
Senior Consultant Specialist
- Xi'an, Shaanxi
- Contract
- Full-time
- Cassandra Database Administration:
- Design, configure, and maintain Cassandra clusters deployed in HSBC.
- Install, configure, and manage multi-node Cassandra clusters both on-premise and cloud, both public and internal
- Perform database backups, recovery, and restoration activities.
- Manage database schemas, tables, indexes, and user permissions.
- Diagnose and troubleshoot production incidents and resolve performance bottlenecks, including slow queries and resource utilization issues.
- Optimize database configurations, query performance, and data modeling for improved efficiency and scalability.
- Execute repairs in case of data inconsistency and perform JVM tuning and garbage collection optimization.
- Estimate storage requirements and collaborate with infrastructure teams to ensure adequate resources are provisioned.
- Regularly review and update security configurations to address emerging threats and vulnerabilities.
- Set up database monitoring tools to proactively identify performance issues, errors, and anomalies.
- Respond to database alerts and take appropriate actions to resolve issues.
- PostgreSQL Database Administration:
- Collaborate with teams to integrate PostgreSQL databases into the infrastructure and ensure their optimal performance.
- Perform PostgreSQL database backups, recovery, and restoration activities.
- Optimize PostgreSQL configurations and query performance for transactional workloads.
- Design and implement PostgreSQL data models and SQL scripts for transactional workloads.
- Manage PostgreSQL databases in GCP environments (preferred).
- Diagnose and troubleshoot PostgreSQL production incidents and resolve performance bottlenecks.
- Cassandra:
- 5+ years of experience in Cassandra database administration.
- Expertise in installing, configuring, and monitoring Cassandra clusters.
- Experience in creating column families, bootstrapping, decommissioning, removing, replacing, and repairing nodes.
- Proficiency in creating keyspaces, tables, and secondary indexes in Cassandra.
- Strong experience in performance tuning Apache Cassandra clusters to optimize writes and reads.
- Hands-on experience with Cassandra data modeling and CQL scripting.
- Proven ability to evaluate database performance, isolate bottlenecks, and implement optimizations in transactional settings.
- Experience in managing and monitoring 24x7 production database environments.
- PostgreSQL:
- 5+ years of experience in PostgreSQL database administration.
- Expertise in installing, configuring, and monitoring PostgreSQL databases.
- Proficiency in PostgreSQL data modeling and SQL scripting.
- Strong experience in performance tuning PostgreSQL databases to optimize writes and reads.
- Hands-on experience with PostgreSQL in GCP environments (preferred).
- Proven ability to evaluate database performance, isolate bottlenecks, and implement optimizations in transactional settings.
- Experience with Datastax Enterprise Service (DSE).
- Familiarity with cloud environments like GCP.
- Strong troubleshooting and analytical skills.