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December 17, 2025

Application and IT Systems Administrator (Hybrid - Warsaw)

Mid • Hybrid

$9,000 - $13,000/mo

Warsaw, Poland

DevAbundance is partnering with a leading fintech brand to find a skilled Application and IT Systems Administrator to join their infrastructure team. This is a hybrid position (2 days remote, 3 days from the office in Warsaw) with a start date as soon as the candidate successfully completes the interview process.


Employment Contract (UoP): 9,000 - 13,000 PLN gross. 


Key Responsibilities: 


  • Manage, monitor, and maintain the core system 

  • Support the automation of operational processes using Ansible, Terraform, and scripting languages in a Linux environment

  • Create alerts and dashboards in monitoring systems (Prometheus, Grafana, Splunk) for proactive problem detection

  • Support the implementation and testing of new solutions to improve application stability

  • Participate in incident response, conduct post-mortem analyses, and implement improvements

  • Perform night and weekend on-call duties according to the schedule (remote on-call)


Candidate Profile:


  • Solid experience in application administration within a Linux environment

  • Working knowledge of a selected Linux distribution and shell tools (Bash)

  • Experience configuring and maintaining application and database servers

  • Knowledge of SQL and experience working with databases (Oracle, PostgreSQL)

  • Ability to analyze logs, resolve application issues, and optimize performance

  • Basic knowledge of containerization (Docker, Kubernetes)

  • Experience with payment systems or in the fintech sector is a plus

  • Exposure to automation tools (Ansible, Terraform) and CI/CD tools (Jenkins, GitLab) is beneficial

  • Familiarity with Cloud platforms (GCP, Azure or AWS) and monitoring systems (Prometheus, Splunk, Grafana) is highly valued


Interview Process:


  1. Phone screening: 20 minute get to know you for you to learn about the project

  2. 1st office (Warsaw) interview: 1 hour with future manager and HR specialist

  3. 2nd office (Warsaw) interview: 1 hour with infrastructure and HR leaders  


If you are a passionate Administrator eager to contribute to a secure financial platform and grow within a dynamic team, we would love to hear from you.