Mohamed Khaled
Network Design Engineer · OT & Industrial Networks
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
Open to exciting opportunities in network design, OT security, and rail communication systems.
Send a Direct Message
Prefer typing over WhatsApp? Drop a note below and it lands straight in my inbox.