
Osama Nadeem
IT Administrator, Microsoft 365, Firewall and Network Security Expert
Habilidades

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Portfólio
Experiência profissional
Freelance Web Developer
Self employed / Freelance • Freelance
Mar 2026 - Present • 8 mos
Designed and developed a Dubai tourism website from scratch, delivered in 8 weeks including hosting, domain setup and SEO. Built the corporate website for a Dutch customs brokerage from scratch with the first live version delivered in 3 days; ongoing enhancements as per client requirements. Handled hosting, domain and DNS configuration, SSL and website security. Implemented on-page SEO, mobile-responsive design and performance optimization. Provide ongoing maintenance, updates and client support.
IT Executive - TechTiks Global Ltd Pvt.
LinkedIn • Período integral
Sep 2025 - Feb 2026 • 5 mos
Managed Ubiquiti Unifi routers, switches, access points, and firewalls. Configured and maintained Zabbix monitoring system. Managed IP PBX system and call routing. Administered Active Directory and File Server permissions. Provided L1 & L2 end-user support. Implemented firewall policies and security rules.
Network System Administrator
AEDesign • Período integral
Dec 2024 - Sep 2025 • 9 mos
Implemented ISO 27001 aligned IT policies. Conducted internal audits and compliance checks. Led infrastructure upgrades and migrations. Managed backups using Veeam. Delivered IT training sessions.