About Me

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.

Romanian (native)English (fluent)Italian (professional)
Leonard Chiricheș working at IT workstation

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)

Obtained

MS-102: Microsoft 365 Administrator

Expected 2025

PL-200: Power Platform Functional Consultant

Expected 2025

CompTIA Security+ SY0-601

In Progress

Cisco CCNA 200-301

Self-study

Computer Network Administrator Diploma

Link Academy, Târgu Mureş, Romania • 2020 – 2022

Windows Server Infrastructure, Active Directory, SQL, Cisco Networking, Linux, and MikroTik.