CCNA Certified

Muhammed Umar

IT Infrastructure & CCTV Specialist | Network Engineer

Highly skilled technical specialist with over a decade of comprehensive experience in electronics troubleshooting, enterprise-grade IP surveillance networks, and complex motherboard chip-level diagnostics.

Contact Me +971 501196979

Core Technical Expertise

Networking & Protocols

Cisco IOS, Routing & Switching, VLANs, Inter-VLAN Routing, Subnetting, OSPF, DHCP, DNS, ACLs

CCTV & Security

IP & Analog Surveillance Networks, NVR/DVR Configuration, UPS Integration, Structural Cat5e/Cat6 Cabling

Hardware Engineering

Laptop & PC Chip-Level Repair, Micro-Soldering, Reballing, Circuit Board Diagnostics & Fault Isolation

Systems & OS

Windows Server, Linux, Cisco Packet Tracer, Wireshark, Diagnostic Utilities

Professional Experience

CCTV & Security Systems Technician

GRA Approved Official Security System — Ras Al Khaimah, UAE

2025 - Present

Lead deployment, configuration, and maintenance of GRA-approved critical IP & analog CCTV networks.
Manage network parameters, efficient IP addressing schemes, and high-capacity NVR/DVR storage setups.
Integrate UPS battery-supported power backup solutions to ensure uninterrupted surveillance uptime.

Founder & Chief Technical Specialist

Repairmate Smart Care — Kerala, India

2021 - 2025

Established and operated an advanced multi-brand service center for communication hardware.
Executed micro-soldering, motherboard diagnostics, and chip-level repairs for laptops and mobile devices.

Samsung Mobile Engineer

Samsung Authorized Service Center — Kerala, India

2020

Executed strict brand-standard diagnostics and component-level repairs on official Samsung devices.

Practical Lab & Simulation Projects

Secure Enterprise Network Simulation

Tool: Cisco Packet Tracer

Designed a multi-branch corporate network featuring OSPF routing, VLAN segmentation, ACLs, and Port Security to mitigate internal threats.

Vulnerability Assessment & Analysis

Tools: Nmap, Wireshark

Conducted network scanning using Nmap for open ports and used Wireshark packet capture to isolate suspicious behaviors.

Certifications & Education

Cisco Certified Network Associate (CCNA)

Credential ID: CSC013455483