STEFANDOBREANU — DevOps & Infrastructure Engineer

Building reliable, scalable infrastructure with modern DevOps practices

Scroll

About Me

Infrastructure & DevOps Engineer with experience managing enterprise-scale environments. Specialized in virtualization (KVM, Proxmox), CI/CD automation, containerization, and network infrastructure.

Managing 100+ VMs across multiple data centers and 15+ network sites with 99.9%+ uptime.

Iași, Romania|Romanian (Native) | English (Advanced)

100+

VMs Managed

200TB+

Storage

15+

Network Sites

99.9%+

Uptime

Selected work

Featured Projects

Infrastructure I've built and run — not a job history, the actual DevOps work behind it.

newroco

Enterprise Infrastructure Platform

Full-scale enterprise infrastructure spanning virtualization, storage, and networking for a UK-based organization.

›12+ KVM virtualization hosts on Dell PowerEdge servers (R440–R630)
›100+ VMs running Ubuntu Server, Windows Server, and specialized services
›200TB+ ZFS storage pools with replication and backup strategies
›10+ VLANs for network segmentation and security isolation
›Nextcloud deployment for 500+ users with clustered database

KVMDell PowerEdgeZFSSamba4 ADVLANsNextcloud

Hypen

Multi-Site Network Infrastructure

Manage 15+ UniFi sites across Romania serving healthcare, universities, offices, and data centers.

›15+ UniFi sites across Romania with 100% uptime
›500+ network devices (UDM Pro/SE, switches, APs)
›Sites include healthcare facilities, universities, offices, data centers

UniFiUDM Pro/SEProxmoxVPN

Hypen

Hospital Infrastructure

Designed and deployed complete server and network infrastructure for a healthcare facility.

›2 server racks with Proxmox virtualization cluster
›UniFi network infrastructure (250+ connected devices)
›NAS storage solutions for medical data with redundancy

ProxmoxUniFiNASVLANs

BestRecyclingAutoCat.ro

Automotive recycling platform with on-premise infrastructure and containerized deployment.

›On-premise server rack deployment and configuration
›Database server setup and optimization
›Network infrastructure and Site-to-Site VPN
›CI/CD pipeline with Docker containerization

DockerCI/CDSite-to-Site VPNPostgreSQL

TIMVO.be

Belgian SaaS platform for invoicing and time-tracking with Peppol e-invoicing integration.

›Infrastructure for invoicing and time-tracking SaaS platform
›Peppol e-invoicing integration for EU compliance (2026 regulations)

DockerCI/CDPeppolCloudflare

UniPraxis.net

Medical clinic appointment platform with admin panel and CDN-backed deployment.

›System architecture design for medical appointment platform
›Admin panel and backend infrastructure implementation
›CI/CD deployment with Cloudflare CDN

DockerCI/CDCloudflare CDNNginx

TrupaTimes.ro

Entertainment booking platform with full-stack architecture and containerized deployment.

›Full-stack architecture design for booking platform
›Containerized deployment with CI/CD automation

DockerCI/CDNginxPostgreSQL

SonikPocket (UK)

SonikPocket

Educational fintech platform serving 1000+ users — built CI/CD pipelines and containerized the mobile app infrastructure end-to-end.

›CI/CD pipelines cutting deployment time by 70%
›Containerized mobile app infrastructure
›Hybrid cloud infrastructure across Azure and OVH

DockerJenkinsGitLab CI/CDAzureOVH

dbmexpress.co.uk

DBM Express

DevOps and infrastructure management for a UK-based digital agency — deployment pipelines, hosting, and production reliability for their client-facing platform.

›End-to-end DevOps ownership: deployments, monitoring, uptime
›Production infrastructure for a client-facing web platform

DockerNginxCI/CDNode.js

Stack

Tools & Technologies

What I actually reach for day to day — no percentages, just the real stack.

Virtualization & Cloud

Proxmox VE / KVM / QEMUVMware ESXiAWSMicrosoft AzureOVH

Containers & CI/CD

DockerKubernetesPodmanJenkinsGitLab CI/CDGitHub ActionsTerraformAnsible

Networking & Systems

VLANs / VPNUniFi (UDM Pro/SE)ProCurve / OPNsense / pfSenseUbuntu / Debian / CentOSWindows Server / ADNginx / Apache / HAProxy

Monitoring & Storage

ZabbixGrafana / Prometheus / LokiZFS / FreeNAS / TrueNASiSCSI / QNAPSamba4 AD / CAS SSO / LDAPBind9 / Cloudflare DNS

Certifications & Education

◆Certifications

Docker Certification

Docker

Microsoft Azure Certification

Microsoft

Linux System Administration

Linux Professional Institute

◆Education

Bachelor's Degree

Apollonia University, Iași

2024

Technical College of Electronics and Telecommunications

Iași

2018 — 2021

Get In Touch

Interested in working together or have a question? Feel free to reach out.

[email protected]

Phone

+40 787 651 264

linkedin.com/in/dobreanu-stefan

Portfolio

stefandobreanu.ro

Location

Iași, Romania

Made with❤️and☕byDobreanu Stefan