Senior Payment Production Support Engineer – Linux, Kubernetes & Oracle

Empower innovative payments infrastructure by delivering world-class production support and operational excellence!

Location & Work Model
Krakow-based opportunity with hybrid work model (up to 3 days remote per week).

As a Senior Payment Production Support Engineer, you will be working for our client, a leading international financial services organization dedicated to enhancing global payment ecosystems. You will be instrumental in maintaining and optimizing mission-critical systems across a diverse technological landscape, fostering resilience, efficiency, and compliance. This role offers a path to grow your expertise within a dynamic, innovative environment.

Your main responsibilities:

• Provide comprehensive day-to-day production support for Payments IT systems, including incident resolution and problem management.
• Monitor the health of production environments, respond swiftly to incidents, and communicate updates to stakeholders.
• Operate and troubleshoot Linux environments—patching, configuration, performance tuning, capacity management, certificates, and connectivity.
• Support Oracle Database operations in collaboration with DBAs—monitoring performance, resolving locks, managing backups, and ensuring recovery readiness.
• Manage and optimize containerized workloads on Kubernetes, including deployments, scaling, cluster health, network diagnostic, and service troubleshooting.
• Automate operational tasks using Shell Scripts, Python, or Java to reduce manual effort and enhance reliability.
• Improve monitoring, alerting, and logging systems to facilitate early detection and faster diagnostics of system issues.
• Ensure production readiness for release cycles by validating deployment criteria, supporting controlled deployments, and implementing rollbacks when necessary.
• Maintain accurate documentation and runbooks for operational procedures.
• Collaborate closely with engineering, infrastructure, and security teams to strengthen resilience, compliance, and auditability.

You’re ideal for this role if you have:

• Minimum of 5 years’ experience in production support or a similar technical role, preferably within the payments or financial services sector.
• Strong proficiency in Linux administration and troubleshooting.
• Experience with SQL and PL/SQL, especially in Oracle database environments.
• Hands-on knowledge of Kubernetes and container orchestration.
• Proficiency in shell scripting (Bash, Python, Java) for automation tasks.
• Familiarity with system monitoring and logging tools such as Nagios, Grafana, Splunk, or AppDynamics.
• Sound understanding of application architecture layers including OS, storage, network, and databases.
• Excellent analytical, troubleshooting, and crisis management skills.
• Strong communication skills in English (fluent level).
• Proven ability to operate under high-pressure, high-frequency change environments with a focus on automation and CI/CD pipelines.
• Experience working in Agile/DevOps settings.

It is a strong plus if you have: (optional)

• Prior experience in payments systems.
• Knowledge of Puppet, Ansible, or other configuration management tools.
• Experience with Java or additional scripting languages.

Language Required for the role:
Fluent English (spoken and written).

Eligibility to work in:
Only candidates with an existing legal right to work in the European Union will be considered for this role.

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Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.