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Technical Support Specialist

IT Support / Helpdesk • Hybrid • Full-time • Serbia Belgrade, Serbia

COLIBRIX ONE is hiring a technically skilled Technical Support Specialist for its growing support team, with a strong background in Linux administration, system monitoring and hands-on troubleshooting. The role is shift-based, including a 24/7 rotation.

Responsibilities

  • ▹Provide timely technical support to internal teams and partners regarding system monitoring and service stability
  • ▹Maintain and use tools like Prometheus, Grafana, Loki and Alertmanager
  • ▹Log, analyze and categorize 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, cronjobs
  • ▹Document recurring issues and solutions in Confluence
  • ▹Work with REST APIs to integrate with third-party systems
  • ▹Participate in a 24/7 shift rotation, including nights and weekends

Requirements

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

Nice to have

  • ▹Experience in FinTech, acquiring or payment systems
  • ▹Familiarity with Docker, CI/CD or centralized logging systems (e.g. ELK, Jaeger)
  • ▹Hands-on contributions to automation or monitoring in production environments
  • ▹Experience with Telegram, Slack or Jira bots

Soft skills

Attention to detailExcellent communication skillsExplaining complex technical concepts in simple terms

What we offer

  • ▹Opportunity to shape the future of fintech solutions within a growing company
  • ▹Collaborative, horizontal team structure that values your expertise and ideas
  • ▹Continuous learning and development opportunities
  • ▹Competitive salary and benefits package
  • ▹Flexible work arrangements to support work-life balance

About the company

COLIBRIX ONE builds advanced, AI-powered payment technologies for Payment Service Providers, Electronic Money Institutions and neobanks across the EU and the UK. It is a fully licensed Electronic Money Institution and a principal member of VISA and Mastercard, offering global card processing, digital wallet infrastructure, cross-border merchant accounts, alternative payment methods and corporate accounts for legal entities.

Languages: Angol: kiváló szóbeli és írásbeli, Orosz: kiváló szóbeli és írásbeli

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