System administration
Active Directory, Microsoft 365, Windows & Windows Server, Group Policy, and day-to-day IT asset management.
100+ End-Users Supported
Dubai, UAE
Muhammed Zanhal - IT Support
Engineer in Dubai, UAE
Muhammed Zanhal is an IT Support Engineer based in Dubai, United Arab Emirates, with professional experience across IT infrastructure, systems administration, networking, cybersecurity, Microsoft 365, Active Directory, technical support, VoIP, surveillance systems, access control, and IT automation.
- Full name
- Muhammed Zanhal
- Role
- IT Support Engineer
- Company
- Crystal Gallery, Dubai, UAE (since May 2025)
- Based in
- Dubai, United Arab Emirates
- Education
- BCA, Pondicherry University
- Career goal
- Senior IT Support Engineer
100+
Users supported
80+
Endpoints managed
40+
IP phones deployed
90%
Fewer manual checks
About
Who is Muhammed Zanhal?
Muhammed Zanhal is an IT Support Engineer and technology professional based in Dubai, UAE. He currently works as an IT Support Engineer at Crystal Gallery in Dubai, where he supports business users and manages a wide range of IT infrastructure and systems. His current experience includes supporting 100+ users, maintaining endpoints and network infrastructure, administering Microsoft 365 and Active Directory, managing network and security equipment, configuring IP telephony, supporting CCTV and biometric systems, and developing PowerShell-based automation solutions. Alongside his IT career, Muhammed Zanhal has a professional background in web development and digital solutions. He has worked as a Web Developer and Full-stack Developer and has designed and developed websites for businesses and organizations across different industries. His professional profile combines IT support, infrastructure management, systems administration, networking, cybersecurity, automation, web development, and custom digital solutions.
Current role
IT Support Engineer, Crystal Gallery
Crystal Gallery - Dubai, UAE
Maintaining 80+ desktops and laptops, 20+ printers, access points, routers and switches for 100+ users
Systems administration
- Microsoft 365 & Active Directory
- User provisioning & deprovisioning
- License & access policy management
Networking & security
- Fortinet, Cisco Meraki, Ubiquiti
- LAN/WAN, DHCP, DNS, VPN
- Firewall & intrusion prevention
VoIP & communication
- 40+ Grandstream IP phones
- SIP trunking & call routing
- PABX & IVR configuration
CCTV & access control
- Hikvision CCTV, DVR/NVR
- ZKTeco biometric enrollment
- HR/payroll system integration
Backup & continuity
- Scheduled backups & monitoring
- Restoration testing
- Business continuity planning
Specialized equipment
- Vitro laser machines
- Waterjet machines
- Graphics plotters
Core expertise
Infrastructure, security and support - end to end
Networking & cybersecurity
Multi-vendor network troubleshooting and endpoint security across business-critical environments.
Technical support
Hardware, software and remote troubleshooting across desktops, printers, and specialized production equipment.
VoIP & physical security
IP telephony, CCTV and biometric access control configured and maintained for daily business operations.
IT automation
PowerShell scripting used to monitor systems, audit compliance, and cut down repetitive administrative work.
Backup & recovery
Scheduled backups, restoration testing and business continuity planning to keep operations resilient.
IT projects — automation & PowerShell
Reducing manual work, one script at a time
90%
fewer manual workstation inspections
Automated system health monitoring
A PowerShell-based monitoring solution across 80+ workstations tracking CPU, RAM, GPU, uptime, disk I/O and network latency, with formatted reports flagging critical conditions.
View project on GitHub ↗100%
encryption visibility across endpoints
BitLocker compliance automation
A compliance audit script checking encryption status and percentage across endpoints, flagging non-compliant systems with automated reports and email alerts.
View project on GitHub ↗M365
Exchange Online monitoring
Mailbox usage monitoring
An Exchange Online automation collecting mailbox size, quota and usage into centralized CSV reports, so the IT team can act before mailboxes hit their limits.
View project on GitHub ↗Robocopy
scheduled sync jobs
OneDrive directory sync
A PowerShell and Robocopy solution syncing files on secondary local drives to OneDrive on a schedule, improving redundancy for data stored outside standard profile folders.
View project on GitHub ↗Selected case studies
A few problems worth
writing up
Resolving persistent Active Directory account lockouts
Investigation
Traced repeated lockouts on a high-priority account using AD Event ID 4740, source IP identification and Credential Manager analysis.
Root cause
Outdated credentials stored in an old mobile mail profile, combined with cached background services.
Resolving network IP conflicts
Investigation
ARP and MAC address analysis cross-referenced against Active Directory and DHCP/DNS reservations.
Root cause
Two systems configured with the same manually assigned static IP address.
Critical server hardware recovery
Investigation
A company server failed to POST; diagnostics pointed to BIOS configuration and hardware faults.
Root cause
A depleted CR2032 CMOS battery.
Diagnosing a network printer failure
Investigation
Printer appeared online but the queue stayed paused; the investigation moved to the authentication layer.
Root cause
An expired Active Directory password affecting authentication to the network printer share.
Web development projects
Websites & digital solutions
MyHomes Builders
A construction company website presenting residential and construction-related services.
Visit site ↗Lifestyle Fitness
A fitness and gym website presenting training and fitness-related services.
Visit site ↗Facility Zone
A facility management website covering technical AMC, support, and hygiene services.
Visit site ↗Alduaa Al-Ardh
A corporate website presenting IT, contracting, and maintenance services.
Visit site ↗Querio Store
An e-commerce website for unique and crafted products.
Visit site ↗Aralam Farm
A website showcasing agricultural and tribal initiatives.
Visit site ↗KL-Bro
A dynamic portfolio website incorporating YouTube API integration and live analytics.
Visit site ↗Prime Fresh
An import-export business website presenting products including spices and staples.
Visit site ↗MFresh
An FMCG business website serving products to markets worldwide.
Visit site ↗Compare Insurance
A corporate insurance comparison website for a provider in Qatar.
Visit site ↗Provider Supports
An interior design website presenting commercial and industrial projects.
Visit site ↗Querio Creative
A website presenting commercial interior design projects.
Visit site ↗Education & certifications
Foundations
Bachelor of Computer Applications
Graduated First Class, with a focus on programming, database management and software development.
HSC — Computer Science
Fortinet Certified Fundamentals in Cybersecurity (FCF)
AWS Online Conference Certification
Microsoft Office
Languages
Working across a multilingual environment
English FULL PROFESSIONAL
Malayalam NATIVE
Hindi LIMITED WORKING
Tamil LIMITED WORKING
Arabic LIMITED WORKING
Hiring for an IT support or infrastructure role?
Available for IT Support, Systems Administration and Network Support opportunities in the UAE, plus select freelance web projects.