Curriculum Vitae

About me

Year of birth: 1991

System administrator with experience in maintaining 1C, Windows Server, Linux and databases.

I specialize in operating server infrastructure, incident diagnostics and automation of repetitive tasks.

Work Experience

System Administrator - 1C-KSU

September 2025 - September 2026

Supported the server environment of 1C:Enterprise 8.3: controlled server availability and resolved incidents in application and database operations.
Installed updates and patches for 1C products within the support framework.
Diagnosed 1C agent services and Windows Server processes; verified remote nodes through PowerShell and matched processes with services.
Analyzed 1C sessions and background tasks, SQL Server load, tempdb and logs; evaluated consequences of session terminations.
Investigated errors in 1C web publications: checked resource availability and Internet Information Services (IIS) configuration.
Served a fleet of approximately 250 virtual machine clusters (with 3 to 5 nodes in each cluster) as the on-call administrator
Responded to and resolved incidents arriving in the zabbix monitoring system

IT Specialist - ООО "ИТМ"

May 2025 - September 2025

Installed fixes and patches in the Oracle Database and Oracle Linux environment; identified errors and forwarded diagnostic results to developers.
Analyzed SQL sessions and query plans; performed index operations according to development team instructions, using SQL Developer and DBeaver.
Supported Oracle WebLogic applications and managed job execution through the job console: initiated and terminated jobs according to schedule.
Updated data collection terminal software; tested network connectivity using ping, tracert, mtr and TCP dumps for troubleshooting connection issues.

IT Specialist - Яндекс Команда для бизнеса

April 2023 - May 2025

Restored application and user connection functionality on 3 OS families: Windows, macOS and Linux; used TeamViewer and RustDesk.
Localized network and audio failures using WinMTR and DevTools; configured certificates, WebRTC policies, Oktell, VPN and Proxifier.
Provided access to drives through Active Directory; created user accounts and assigned licenses for Google Workspace, Zoom and Figma.
Prepared instructions for users and support; processed requests in Yandex Tracker and forwarded complex incidents to the next line.

IT Specialist - DATUM soft

August 2022 - January 2023

Diagnosed issues with geospatial software, processed requests in Jira and installed updates.
Prepared raster maps in QGIS for upload to the geoserver: transformed coordinate systems and formats, merged image fragments.
Created XML styles and configured map display on the geoserver; trained users on working with GISO GD and QGIS.
Formed data subsets using SQL and configured PostgreSQL replication.

My Projects

I am developing my own infrastructure stand and application projects:

Deployed a Proxmox VE stand with Linux/Windows virtual machines and Docker Compose services. Configured single sign-on via Authentik/OIDC for 9 applications: Nextcloud, Mailcow, Outline, Grafana, Matrix, AFFiNE, Remnawave, Vaultwarden and my own service based on KasmVNC.
Configured Nextcloud with ONLYOFFICE, Whiteboard and Talk, including coturn for STUN/TURN. Connected Ollama to Nextcloud Assistant and configured processing of background AI tasks.
Configured the Remnawave/Xray VPN infrastructure and traffic monitoring on Grafana/VictoriaMetrics. Developed a Python exporter and a Telegram bot to analyze the load by node, IP and port and compare connections with users. Migrated Grafana from SQLite to PostgreSQL while maintaining SSO accounts.
Using Codex, I developed my own web application for managing container workspaces like Kasm Workspaces. Used KasmVNC to access Linux applications via browser. Implemented Application Catalog, Session Management, Persistent User Profiles, Authentik/OIDC and Network Isolation via Xray. Stack: Python, FastAPI, PostgreSQL, Docker SDK.
I also developed my own knowledge base in Outline for installing, configuring and correcting errors of my services and a knowledge base for working in 1c-ksu

I use ChatGPT, Codex and AI agents to prepare and check code, analyze logs and configurations. I prepare technical instructions, train users and transfer complex incidents to developers with diagnostic results.

Additionally: 5 years of experience in installing SCS and configuring switches, routers and radio bridges.

My Skills

Linux [Ubuntu, Debian, Oracle, Red Hat]
Windows, Windows Server, macOS
Proxmox, HyperV
Git, GitHub
Docker, Docker compose
Grafana [VictoriaMetrics], Zabbix
Authentik, SSO, OIDC
VPN [OpenVPN, WireGuard, XRAY, VLESS, REALITY]
html, XML
C++, Python
PostgreSQL, MSSQL, Oracle Database [SQL Developer, DBeaver]

Budnikov Ruslan Avtandilovich