JCM
Berlin, Germany — IT System Administrator
Freelance & Consulting Available
Jean-Claude Munyakazi
10+ years building, securing, and managing IT infrastructure from Bujumbura to Johannesburg to Berlin. Specialising in Microsoft 365, network security, and system administration. Independent IT consultant available for freelance, infrastructure, and technical collaboration projects.
10+
Years Experience
3
Countries
CCNA
Certified
M365
Specialist
Microsoft 365 Administration ◆
Network Security ◆
Cisco CCNA ◆
Veeam Backup ◆
Windows Server & Linux ◆
ISO 27002 ◆
PowerShell & Automation
What You'll Find Here
A Portfolio Built
From Real Lab Work
Every project, article, and guide on this site comes from hands-on work, real configurations, real deployments, real documentation. No filler content.
M365 Runbooks
6 full admin runbooks for a fictional 23-user tenant
Security Guides
6 end-user PDF guides covering MFA, phishing, passwords
Technical Blog
12+ in-depth articles on networking & cybersecurity
Self-Hosted Infra
This site runs on a Raspberry Pi with Cloudflare Tunnel
Professional Services
Infrastructure, Microsoft 365 & Technical Consulting
Supporting SMEs, portfolio projects, and independent deployments through hands-on infrastructure administration, Microsoft 365 environments, Linux systems, networking, and technical documentation.
Microsoft 365 Administration
Infrastructure Consulting
Linux & Self-Hosted Systems
Network Administration
Technical Documentation
IT Support & Automation
Available for freelance, consulting, and collaborative IT projects.
Portfolio Overview
See the Work in Action
Explore the Site
Projects, Guides & Articles
Everything here is built from real lab work. Click any card to explore.
01 — Portfolio
System & Network Projects
Hands-on M365 administration, network infrastructure, WordPress on Raspberry Pi, and security lab work.
- M365 Administration Runbook Series (6 guides)
- User Security Guide Series (6 PDF guides)
- WordPress Portfolio on Raspberry Pi (LAMP)
- WLAN-to-LAN Bridge & Network Lab
02 — Services
IT Infrastructure Services
Independent Microsoft 365, infrastructure, networking, Linux, documentation, and technical consulting services.
- Microsoft 365 administration and tenant support
- Infrastructure consulting and self-hosted systems
- Network administration and troubleshooting
- Technical documentation and automation support
03 — Blog
Professional Blog
In-depth technical articles on cybersecurity, network management, Cisco IOS, and IT security frameworks.
- Cybersecurity Domain Series (13 articles)
- Network Management Series (6 articles)
- ISO/IEC 27002:2022 Security Framework
- Network Troubleshooting & Static Routing
04 — About
My Journey
From Burundi and Rwanda to South Africa to Germany, 10+ years shaped by curiosity, resilience, and a passion for technology.
- 10+ years in IT across 3 countries
- CCNA, Linux, Microsoft 365 certified
- M365 migration (Berlin)
- Self-hosted portfolio on Raspberry Pi
Core Competencies
Technical Expertise
Microsoft 365
Exchange, SharePoint, Teams, Intune, Entra ID, Power Automate
Networking
TCP/IP, VLANs, VPNs, Cisco IOS, Routing & Switching (CCNA)
Cybersecurity
System hardening, firewalls, endpoint security, ISO 27002
System Admin
Windows Server, Linux, Hyper-V, VMware, Active Directory
Backup & Recovery
Veeam Backup & Replication, disaster recovery planning
Automation
PowerShell, Power Automate, shell scripting, ACMP
Self-Hosted Infra
Raspberry Pi LAMP stack, Cloudflare Tunnel, WordPress
IT Support
Helpdesk, hardware diagnostics, cabling, remote support
🇧🇮🇷🇼
Burundi & Rwanda — The Foundation
Early passion for technology and problem-solving with limited resources. Learning to build creative solutions from scratch.
🇿🇦
South Africa — The Growth
IT Technician, Hands-on networking, hardware repair, and system administration in a fast-paced environment.
🇩🇪
Germany — The Mastery
CCNA certified. Microsoft 365 specialist. 10+ years of IT experience across system administration, network infrastructure, and cybersecurity. Berlin.
Explore the Portfolio
Projects, technical articles, and security guides, all documented from real hands-on IT work.