Senior Application and Operation Support Engineer

Location: Łódź, Gdańsk, Warsaw, or Tricity, Poland; hybrid work model with 25% remote work

Rate: Up to 110 PLN/h on a B2B contract

Company

Recruitment and consulting company providing project-based and permanent opportunities for clients in Poland and abroad.

What you will do

• Own production incident management, including diagnosis, resolution, root-cause analysis, and preventive actions.
• Monitor service health, detect anomalies, tune alerts, and improve observability through dashboards, logs, and monitoring coverage.
• Execute and oversee deployments through Jenkins CI/CD pipelines, troubleshoot release failures, and coordinate rollbacks.
• Maintain the stability and alignment of pre-production and production environments running on Kubernetes and Linux.
• Document runbooks, known issues, and resolution procedures while contributing to disaster recovery drills.
• Collaborate with development and platform teams to triage issues, clarify requirements, and automate recurring operational work.

Requirements

• 5+ years of experience in IT operations, L2/L3 application support, or a similar production-facing role.
• Experience owning incidents end to end, from alert handling through RCA and preventive measures.
• At least 2 years of experience with ITIL incident, problem, and change management.
• Experience working in Agile delivery environments alongside development teams.
• Advanced English communication skills for explaining technical issues to technical and non-technical stakeholders.
• Experience with Splunk, Apica, Sysdig, Prometheus, Grafana, Kubernetes, Linux CLI, Jenkins, GIT, Oracle, DB2, Spring/Hibernate, Kafka, and XML/JSON payloads.

Nice to have

• Experience with Helm deployments and IBM DataStage.
• Java/J2EE development background.
• Bash or Python scripting skills for operational automation.
• Knowledge of Ansible for configuration changes.

Culture & Benefits

• B2B cooperation agreement signed directly with the recruitment and consulting company.
• Hybrid work model with 25% remote work.
• Opportunities to work on project-based or permanent assignments for clients in Poland and abroad.