Ростислав

Rostyslav Yaius
Service Operations Engineer | Junior DevOps / SRE

[відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | Lviv, Ukraine

Telegram: @httpjhn | LinkedIn

PROFESSIONAL EDUCATION
EXPERIENCE Lviv Polytechnic National University
Bachelor's Degree in Computer Science
Service Operations Engineer
2023 - Present | Lviv, Ukraine
TENTENS
03/2026 - Present

• Respond to and troubleshoot production incidents
SKILLS
across Linux-based services and infrastructure.
Operating Systems: Linux (administration, troubleshooting)
• Develop and maintain monitoring and alerting with
VictoriaMetrics, Prometheus, and Grafana. Containers: Docker, Docker Compose | Dockerfile creation and
optimization
• Analyze logs, metrics, and service behavior to identify
root causes and recurring incident patterns. Networking: TCP/IP, DNS, DHCP, NAT | VPN technologies
• Create and tune PromQL-based alert rules to reduce Cloud: GCP (Basic)
false positives and improve signal quality.
Version Control: Git
• Improve notification workflows and coordinate incident
resolution with engineering, infrastructure, and DBA Automation: Bash scripting
teams.
Monitoring: VictoriaMetrics, Prometheus, Grafana

Technical Engineer Databases: MariaDB, SQL
VoIPTime Web Servers: Nginx
03/2025 - 03/2026
IP Telephony: Asterisk
Lviv, Ukraine
DNS: Cloudflare - DNS management, SSL/TLS configuration, proxying
• Configured and supported VoIP systems based on
Asterisk, including SIP, dialplans, and call routing. Support & Collaboration: Jira, Confluence, HelpDesk systems | Incident
response, troubleshooting | Team communication
• Administered Linux servers and diagnosed service,
network, and application issues.
• Deployed and supported services with Docker and LANGUAGES
Docker Compose.
• Automated routine operational tasks with Bash scripts. Ukrainian: Native

• Performed network troubleshooting across TCP/IP, English: Upper-Intermediate
DNS, DHCP, NAT, and VPN technologies.
German: Advanced/Fluent
• Supported Nginx configurations and handled
SQL-related operational tasks.