Senior Site Reliability Engineer (f/m/x)

About the Position

Senior Site Reliability Engineer (f/m/x)

We are seeking a Senior Site Reliability Engineer to drive reliability, scalability, and operability for our customer-facing platforms. You will design and automate resilient infrastructure, evolve observability and incident response, and partner with product and platform teams to embed SRE principles-availability, latency, performance, efficiency, change management, monitoring, emergency response, and capacity planning-into day-to-day engineering. Sounds like you? We are looking forward to your CV!

Responsibilities

• Reliability by Design: Define and evolve SLOs/SLIs and error budgets for critical services; implement guardrails that balance feature velocity with reliability.
• Observability: Lead end-to-end monitoring, logging, and tracing-build actionable dashboards and alerting hygiene (noise reduction, clear ownership, self-healing runbooks).
• Production Engineering: Own incident management lifecycle (triage, escalation, comms, blameless postmortems), drive corrective actions, and track reliability risks to closure.
• Automation & Tooling: Build and maintain Infrastructure as Code (IaC), GitOps workflows, and release/rollback automation to reduce toil and change risk.
• Performance & Capacity: Conduct load testing, capacity modeling, and cost/performance tuning; forecast growth and right-size infrastructure.
• Security & Compliance: Partner with Security to embed secrets management, least-privilege, patching, and policy-as-code into the platform.
• Platform Stewardship: Improve developer experience-golden paths, paved-road templates, CI/CD guardrails, and reliable dev/test environments.
• Cross-Team Collaboration: Coach squads on SRE best practices; influence architecture for reliability (back-pressure, bulkheads, retries, circuit breakers, idempotency).
• On-Call Excellence: Participate in and mature on-call rotations; continuously improve MTTA/MTTR with automation, better runbooks, and robust failure testing.
• Continuous Improvement: Instrument reliability KPIs; run chaos experiments/game days; turn production learnings into preventative engineering.

Requirements

• 8–10+ years in SRE/Production Engineering/DevOps or equivalent software engineering roles with ownership of high-availability systems.
• Strong software engineering fundamentals (one or more: Python, Go, Java, TypeScript) and proven automation mindset.
• Deep experience with Kubernetes (or container orchestration), cloud platforms (Azure/AWS/GCP), service meshes, and networking (DNS, TLS, HTTP, gRPC).
• Proficiency with IaC (Terraform, Helm) and CI/CD (Azure DevOps, GitHub Actions, Jenkins).
• Hands-on with observability stacks (Prometheus/Grafana, Open Telemetry, ELK/Elastic, Loki, Tempo, Sentry, Datadog, Splunk, New Relic) and alert design.
• Demonstrated leadership in incident response and postmortems, translating findings into systemic fixes.
• Solid understanding of resilient architectures: horizontal scaling, sharding/partitioning, caching, queues/streams (Kafka), backpressure, and graceful degradation.
• Excellent communication and collaboration skills; ability to influence and coach across squads.
• Good English, both written and spoken; German is a plus.

We Offer

• Company pension plan, capital-building offers, free Deutschlandticket & bicycle leasing, company restaurant.
• Hybrid working: In addition to working in the office, you can also work remotely – within operational, regulatory, and legal requirements.
• Individualized work schedule models, sabbatical, subsidization of nursing & childcare costs.
• Personal budget for continuing education and development as well as health; plus, a personal budget to set up your mobile working space.

About the Company

At ING, we are colorful and diverse: different personalities with different perspectives - an international culture where we value and appreciate each other. We believe in substance over style, people instead of labels.

We are committed to creating an inclusive environment where diversity, equity, and inclusion are prioritized. As an equal opportunity employer, we do not tolerate any form of discrimination based on age, sex, sexual identity, cultural background, experience, religion, race, ethnic origin, disability, family responsibilities, sexual orientation, social origin, or any other status protected by law. If you need assistance during the application and/or interview process, please contact the recruiter for the relevant position. We will be happy to assist you to ensure a fair and accessible process. Learn more about our commitment to diversity, inclusion, and belonging.

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