20+ years in IT infrastructure

Infrastructure
built to last.

I design, secure and modernise complex IT environments — from on-premise servers to hybrid and cloud architectures. Virtualization, Microsoft, email, networking and critical operations.

View services Get in touch
01

Profile

I am a Senior Infrastructure Engineer with extensive experience in Windows services, virtualization, email systems and networking.

I work with organisations that need a senior engineer able to take full ownership: audit, implementation, migration, troubleshooting and continuous availability improvement. Industries served: technology, banking, manufacturing, energy and professional services.

  • Infrastructure audit and modernisation roadmap
  • Exchange, Active Directory / Azure AD and virtualization migrations
  • FortiGate perimeter hardening and network segmentation
  • Emergency response and recovery
02

Services

  1. 01

    Virtualization & server infrastructure

    VMware vSphere, Proxmox VE, Hyper-V, XenServer — design, deployment, migration, performance tuning and disaster recovery planning.

  2. 02

    Microsoft ecosystem

    Windows Server, Active Directory, Azure AD, Group Policy, DNS, DHCP, WSUS, SCCM, IIS, RDS — administration, hardening and lifecycle management.

  3. 03

    Email & collaboration

    Microsoft Exchange, Microsoft 365, Carbonio, Nextcloud — deployment, migration, security and availability.

  4. 04

    Cloud & hybrid

    Azure and AWS — migration planning, deployment, monitoring and integration with on-premise environments.

  5. 05

    Network security

    Fortinet/FortiGate, IPFire, VPN, firewall policies, segmentation, access control and perimeter hardening.

  6. 06

    Monitoring, backup & automation

    Infrastructure monitoring, incident response, performance optimisation, backup strategies, SLA support and automation (Salt, scripting).

Data center operations

“Good infrastructure is only noticed once it is missing.”

03

Stack

Virtualization

  • VMware vSphere / ESXi
  • Proxmox VE
  • Hyper-V
  • XenServer

Microsoft

  • Windows Server
  • Active Directory / Azure AD
  • Exchange / Microsoft 365
  • SCCM · WSUS · IIS · RDS

Network & security

  • FortiGate / Fortinet
  • Cisco switching · EtherChannel
  • VPN · VLAN segmentation
  • IPFire

Cloud & operations

  • Azure · AWS
  • Zabbix · Observium · Wazuh
  • Backup & disaster recovery
  • Salt · scripting
04

Experience

Senior Lead Infrastructure Engineer

Zoomies AI · Bucharest

Independent IT Consultant

claudiupopescu.ro · audits, migrations, hardening, advanced support

Senior Infrastructure Engineer

UiPath · Azure/AWS, Active Directory, Exchange, VMware, Fortinet

Senior Windows Administrator

BPM Wave International AG

Senior Windows Engineer

Caroli Foods Group

Server Analyst

SNC-Lavalin · VMware infrastructure, more than 5000 servers

System Engineer / Administrator

Power Net Consulting · Banca Românească · Rompetrol

05

Certifications

  • MCSE Windows Server 2003
  • MCSA Windows Server 2003
  • MCSE Security Windows Server 2003
  • MCTS Server Virtualization 2008 R2
  • MCTS Active Directory 2008
  • MCTS Network Infrastructure 2008
  • MCTS ISA Server 2006
  • CA Spectrum Infrastructure Manager r9.2

Education: Engineer's Degree — Computer Science / Software Engineer · Communication and Public Relations (SNSPA, University of Bucharest).

06

Testimonials

“Expertise and leadership abilities were evident from day one — consistently went above and beyond to ensure the success of the team and projects.”

Colleague, UiPath

“Broad and deep understanding of the IT market on both technical aspects and acquisition practices. A Senior Infrastructure Engineer you can always rely on.”

Andrei Chirica, Koding Technologies
07

Contact

Let's talk about your project.

Fill in the form and I will get back to you shortly. For infrastructure emergencies, please state the priority in your message.