Domain Manager - SaaS SRE - Freelance

Context

A leading company is seeking a Domain Manager to ensure service reliability, operational excellence, and performance compliance across environments. This role embeds Site Reliability Engineering (SRE) practices within the Agile Release Train and the product delivery lifecycle.

Missions

• Guarantee the stability, performance, and availability of services in both production and non-production environments, fostering a reliability-driven culture across delivery teams.
• Act as the gatekeeper of product evolution towards production, ensuring quality always matches customer expectations.
• Collaborate with Product, Tech, and Platform teams to maintain the right balance between innovation, velocity, and operational robustness.
• Define, monitor, and report Service Level Objectives (SLOs), Service Level Indicators (SLIs), and error budgets across environments to ensure measurable reliability per application domain.
• Ensure robust observability, monitoring, and alerting frameworks are implemented and continuously improved.
• Oversee operational readiness of each release, ensuring production stability through cross-functional coordination with Product and Tech teams.
• Veto product delivery when quality measured is not in line with customer expectations.
• Manage incident response, root cause analysis, and post-mortem reviews to ensure accountability and continuous improvement per application domain.
• Collaborate with Core Platform and Observability & FinOps teams to strengthen system resilience, optimize cost efficiency, and maintain platform performance.
• Report reliability status, risks, and improvement actions to Agile Release Managers and domain leadership to ensure alignment across Agile Release Trains (ARTs).
• Actively participate in the Agile Release Train as the voice of reliability and operations, supporting delivery cadence and quality.

Skills

Technical

• Strong expertise in Site Reliability Engineering (SRE) within SaaS or cloud-native environments.
• Deep understanding of system observability, automation, and monitoring frameworks.
• Experience defining and managing SLOs, SLIs, and error budgets in collaboration with engineering teams.
• Proficiency in DevSecOps, CI/CD pipelines, and continuous monitoring practices.

Functional

• Solid experience in incident management, post-mortem analysis, and operational readiness.
• Proven ability to coordinate reliability initiatives across Product, Tech, and Platform domains.
• Strong focus on performance metrics, root cause prevention, and operational governance.

Soft Skills

• Data-driven mindset and analytical rigor in reliability tracking.

Working Conditions

• Location: Paris
• Start date: June 1, 2026
• Remote work conditions:
  • No remote work for the first 3 months of the assignment
  • 3 days of on-site presence required thereafter