Senior Site Reliability Engineer

Senior Site Reliability Engineer (Hybrid) Colliers Madrid, Community of Madrid, Spain Colliers is a leading diversified professional services and investment management company with operations in 68 countries. We have 22,000 enterprising people who collaborate to maximize the potential of property and real assets, accelerate the success of our clients, investors and people. We strive to build our business at a competitive pace by augmenting internal growth with smart strategic acquisitions that increase market share, expand service offerings, and extend our geographic reach. Job Description We are looking for an experienced and passionate Senior Site Reliability Engineer for our newly established Technology Hub in Madrid. This is a unique opportunity to become part of the founding team that helps shape the culture, practices, and technical direction. Working in a hybrid model (2 days on‑site), you will enjoy significant freedom to innovate and influence the future of one of the world’s largest commercial real‑estate companies. Responsibilities Define and maintain Service Level Indicators, Objectives, and Agreements across critical services in partnership with Product Owners, Engineering and Infrastructure Teams. Identify resilience gaps and lead initiatives such as redundancy improvements and scaling strategies. Automate incident response, recovery and scaling where possible. Build tooling for self‑healing infrastructure and applications, reducing manual intervention. Contribute to runbooks, playbooks and knowledge sharing for operations best practices. Build mechanisms to ensure error budgets are respected and used to drive prioritization decisions. Design, implement and evolve monitoring, logging, and tracing systems (Azure Monitor, GCP Operations Suite, Prometheus, Grafana, Datadog). Develop dashboards and alerting systems that provide actionable insights for engineers and stakeholders. Design and implement a comprehensive ChatOps strategy and ensure close integration with Teams. Collaborate with QA teams and Engineering teams to integrate performance and availability testing into CI/CD pipelines. Lead incident response and postmortems, ensuring learnings are captured and acted upon. Partner with Engineering Ops to ensure metrics and trends are tracked, reported, and tied into continuous improvement initiatives. Drive a blameless culture of reliability, focused on learning, prevention, and continuous improvement. Work closely with Software Engineering teams and Engineering Ops to embed reliability best practices in the development lifecycle. Partner with CloudOps Engineers to ensure resilient cloud architectures. Collaborate with Platforms Engineers to optimize container and Kubernetes workloads for reliability. Support Product Owners with visibility into availability, reliability trade‑offs and error budgets. Mentor engineers across the organization in incident best practices. Provide input into the global operation model for cloud management, balancing standardization with regional needs. Qualifications 5‑8+ years of professional experience in SRE, reliability engineering or production operations. Strong knowledge of GCP and Azure services, with focus on reliability, high availability, and scalability. Hands‑on experience with monitoring, logging and observability stacks (Azure Monitor, GCP Operations Suite, Prometheus, Grafana, Datadog). Deep experience with incident response, postmortems and reliability reporting. Proficiency in automation and scripting (Bash, PowerShell, Python). Familiarity with Kubernetes, containers and service mesh technologies. Agile Development experience (Scrum/Kanban), including story estimation, code reviews and pair programming. Experience working in distributed or remote teams and using tools such as Jira, GitHub, GitLab, Miro and Azure DevOps. Excellent interpersonal and communication skills, fluent in English and Spanish. Understanding of secure development practices and compliance frameworks (ISO 27001, GDPR, SOC2). Preferred Skills/Experience Experience with reliability‑focused testing (load, performance, failover). Contributions to internal development platforms or developer experience initiatives. Ability to work in a fast‑paced, growing tech environment and to foster change in larger organizations. Seniority level Associate Employment type Full‑time Job function Information Technology Industries Software Development #J-18808-Ljbffr