SRE Engineer

Details

• Kraków, Poland — hybrid model: 2 days from the office, 3 days remote

• Contract: B2B, long-term; 12+ months

About the role

We are looking for an experienced Production Support / SRE Engineer to join a global Payments IT environment supporting business-critical platforms responsible for payment execution, messaging, orchestration and investigation-related services.

This is a role for someone who enjoys working closely with production, solving complex technical issues, and improving the reliability of high-availability systems. The team operates in a mission-critical environment where platform stability, service availability and fast incident resolution are key priorities.

The role combines hands-on production support, root cause analysis, automation, monitoring, release support and continuous improvement. You will work with a broad technology stack, including Oracle databases, Linux, shell scripting, Kubernetes and monitoring tools, while collaborating with stakeholders and engineering teams across different locations.

Your responsibilities

• Provide day-to-day production support for critical application environments.

• Resolve live incidents and contribute to post-resolution problem management activities.

• Investigate major system issues and identify root causes.

• Support installation and deployment of new software releases.

• Implement locally developed solutions and automation scripts using Shell, Bash, Python or Java.

• Support testing activities related to new implementations.

• Work closely with technical and business stakeholders across a global organization.

• Review, improve and re-engineer operational processes using modern technologies.

• Contribute to service improvements, capability uplift and process automation.

• Use monitoring and analysis tools to assess system performance and architecture.

• Participate in data validation, implementation and testing activities.

• Perform data analysis to support root cause investigation and identify anomalies.

• Contribute to team objectives, sometimes supporting and sometimes leading activities.

Required skills and experience

• Fluent English, both spoken and written.

• Strong experience with SQL and PL/SQL.

• Good knowledge of Linux environments.

• Knowledge of Kubernetes.

• Strong understanding of Oracle database architecture and components.

• Experience with shell scripting or automation using at least one of: Bash, Python or Java.

• Knowledge of system monitoring and performance tuning.

• Strong analytical and troubleshooting skills.

• Experience working with frequent changes and automated CI/CD pipelines.

• Good understanding of application landscape layers: storage, operating systems, networks, databases and applications.

• Ability to communicate effectively across a global organization.

• Proven ability to triage issues under pressure and make priority decisions in real time.

• Experience in Agile, DevOps or production support environments.

Nice to have

• Experience in the payments domain.

• Experience with tools such as AppDynamics, Splunk, Puppet or Ansible.

• Additional scripting or development experience in Python or Java.