Technical Support Specialist (L2, Linux)

About the role

COLIBRIX ONE builds AI-powered payment technologies for PSPs, EMIs and neobanks across the EU and UK, and is looking for a Technical Support Specialist to join its growing L2 support team. The role suits someone with a background in Linux administration, system monitoring and hands-on troubleshooting, who enjoys automating routine tasks and works in a shift-based schedule. Experience in IT operations, FinTech or payments infrastructure is a strong advantage.

Key responsibilities

• Provide timely technical support to internal teams and partners on system monitoring and service stability
• Maintain and use tools such as Prometheus, Grafana, Loki and Alertmanager
• Log, analyse and categorise incidents in Jira Service Management and escalate issues when needed
• Develop and maintain small automation tools (e.g. Python scripts, Telegram/Slack/Jira bots)
• Administer Linux servers: logs, access control, services and cronjobs
• Document recurring issues and solutions in Confluence
• Work with REST APIs to integrate with third-party systems
• Take part in a 24/7 shift rotation, including nights and weekends

Required profile

• 1+ years of experience in technical support
• Strong command of the Linux CLI, logs, services, file permissions and networking
• Experience with monitoring and alerting systems
• Understanding of incident and problem management (ITIL or Jira workflows)
• Excellent written and verbal communication in English and Russian
• Willingness to work in a shift-based environment, including on-call

Required skills

• Linux administration
• Monitoring and alerting tools (Prometheus, Grafana, Loki, Alertmanager)
• Basic Python scripting
• REST APIs
• Nice to have: FinTech, acquiring or payment systems experience; Docker, CI/CD or ELK/Jaeger; production automation and monitoring

What we offer

• A competitive salary and benefits package
• Flexible work arrangements
• Continuous learning and development opportunities
• A collaborative, horizontal team structure