Senior Site Reliability Engineer, Rocket.Chat

• Strong background in software engineering with expertise in large-scale distributed systems
• Expertise in Kubernetes, including operator development, and cloud platforms (e.g., AWS, GCP, Azure, OVH)
• Proficiency in programming/scripting languages such as Go, Python, or Bash for tooling and operator development
• Deep, hands-on experience with monitoring, logging, and alerting systems (e.g., Prometheus, Grafana, Loki)
• Experience with Infrastructure as Code (IaC) tools like Terraform, Pulumi or Ansible and CI/CD pipelines using tools like ArgoCD
• Solid understanding of networking fundamentals (TCP/IP, DNS, routing) and security principles
• Familiarity with database technologies such as MongoDB or Redis
• Proactive Mindset: Anticipate and address potential issues before they impact users
• Collaboration: Work seamlessly with other teams, sharing knowledge and expertise to drive reliability
• Problem-Solving: Strong troubleshooting and analytical skills to identify the root cause of complex issues across diverse technical stacks
• Leadership: Guide and inspire team members, especially during incidents, and effectively communicate with both technical and non-technical stakeholders
• Data-Driven Decisions: Base decisions on metrics and data to drive improvements
• Passion: Genuine enthusiasm for what you do and how it contributes to our company's mission
• Dream: Proactively seek out opportunities and challenges to achieve extraordinary results. If you're someone who takes initiative and is always striving to improve, you'll fit right in
• Own: Take ownership of your work, set high standards for yourself, and be accountable for outcomes demonstrating a strong sense of responsibility and commitment. Take full responsibility for the reliability and performance of all Rocket.Chat services and infrastructure
• Trust: Recognizing the importance of trust and support and actively working towards a collaborative and inclusive workplace
• Share: Communicating openly and transparently, ensures clarity and honesty in interactions

Desirable

• Working Hours: Full Time (40h/Week)
• Contract: Contractor
• You will report to our Head Of Infrastructure and Deployment and join the Engineering team
• The Site Reliability Engineering (SRE) team is dedicated to engineering, maintaining, and continuously improving the reliability, scalability, and performance of all critical Rocket.Chat systems and services
• Our mission is to ensure an exceptional and uninterrupted experience for our users and customers, bridging the gap between development and operations to deliver value efficiently and automatically. On TheOrg you can view the complete structure of our organisation, including information about every team member, hiring managers and the size of each department
• As a Senior Site Reliability Engineer, you will play a critical role in enhancing the reliability, performance, and scalability of Rocket.Chat's entire ecosystem. You will apply software engineering principles to infrastructure and operations, proactively preventing outages, optimizing system efficiency, and ensuring that new features and services are delivered with the highest standards of stability
• Your expertise will be instrumental in delivering exceptional user experiences across our core platform, internal infrastructure, and customer-facing services
• Engineer & Operate Deployment & Platform Services: Design, develop, and maintain the Kubernetes Operators at the core of our managed hosting offerings, ensuring their reliability, scalability, and robust error handling
• Manage & Optimize Core Infrastructure: Oversee the reliability and performance of foundational infrastructure, including multiple Kubernetes clusters and critical services like ArgoCD, Traefik, and our monitoring stack
• Ensure Service Reliability & Uptime: Define, monitor, and enforce SLOs for all critical services, manage error budgets, and implement robust monitoring, alerting, and logging solutions
• Automate Operations & Reduce Toil: Develop and maintain automation frameworks for deployment, configuration, and operational tasks, building internal tools to streamline SRE workflows
• Lead Incident Management & On-Call Response: Act as a primary responder for critical alerts, lead blameless post-mortems, and continuously improve runbook documentation and disaster recovery plans
• Foster Cross-Functional Collaboration: Engage early in the product lifecycle to ensure reliability is built-in, and collaborate with Engineering, Security, and QA to integrate reliability best practices
• Implement Advanced Reliability Practices: Conduct proactive load testing, performance analysis, and chaos engineering experiments to identify system weaknesses and improve fault tolerance