsoft Azure & Microsoft 365 Administration - Microsoft Intune — MDM / MAM - Identity & Access Management - Conditional Access & Enterprise Identity Services - Microsoft 365 Administration & Troubleshooting - Azure Administrator (AZ-104) - Azure Fundamentals (AZ-900) - Security Operations (SC-200) - Identity & Access Administrator (SC-300) Cloud & Email Migration - On-Premises to Microsoft 365 / Google Workspace - Microsoft 365 to Microsoft 365 - Microsoft 365 to Google Workspace - Google Workspace to Microsoft 365 - Microsoft 365 Mailbox & PST Migration - Email, User, Domain & Data Migration Firewalls & Network Security - pfSense & OPNsense - MikroTik RouterOS & Firewall - Fortinet FortiGate Firewall - Firewall Configuration, Troubleshooting & Security - Network Segmentation, Routing & Access Control VPN & Secure Connectivity - PPTP, SSTP & L2TP/IPsec - OpenVPN & WireGuard - GRE, IPIP & EoIP - PPPoE - ZeroTier - Site-to-Site & Remote Access VPNs Virtualization & Hypervisors - VMware ESXi / vSphere - Microsoft Hyper-V - Proxmox VE - Virtual Machine Deployment, Migration & Troubleshooting Linux Systems & Network Administration - Linux Server Administration - Linux Network Services & Infrastructure - Ubuntu, CentOS, Red Hat & CloudLinux - Linux Security Administration - Kali Linux & Security Testing Tools - Linux Server Deployment, Hardening & Troubleshooting IT Help Desk & Service Management - ServiceNow - ManageEngine - Zoho Desk - Zendesk - IT Help Desk & Technical Support - Incident, Request & Problem Management - IT Infrastructure Troubleshooting Cybersecurity - Network & Infrastructure Security - Ethical Hacking & Penetration Testing - Vulnerability Assessment - OWASP Security Testing - Kali Linux Security Tools - Security Operations & Monitoring - ITIL - CompTIA Security+ - CEH - ISC2 SSCP / CISSP - OSCP - Mile2 CPTE Certified Penetration Testing Engineer Certifications & Professional Expertise - Microsoft: MCT, MCP, MCSA, MCSE, MCITP, MCTS - VMware VCP5-DCV - Microsoft Azure: AZ-900, AZ-104 - Microsoft Security: SC-200, SC-300 - Cisco Networking - Fortinet, MikroTik, pfSense & OPNsense - Cybersecurity, Ethical Hacking & Penetration Testing What I can help you with: - IT Infrastructure Design & Deployment - Microsoft & Linux Server Administration - Active Directory & Entra ID - Microsoft 365 & Cloud Migration - Firewall & VPN Configuration - Network Troubleshooting & Security - Virtualization & Server Migration - Cybersecurity & Security Hardening - Help Desk & IT Support I bring extensive hands-on experience across enterprise IT infrastructure, networking, cloud platforms, systems administration, and cybersecurity, helping businesses build, secure, migrate, and maintain reliable IT environments.