Understand
Learn how the system works before changing it.
SAMIR EL MOUSAOUI · IT MANAGER
Systems, infrastructure and applied security.
I work as an IT Manager, with a broad focus on IT infrastructure, networking, Microsoft 365, automation, machine vision, and cybersecurity. I’m passionate about solving technical challenges, continuously learning, and sharing knowledge through clear and practical explanations.
01 · MINDSET
Knowledge matters when it can be applied.
Titles and certifications can demonstrate progress, but they are not the final objective. What matters is what remains after studying: what you understand, what you can explain and how you apply it to real problems.
I believe technology should be used with a clear purpose. A tool, platform or automation only makes sense when it improves a process, reduces friction or solves a real need.
Apply
Turn theory into decisions, solutions and real experience.
Simplify
Technology should reduce complexity, not create more of it.
02 · EXPERIENCE
Networks & Infrastructure
Switching, VLANs, fiber links, routing, Wi-Fi, virtualization and day-to-day site operations.
Microsoft 365 & Systems
User lifecycle, permissions, endpoints, collaboration services, Windows and Linux administration.
Automation
Scripts and workflows that reduce repetitive work without hiding how the process works.
Industrial Machine Vision
Cameras, lighting, inspection systems, configuration, integration and troubleshooting.
Cybersecurity
Practical learning across reconnaissance, service enumeration, hardening, web security and controlled labs.
Private Teaching
One-to-one teaching, adapting explanations to the learner and turning complex ideas into practical steps.
03 · FIELD NOTES
Clear references for real technical work.
Focused notes on systems, networking, web security and eJPT preparation—searchable, practical and organised by topic.
Network & Service Enumeration
SMTP enumeration & mail flow
Practical SMTP enumeration reference covering mail flow, banners, SMTP commands, user enumeration, STARTTLS, authentication, open relay testing and Metasploit.
Web Security
SQL Injection fundamentals
Practical notes on MySQL syntax, SQL injection detection, authentication bypass, UNION-based extraction, database enumeration and privilege checks.
Network Analysis
Wireshark — HTTP & Traffic Analysis
Practical Wireshark reference for analysing HTTP, DNS, SMB2 and TCP traffic using display filters, packet search, Follow TCP Stream and fast investigation techniques.
Linux & Systems
xargs — building command pipelines
Use xargs to transform standard input into command arguments, batch operations and parallel workflows.
Networking
Cisco: switching, VLANs, trunks and inter-VLAN routing
Practical Cisco switching labs: access VLANs, 802.1Q trunks, router-on-a-stick, Layer 3 switching, Rapid PVST+ and LACP EtherChannel.
Network & Service Enumeration
SMB enumeration
Practical SMB enumeration reference covering shares, users, permissions, NULL sessions, guest access, smbclient, smbmap, enum4linux, NetExec and Metasploit.