Monitoring Service Operations Engineer (IT-DA-ASM-2025-285-GRAE)

The CERN IT Monitoring infrastructure provides monitoring services for the CERN Datacenter and the WLCG and CERN experimental communities. Our infrastructure and services process over 100 thousand log messages per second and expose over 160 million active time series and over 200 billion stored documents exposed to a community of more than 6000 active users. As a member of the Monitoring team you will participate in operating, maintaining and evolving a diverse portfolio of centrally offered monitoring solutions based on technologies such as Grafana and related products, OpenTelemetry, the Prometheus ecosystem, Apache Kafka (connectors, stream applications), Kubernetes, FluentBit, OpenSearch and Apache Spark among others.

Your responsibilities

• Operate and evolve the monitoring infrastructure, including development in Go, Python and Java.
• Support end-user requests for integration, problem solving or consulting.
• Debugging and resolving performance or availability issues on distributed systems.

More information here.

Your profile

Experience:

• Experience operating and managing Kubernetes deployments of medium to large scale;
• Experience with observability tooling such as fluent-bit, the OpenTelemetry collector, Prometheus, etc;
• Experience using gitops tooling (ArgoCD) and/or infrastructure as code solutions such as terraform.

Skills:

• Proficiency in at least one of Python, Go or Java;
• Source code management tooling and gitops, CI/CD;
• Knowledge of container based environments and orchestration solutions (Docker/Podman, Kubernetes);
• Collaborative work;
• Spoken and written English, with a commitment to learn French.

Eligibility criteria:

• You are a national of a CERN Member or Associate Member State.
• By the application deadline, you have a maximum of two years of professional experience since graduation in Computing Science or related (or a related field) and your highest educational qualification is either a Bachelor's or Master's degree.
• You have never had a CERN fellow or graduate contract before.
• Applicants without University degree are not eligible.
• Applicants with a PhD are not eligible.