System Reliability Engineer - Digital Core Platform

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The Position

System Reliability Engineer - Digital Core Platform

Location: Poland (Warsaw/Poznan), Madrit (Madrit Osiris), Canada (Mississauga)

We are seeking an experienced and systems-oriented System Reliability Engineer (SRE) to lead reliability and performance management across our SAP Digital Core Platform, including S/4HANA and other tightly integrated enterprise systems.

This role emphasizes cross-application reliability, System Performance Management, proactive system health monitoring, performance tuning, and collaborative engagement with development teams to reduce technical debt and ensure seamless and highly reliable ERP Platform and Business operations.

You will apply SRE principles to improve availability, performance, and scalability, ensuring the Digital Core runs smoothly under dynamic business demands.

Your work will directly influence system stability, user experience, and platform scalability for mission-critical business processes.

At Roche, we offer a hybrid work model that combines flexibility with in-person collaboration.

For now, we require our employees to be in our offices on average two days per week.

The specific office days may vary depending on business needs, such as workshops, conferences, town halls, team meetings, and other collaborative events.

The Opportunity

As a System Reliability Engineer, you will be instrumental in:


* ERP Platform capacity planning & system tuning: Conduct detailed capacity planning, ensuring systems scale with evolving business needs.

Perform system performance tuning and bottleneck analysis across application layers, databases, and infrastructure components.


* ERP Platform incident & operational support: Provide expert-level support for critical incidents affecting core SAP systems.

Partner with platform, infrastructure, and operations teams to maintain high system uptime and rapid issue resolution.


* Application reliability & performance tuning: Monitor and enhance the reliability, performance, and scalability of SAP systems from a cross-application perspective.

Ensure availability and continuity management at the application level across all integrated SAP landscapes.

Drive problem management through root cause identification and preventive action, minimizing system downtime.


* Collaboration with development Teams: Work closely with SAP developers and application specialists to co-design reliable, scalable, and maintainable SAP solutions.

Identify and help eliminate technical debt through architect...