Looking for a job

Vladimir Derzhanskii

@vladimirderzhanskii

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I build and automate reliable Linux, Windows, database, and healthcare infrastructure.

Serbia

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What I'm looking for

I'm looking for System Administrator, Infrastructure, or Junior DevOps work where I can automate operations, optimize reliable infrastructure, solve complex problems, and collaborate with distributed teams. I'm open to on-site, hybrid, or remote roles in Novi Sad or Belgrade.

I've supported healthcare IT across BaltMed Clinic, Reshenie, Netrika Healthcare, and KMIAC, keeping critical services, workstations, networks, and medical information systems running.

At BaltMed Clinic, I supported 120+ workstations and maintained Infoklinika, Active Directory, Linux and Windows systems, MikroTik VPN access, telephony, and local network infrastructure.

At Netrika Healthcare, I built and administered an internal API portal and automation services for EGISZ integrations, document-status monitoring, notifications, and Zammad ticket updates. I also supported medical organisations with CryptoPro, digital signatures, and ViPNet clients.

I've managed Oracle, PostgreSQL, and MySQL databases; virtualized environments with Proxmox and Hyper-V; and automated operations with Python, PHP, and JavaScript. I'm continuing to develop my DevOps skills in Docker, Kubernetes, Ansible, Terraform, cloud platforms, CI/CD, and monitoring.

Experience

Work history, roles, and key accomplishments

System Administrator

BaltMed Clinic

Jun 2026 - Aug 2026 (2 months)

Ensured 100% uptime for the clinic's IT infrastructure, supporting 120+ workstations. Provided end-user support, administered the Infoklinika MIS, and maintained network and security systems.

Windows Linux Active Directory Mikrotik L2TP VPN Infoklinika CryptoPro Dallas Lock LAN IP phones MFP IT Asset Management

System Administrator

Reshenie, LLC

Mar 2025 - Dec 2025 (9 months)

Administered Active Directory, Redmine, and various Linux distributions. Managed virtualization, VPN solutions, and Oracle/PostgreSQL databases, and developed automation scripts.

Active Directory Redmine Linux Windows VirtualBox Proxmox Hyper V Citrix OpenVPN Oracle PostgreSQL Python PHP CryptoPro Ariadne

Technical Support Specialist & Integration Developer

Netrika Healthcare

Aug 2021 - Mar 2025 (3 years 7 months)

Provided technical support for medical organizations and developed integration services. Created an API portal and automated workflows for EGISZ submissions and monitoring.

SQL MySQL SOAP XML Elasticsearch Postman APIs PHP HTML CSS AJAX Bootstrap Apache VipNet CryptoPro Zammad Telegram SMS

System Administrator & Web Developer

Kuzbass Medical Information and Analytical Centre

Oct 2015 - Jul 2021 (5 years 9 months)

Maintained computer equipment for the regional Ministry of Health and 120+ medical organizations. Administered Directum, implemented GLPI helpdesk, and developed web applications and monitoring tools.