Cloud Database Architect

Cloud Database Administrator Responsibilities Database Architecture Design & Optimization Design, deploy, and optimize cloud databases on Alibaba Cloud (RDS, PolarDB, Redis, MongoDB) and AWS (RDS, Aurora, ElastiCache, DynamoDB, RedShift). Select appropriate database types (Relational / NoSQL / NewSQL) and service models (managed services vs. self-built clusters) based on business requirements. Operations & Monitoring Implement high availability (HA) and disaster recovery (DR) solutions (Alibaba

Gravitas Recruitment Group - Tai Ching Cheung, Hong Kong - Full time

Salary: HKD60000 - HKD70000 每月

Cloud Database Administrator



Responsibilities

  • Database Architecture Design & Optimization

    • Design, deploy, and optimize cloud databases on Alibaba Cloud (RDS, PolarDB, Redis, MongoDB) and AWS (RDS, Aurora, ElastiCache, DynamoDB, RedShift).

    • Select appropriate database types (Relational / NoSQL / NewSQL) and service models (managed services vs. self-built clusters) based on business requirements.

  • Operations & Monitoring

    • Implement high availability (HA) and disaster recovery (DR) solutions (Alibaba Cloud cross-zone deployments, AWS Multi-AZ, cross-region replication).

    • Monitor database performance and health using cloud-native tools (CloudMonitor, CloudWatch) and third-party tools (Prometheus, Grafana).

  • Performance Tuning & Incident Resolution

    • Analyze slow queries, lock conflicts, and resource bottlenecks (CPU/IO/memory).

    • Optimize SQL statements and index designs.

    • Rapidly resolve production database incidents (replication lag, connection pool exhaustion, storage scaling).

  • Security & Compliance

    • Manage database access controls via Alibaba Cloud RAM and AWS IAM roles.

    • Perform regular upgrades and audit log analysis to comply with GDPR, MLPS, and other regulations.

  • Automation & Cost Management

    • Automate deployment and operations using Terraform, Ansible, ROS, CloudFormation.

    • Optimize cloud costs via auto-scaling, reserved instances, and storage tiering (e.g., AWS S3 Glacier).

  • Cross-Team Collaboration

    • Support development teams in database design reviews, SQL code standardization, and DevOps processes (database change management in CI/CD).




Requirements

  • Technical Skills

    • Expertise in database services of at least one major public cloud (Alibaba Cloud or AWS), with familiarity in the other.

    • Strong knowledge of MySQL, PostgreSQL, Redis and advanced SQL optimization/troubleshooting.

    • Experience with migration tools (AWS DMS, Alibaba Cloud DTS) and cross-cloud synchronization.

  • Experience

    • 5+ years of DBA experience, including 2+ years managing public cloud databases.

    • Hands-on experience with large-scale (TB-level) databases, sharding, and read/write splitting.

    • Proven track record in leading migrations, DR drills, or hybrid cloud projects.

    • Strong documentation skills (SOPs, contingency plans).

    • Excellent communication skills for cross-functional collaboration.

  • Preferred

    • Certifications: Alibaba Cloud ACP/ACE (Database) or AWS Certified Database - Specialty.

    • Bachelor's degree or higher in Computer Science, Software Engineering, or related fields.

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