Curriculum Vitae

Stefan Tsvetanov

Senior Software Engineer & Systems Architect

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Work Experience

May 2022 - Present

System Administrator

Aiko XXXL Bulgaria (Aiko Multi Concept LTD) | Sofia, Sofia City, Bulgaria

Administering enterprise infrastructure comprising 900+ Linux machines, configuring Layer 1-3 networks, switches, firewalls, and hosting environments. Delivering L3 technical support, implementing cybersecurity standards (NIS2), and managing multi-tenant HIKVISION & Dahua CCTV systems alongside hardware deployment and account management.

GNU/Linux Server Admin Network Architecture Switches/Firewalls NIS2 Security Python HIKVISION/Dahua CCTV L3 Support
Apr 2019 - May 2022

Technologist

Electron Consortium JSC | Sofia, Bulgaria

Managed technical operations, hardware deployment, system testing, and network infrastructure maintenance across enterprise hardware systems.

Hardware Engineering Systems Engineering Linux Network Services Troubleshooting

Education & Qualifications

Python Web Developer

Software University (SoftUni)

2019 - Sep 2021

Comprehensive practical program covering Python fundamentals, OOP, Django Web Framework, REST APIs, PostgreSQL/SQLite, HTML5, CSS3, and web application deployment.

Engineering / Industrial Management

Technical University of Sofia

2010 - Present

Core engineering principles, industrial management, computer systems, and operations planning.

Contact Details

Location

Sofia, Bulgaria

Domain

stefantsvetanov.eu

Core Skills Summary

Backend & Systems

GNU / Linux Systems Admin (900+ Nodes) Python & Python Web Development Django Web Framework Server Administration & Hosting Environments Shell / Bash Scripting & Automation L3 Technical Support & Incident Mgmt

Architecture & Tools

Hardware Deployment & Troubleshooting Ticketing Systems & Account Mgmt High Availability & Infrastructure Reliability

DevOps & Cloud Infrastructure

Network Architecture & Layer 1-3 Protocols Switches, Firewalls & Router Config Cybersecurity & NIS2 Compliance Standards Network Services (DNS, DHCP, VPN, SSH) HIKVISION & Dahua CCTV Multi-Tenant Admin

Databases & Data Engineering

PostgreSQL & SQLite Databases Nginx & Web Server Hosting