production Linux environments through system administration, performance tuning, storage management, networking, and incident resolution. Maintain and optimize relational databases (PostgreSQL, MySQL, Aurora) and NoSQL platforms (DynamoDB, Redis), ensuring high availability, performance, and disaster recovery readiness. Strengthen the organization's cloud security posture through effective management of IAM, network security controls … state at scaleDatabasesHands-on experience with relational databases: PostgreSQL, MySQL, or AWS RDS/Aurora — schema management, query optimisation, replication, backups, and failoverFamiliarity with NoSQL databases: DynamoDB, Redis, or MongoDB — data modelling, performance tuning, and operational monitoringGeneralFamiliarity with CI/CD pipelines (GitHub Actions, Jenkins, or AWS CodePipeline)Experience with ...