FinTech L2 Support Engineer - Linux & Monitoring (Shift)

Colibrix One; Województwo mazowieckie; On-site; PLN 70,000 - 100,000; Full time

Benefits offered by this job

Flexible work arrangements

Continuous learning opportunities

Competitive salary package

Job summary

COLIBRIX ONE in Poland is seeking a technically skilled Technical Support Specialist to join our growing L2 support team. This role fits someone with a solid Linux administration background, a focus on system reliability, and a passion for automation.

You will work in a shift-based schedule supporting IT operations in a fintech environment. You will monitor systems with Prometheus and Grafana, manage incidents in Jira Service Management, and build automation tools with Python and bots.

Qualifications

• 1+ years of experience in technical support.
• 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.
• Experience with Telegram, Slack, or Jira bots is a strong plus.
• 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).
• Attention to detail, excellent communication skills and ability to explain complex technical concepts in simple terms.

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

Skills

Linux CLI

Incident management

Python scripting

System monitoring

Communication skills

Tools

Prometheus

Grafana

Loki

Alertmanager

Jira Service Management

Confluence

Telegram bots

Slack bots

Jira bots

REST APIs

Job description

Join COLIBRIX ONE – Innovating the Future of Payments

AtCOLIBRIX ONE*, we’re building advanced, AI-powered payment technologies that support Payment Service Providers (PSPs), Electronic Money Institutions (EMIs), and neobanks across the EU and the UK. As a fully licensed Electronic Money Institution (FCA Reference No. 927920) and holder of a Financial Institution Licence issued by the MFSA, as well as a principal member of both VISA and Mastercard, we provide comprehensive, real-world financial solutions that include:

• Global card processing
• Digital wallet infrastructure
• Cross-border merchant accounts
• Alternative payment methods (APMs)
• Corporate accounts for legal entities

We’re a fast-growing team with a passion for innovation, security, and scalability. Our culture values curiosity, collaboration, and impact - and we’re looking for talented professionals who are ready to shape the future of fintech.

At COLIBRIX ONE, your work directly powers the digital economy. If you're eager to solve meaningful challenges and build with purpose, we’d love to hear from you.

About The role:

We’re looking for a technically skilled Technical Support Specialist to join our growing L2 support team. This role is ideal for someone with a solid background in Linux administration, system monitoring, and hands-on troubleshooting. The ideal candidate is passionate about system reliability, enjoys automating routine tasks, and is comfortable working in a shift-based schedule. Experience in IT operations, FinTech, or payments infrastructure is a strong advantage.

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
• 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
• Experience with Telegram, Slack, or Jira bots is a strong plus
• 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)
• Attention to detail, excellent communication skills and ability to explain complex technical concepts in simple terms

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

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 to enhance your skills and career growth
• Competitive salary and benefits package
• Flexible work arrangements to support work-life balance

* Please note that this position is offered within the COLIBRIX ONE. Employment will be under the appropriate legal entity based on the role and location.