Leonard Cătălin Chiricheș
IT Systems Specialist | SysOps | Endpoint Management | Network Security
Results-driven IT Systems Specialist with international experience in infrastructure, endpoint management, and cybersecurity across Europe (DE, LU, NL, BE). Proven record of deploying and maintaining secure hybrid environments using Microsoft Entra ID, Intune, Defender XDR, and Fortinet.

Professional Experience
IT Systems Specialist
BungalowNet Internet Services SRL
Jan 2024 – Present
Târgu Mureș / International
- Led global rollout of Microsoft Entra ID for 300+ users
- Deployed Intune compliance policies and integrated Defender XDR
- Modernized network infrastructure with Cisco and FortiGate (25% uptime increase)
- Designed Proxmox HA cluster for mission-critical VMs
- Implemented Zabbix monitoring (30% faster incident resolution)
Network Administrator
Tecnocube S.R.L.
Jul 2022 – Dec 2023
Torino, Italy
- Configured Cisco, HP, Zyxel, and Netgear switches
- Deployed Ubiquiti WiFi networks and Fortinet firewalls
- Ensured SLA compliance and rapid issue resolution
Remote Technical Support Specialist
CMS Tax Law
Aug 2017 – Sep 2018
Bacău, Romania
- Delivered remote IT support within SLA targets
Hardware & Software Repair Technician
Computer Solution Ltd.
May 2014 – Nov 2016
London, UK
- Diagnosed and repaired PC hardware
- Installed operating systems for business clients
Technical Expertise
Windows Server, AD, Linux, macOS
Entra ID, Intune, Defender XDR
Fortinet, Cisco, LAN/WAN/VPN
Proxmox HA, Hyper-V, Zabbix
PowerShell, Power Automate, Bash
Security Hardening, Compliance
Certifications & Education
Azure Fundamentals (AZ-900)
ObtainedMS-102: Microsoft 365 Administrator
Expected 2025PL-200: Power Platform Functional Consultant
Expected 2025CompTIA Security+ SY0-601
In ProgressCisco CCNA 200-301
Self-studyComputer Network Administrator Diploma
Link Academy, Târgu Mureş, Romania • 2020 – 2022
Windows Server Infrastructure, Active Directory, SQL, Cisco Networking, Linux, and MikroTik.