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 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.