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SingleStore is a cloud-native distributed SQL database company. This Support Engineer role combines technical support with deep engineering work, focusing on resolving complex database issues by investigating database internals, Linux configurations, and SQL query behavior for enterprise customers. What You'll Do • Provide email and live technical support to enterprise customers, serving as the first line of defense for complex technical issues, bug diagnosis, and critical outages • Identify and reproduce product issues, perform QA testing, and submit formal bug reports or feature requests to engineering teams • Collaborate with software developers, sales engineers, and technical account managers to coordinate on customer issues and maintain cross-team communication • Streamline support and engineering processes by authoring runbooks, creating public documentation, and improving team efficiency • Participate in on-call rotation covering weekends and holidays, available 9:00 AM–6:00 PM Portugal time What You Need • 4+ years of advanced customer-facing technical support experience • Experience with MySQL or MySQL-like databases (MariaDB, Aurora) and SQL query optimization • Strong sysadmin, QA, and testing skills including hands-on Linux experience, system I/O utilization analysis, network throughput measurement, and log file navigation • Experience with a scripting or coding language such as Python, Bash, or Go for problem-solving and code navigation • Familiarity with distributed systems, AWS, and GCP cloud platforms; understanding of how distributed applications are deployed and maintained • Strong written and verbal English communication skills with ability to explain technical concepts to diverse audiences Nice to Have • Kubernetes experience • Past QA or testing experience • Ability to analyze distributed systems for performance bottlenecks and identify single points of failure