Senior Observability Platform Engineer (80-100%)

• 04 July 2026 • 80 - 100% • Indefinite duration • Zürich Senior Observability Platform Engineer (80-100%) Location: Zurich / Berne We are looking for a highly qualified and experienced Senior Observability Platform Engineer to join our team. In this role, you will be responsible for ensuring the reliability, scalability, and efficiency of our main observability infrastructure, which supports our engineering teams and customer portal. Your work will include evolving these systems and contributing to promoting best practices for observability within the organization. Key Responsibilities • * Configure, operate, and improve our observability platforms and frameworks (Clickhouse, Thanos, Loki, Tempo, OpenTelemetry Collector + custom processors). • * Continuously improve and promote the adoption of best practices for observability across the organization, ensuring complete monitoring, logging, and tracing. • * Develop and maintain automated solutions for monitoring, alerting, and incident response. • System Optimization • * Collaborate with engineering teams to understand their needs and provide robust and scalable solutions using the observability platform. • * Optimize system performance and ensure high availability through proactive monitoring and maintenance. • * Develop and implement cost optimization, capacity planning, and performance tuning strategies. • Innovation and Improvement • * Stay up-to-date with the latest industry trends, tools, and technologies to drive continuous improvement. • * Experiment and implement new tools, particularly around observability and telemetry, to enhance platform capabilities. • * Evaluate and integrate OpenTelemetry Collector when beneficial to improve telemetry data collection and analysis. • Required Skills and ExperienceEssential/Required Skills • * Observability platforms: Proven experience managing at least one of the following observability stacks: Thanos, Mimir, Cortex, Tempo, Loki, or Clickhouse; with the ability to configure, operate, and improve these systems. • * Kubernetes: In-depth understanding of Kubernetes architecture and practical experience managing resources on clusters. • * Helm: Experience writing and maintaining Helm charts, and understanding third-party charts for efficient deployment and management of Kubernetes resources. • * GitOps: Experience with continuous delivery and GitOps practices (version control, CI/CD pipelines). • * Agent-based development: Practical experience using agent-based AI workflows (e.g., GitHub Copilot, Claude Code, Cursor, or similar) to accelerate daily engineering work. • * Docker: Expertise in containerization, orchestration, and optimizing Docker workloads. • Desired Skills • * Coding experience: Knowledge of coding in Golang or a similar language. • * Open Source: Contributor to an open-source project written in Golang or a similar language. • * OpenTelemetry Collector: Knowledge of OpenTelemetry Collector or direct contribution to the project. • * AI for observability: Interest in applying AI/ML to the observability domain, such as anomaly detection on metrics and logs, automated root cause analysis, alert noise reduction, and correlation, as well as natural language queries on telemetry • Relational Skills • * Rapid learning: Ability to quickly absorb new concepts and technologies, adapting to the evolving needs of the organization. • * Communication: Excellent communication skills, with the ability to convey complex technical concepts to technical and non-technical stakeholders. • * Customer focus: High awareness of customer needs and the impact of platform operations on internal engineering teams and external users. • * Collaborative spirit: Strong ability to work collaboratively in cross-functional teams, contributing to a culture of continuous improvement and innovation. • Education and Experience • * Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience). • * More than 5 years of experience in platform engineering, site reliability engineering, or a similar role. • * Demonstrated experience managing large-scale infrastructures and observability platforms (such as Thanos, Mimir, Cortex, Tempo, Loki, Clickhouse). • * Technical expertise • * Observability platform operations • * You are excited about the prospect of managing over 20 TB of telemetry data per day, coming from a fleet of over 10,000 nodes (including Linux hosts, k8s clusters, virtual machines). • What we offer : You will be among people who believe in : PASSIONATELY taking care of our customers' security - We are dedicated to solving problems. No matter what it takes. THINKING UNCONVENTIONALLY to stay ahead - The world keeps surprising us. So let's surprise it first. Doing the hard work to make things SIMPLE - Designing and refining something that delights with its simplicity. Working COLLABORATIVELY to build success - The power of the team will always make us faster and better. In testament to this, Open Systems has been recognized as an exceptional workplace. You will be surrounded by equipo