Database Administrator

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Description

Lightrains is hiring a Database Administrator (DBA) to own the database layer behind the enterprise applications and data platforms the team builds. You will work next to the backend engineers who design the schemas and write the queries, and you will be the person who keeps those databases healthy once they reach production. This is a full-time role. What you will do Administer PostgreSQL and MySQL in production, along with the other relational databases our projects run on Monitor database health, query latency and resource usage, and act on problems before they become incidents Tune slow queries, indexes and server configuration Set up backup, recovery, replication and high availability, and check that restores actually work Manage roles, permissions and audit logging Plan and run migrations and schema changes, and support data integration workflows Troubleshoot production issues, find the root cause and fix it so it does not come back Review data models and scaling plans with backend engineers before they ship Keep runbooks, monitoring procedures and operational documentation up to date Required Skills Hands-on experience running PostgreSQL, MySQL or both in production Solid understanding of relational database architecture, query plans and SQL optimization Experience with replication, backup and recovery, and performance tuning Working knowledge of database security: user permissions, access control and encryption Comfortable on Linux and with standard database administr

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