Mohamed
Khaled
Network Design Engineer specializing in mission-critical transportation & OT (Operational Technology) networks. Rail Communication Systems · Multi-Vendor Integration · Cairo, Egypt.
Expertise
Core Skills
Eight years of growth across networking, OT systems, and security — each milestone tied to a real project, role, or certification. Hover any point for the story behind it.
Career
Work Experience
Network Design Engineer
Feb 2026 – Present
HITACHI Rail
- Engineered and deployed communication networks for CBTC systems, achieving >99.99% uptime
- Built LAN/WAN topologies (MRP/RSTP rings) in Microsoft Visio, eliminating single points of failure
- Integrated ultra-reliable wireless backhaul (Cisco URWB) with sub-1 ms roaming latency
- Strengthened network stability using ERPS and multi-area OSPF, reducing failover time to <50 ms
- Led OT data center planning (Leaf-Spine, vSAN), increasing scalability and throughput by ~30%
- Applied IEC 62443-based segmentation and IPSec VPNs, reducing security risks by ~40%
- Managed integration across onboard, wayside, and WAN systems for seamless operation
- Developed an internal tool automating onboard network acceptance testing across train segments, standardizing latency/throughput validation reports
CBTCOSPF
ERPSMRP
Cisco URWBLeaf-Spine
IPSec VPNIEC 62443
Microsoft Visio
Testing & Commissioning Engineer
Feb 2024 – Jan 2026
NOKIA — Cairo Monorail Project
- Deployed and configured telecom infrastructure across 100+ network nodes
- Executed end-to-end validation across PA, PIS, CCTV, and telephony platforms
- Managed fiber optic testing and optimization, improving signal quality and backbone stability by ~25%
- Delivered commissioning milestones on schedule with 100% test case compliance
NOKIACCTV
PA/PISFiber Optics
TelephonyOTDR
Portfolio
Technical Projects
📡
PingPair – Automated LAN Characterization Tool
Python/Qt app automating iperf3/fping test sweeps with automated reporting — cutting LAN acceptance testing from hours to ~16 minutes.
↗ www.pingpair.app
🚆
Cairo Monorail Progress Tracker
Reporting application for daily site updates and commissioning milestones across 100+ network nodes.
👴
IoT Elderly Monitoring System
Wearable tracking platform for senior safety — published in the International Journal of Technology (2023).
🤖
Autonomous Mobile Robot (SLAM)
Mapping and autonomous navigation using sensor fusion and SLAM algorithms.
↗ View on GitHub
👁️
Face Recognition System
Biometric access control solution using Python and OpenCV with real-time face detection.
🏠
IoT Smart Home System
Cost-effective remote control and home automation platform with real-time monitoring capabilities.
💾
ESP32-S3 Smart USB Drive
Embedded firmware supporting dual USB/WiFi operation with advanced storage capabilities.
↗ View on GitHub
🧠
AI-Driven Development Workflows
Automated planning, code review, and testing processes — reducing development time by ~30%.
Credentials
My Certificates
16 certificates across networking, engineering, safety, and more — click below to expand the gallery.
Background
Education & Languages
Bachelor of Engineering (Honours) in Electronics
Multimedia University (MMU), Malaysia
2018 – 2023 · Second Class Honours (Upper Division)
📄 Publication · DOI ↗
A Mobile IoT-Based Elderly Monitoring System for Senior Safety
International Journal of Technology, 14(6), pp. 1185–1195 · 2023
Key Certifications
Administering VMware vSphere 8 — ESXi + vCenter
2026
Active Directory on Windows Server
2026
CCNP ENCOR (350-401)
2026
CCNP ENARSI
2026
CCNA — Enterprise, Security & Automation
2025
Nokia NRS II — IP Network Routing Specialist
Winter 2025
ROS — Robotics Operating System
2023
.NET Backend Development
2023
Languages
Arabic
Native
English
Fluent
German
Basic
Get in Touch
Let's Connect
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