Site Reliability Engineer (SRE)

ING Group; Katowice; On-site; PLN 240,000 - 320,000; Full time

Job summary

A leading financial services provider in Katowice is seeking an experienced Site Reliability Engineer focused on improving system reliability and performance. The ideal candidate will have hands-on experience with containerization tools and Linux/Unix systems, along with strong scripting skills in PowerShell. You'll lead a dynamic team, driving observability practices and ensuring optimal IT service quality. This role offers a competitive salary range of 13,000 - 25,000 PLN and the opportunity to work in a collaborative environment dedicated to sustainable practices.

Qualifications

• Experience in designing and operating highly available, scalable systems.
• Hands-on experience with containerization and observability tools.
• Ability to define and work with SLIs, SLOs, and SLAs.

Responsibilities

• Monitor and troubleshoot production systems for reliability.
• Lead and mentor a growing team across multiple locations.
• Drive observability, incident management, and root cause analysis.

Skills

Site Reliability Engineering principles

Linux/Unix

Kubernetes/OpenShift

Windows systems administration

PowerShell scripting

Monitoring and observability

Tools

ELK stack

Prometheus + Grafana

Ansible

Terraform/Pulumi

Job description

ING Hubs Poland is hiring!

The expected salary for this position: 13 000 - 25 000 PLN

The financial ranges specified in the announcement are adjusted and may differ from the range specified in the remuneration regulations.

We are looking for you if:

• You understand and apply Site Reliability Engineering principles: automation-first, reducing toil, and reliability as a feature.
• You have experience in designing and operating highly available, scalable systems.
• You have hands‑on experience with containerization (Kubernetes/OpenShift) and observability tools.
• You bring deep expertise in Linux/Unix, Tomcat, networking, and RDBMS (Oracle/MSSQL).
• You have strong proficiency in Windows systems administration, especially with ASP.NET/.NET Core apps on IIS.
• You can define and work with SLIs, SLOs, and SLAs to improve system reliability.
• You have strong skills in monitoring, observability, and incident management.
• You can script or code in PowerShell and bring a familiarity with CI/CD pipelines (Azure DevOps or similar).
• You collaborate effectively and promote a culture of reliability across teams.

You'll get extra points for

• Experience with Agile platforms and rapid scaling.
• Familiarity with ELK stack, Prometheus + Grafana, and enterprise scheduling tools (TWSd, UAC).
• Scripting in Python, automation with Ansible, and infrastructure as code (Terraform/Pulumi).
• Applying DevOps/SRE practices to front‑office banking processes.
• Demonstrating Agile Ways of Working and staying ahead of tech trends.
• Ability to lead blameless postmortems and drive continuous improvement.
• Understanding of distributed systems and microservices architecture.

Your responsibilities

• Monitor & troubleshoot production systems, proactively resolving issues and improving reliability.
• Lead and mentor a growing team across multiple locations.
• Drive observability, incident/problem management, and root cause analysis.
• Plan capacity and assess system health to ensure optimal performance.
• Manage SLAs, holding teams accountable for service quality.
• Ensure IT control compliance, supporting audits with evidence.
• Automate operations using bots and runners to streamline infrastructure tasks.
• Coordinate disaster recovery and business continuity planning.
• Generate production reports on availability, reliability, and performance.
• Occasionally respond to business service requests, such as backup restores.
• Advocate for SRE best practices and contribute to a culture of reliability and continuous improvement.

Information about the squad:

You will join the ESG Product Area within ING’s Wholesale Banking Sustainability Tribe. Our mission is to integrate environmental, social, and governance (ESG) principles into all aspects of our business and help clients transition toward sustainable practices. The team is dynamic, collaborative, and focused on delivering cutting‑edge solutions for measuring and managing emissions, client transition plans, ESG‑related data, and business intelligence. Together, we aim to maintain ING’s leadership in financing sustainable transitions.