Senior Security Engineer

We are looking for Senior SIEM & Security Data Engineer to join our client in Zurich.

Contract: Initial duration until 31.12.2026

In this role, you will play a key part in building a scalable, intelligent security data ecosystem- from advanced log pipelines to automation-driven incident response.

Responsibilities:

• Design, operate, and continuously improve enterprise-grade SIEM and centralised logging systems, ensuring high availability, performance, and scalability.
• Build and maintain telemetry pipelines that handle routing, enrichment, filtering, and efficient multi-destination log delivery.
• Develop and operationalise automation workflows to accelerate incident response and eliminate repetitive tasks (SOAR)
• Create and maintain detection content, dashboards, monitoring solutions, and reporting that empowers stakeholders across the organisation.
• Integrate new data sources, ensure high data quality, and contribute to early-stage observability initiatives.
• Produce and maintain architecture documentation, runbooks, data flow diagrams, and security configurations.
• Coordinate resolution of platform-related security incidents and provide advanced (L2/L3) engineering support, including on-call participation.

Requirements:

• 5+ years building and operating enterprise SIEM platforms
• Strong experience with detection engineering, correlation rules, dashboards, and CIM-based data models
• Hands-on expertise in log pipeline design and telemetry routing (e.g. Cribl Stream or similar tools)
• Scripting & automation: Python, Bash/Shell, or JavaScript
• Experience with: Git, SQL, REST APIs, Regex
• Solid understanding of SOAR platforms and security automation
• Fluent in English (written and spoken)