On - Staff Site Reliability Engineer - Berlin

Team for Career Site

Technology

In short

In the dynamic landscape of On, the tech thrives much like a spirited runner: always moving, always improving. We are building technology that continues to supercharge the growth of On, helping to ignite the human spirit through movement. We’re seeking a Staff Site Reliability Engineer to ensure our digital platforms deliver exceptional performance, reliability, and scalability to support our global customer base.

As a Staff Site Reliability Engineer (SRE) at On, you will play a pivotal role in designing, building, and maintaining our cloud infrastructure to support our e-commerce platforms, customer-facing applications, and internal systems. You will work closely with engineering teams to drive reliability, optimise performance, and implement automation, serving as a technical expert and mentor within the team.

Your mission

– System Reliability & Performance: Ensure high availability (99.99%+ uptime), scalability, and performance of On’s digital platforms through proactive optimisation and robust infrastructure design.
– Infrastructure Development: Build and maintain cloud-based infrastructure using Infrastructure-as-Code (IaC) tools.
– Automation: Develop and implement automation solutions to streamline deployments, reduce toil, and enhance monitoring.
– Incident Response: Lead incident resolution, perform root cause analyses, and implement preventive measures to minimise downtime and improve system resilience.
– Monitoring & Observability: Design and maintain monitoring, logging, and alerting systems to ensure proactive issue detection and resolution.
– Collaboration: Partner with software engineering, product, and security teams to align infrastructure with business objectives and ensure secure, scalable systems.
– Capacity Planning: Analyse and forecast infrastructure needs to support On’s growth, balancing performance and cost efficiency.
– Mentorship: Provide technical guidance and mentorship, fostering a culture of continuous learning and improvement.
– Compliance & Security: Ensure systems meet industry standards for data privacy and security.

Your story

– Extensive experience in site reliability engineering with a track record of managing complex, high-traffic systems.
– Strong expertise in cloud platforms (GCP) and container orchestration (Kubernetes, GKE).
– Proficiency in scripting and programming (e.g. in Python, Go) for automation and tooling.
– Experience with CI/CD pipelines (ArgoCD, GitHub Actions) and IaC (Terraform).
– Solid understanding of networking, load balancing, and DNS management.
– Experience with observability and monitoring for cloud native environments.
– Strong analytical skills with a proactive approach to resolving complex technical challenges.
– Excellent communication skills, with the ability to explain technical concepts to diverse stakeholders.

Nice to Have:
– Experience with e-commerce platforms or high-traffic consumer applications.
– Background in performance engineering, including load testing and capacity optimisation for peak traffic events (e.g., product launches, Black Friday).
– Experience optimising global content delivery networks (CDNs) for low-latency, high-performance user experiences (e.g., Cloudflare).
– Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).

Meet the team

You will join a skilled and dynamic team of cloud & site reliability engineers dedicated to transforming On’s technological foundation. We are crafting scalable, resilient cloud solutions to power internal operations, enhance product performance, and support On’s growth. As a key member of our team, you will shape our cloud infrastructure strategy, ensuring robust, efficient, and sustainable systems that drive innovation. Join us in Berlin, to make a lasting impact on On’s digital future!